CN109194875A - A kind of image pickup method and electronic equipment - Google Patents
A kind of image pickup method and electronic equipment Download PDFInfo
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- CN109194875A CN109194875A CN201811285085.7A CN201811285085A CN109194875A CN 109194875 A CN109194875 A CN 109194875A CN 201811285085 A CN201811285085 A CN 201811285085A CN 109194875 A CN109194875 A CN 109194875A
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000006073 displacement reaction Methods 0.000 claims abstract description 100
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- 230000000694 effects Effects 0.000 abstract description 24
- 230000006854 communication Effects 0.000 abstract description 6
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
- H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Studio Devices (AREA)
- Stereoscopic And Panoramic Photography (AREA)
Abstract
The present invention relates to field of communication technology, a kind of image pickup method and electronic equipment are provided, cause the effect of panoramic picture poor to solve the problems, such as that height difference up and down occurs for electronic equipment.This method comprises: the control telescopic camera acquires the first image in first position；When the telescopic camera is moved into the second position, the first displacement of the second position relatively described first position in the telescopic direction of the telescopic camera is determined；It controls the telescopic camera and is moved to the third place in the telescopic direction, and acquire the second image in the third place；Wherein, the third place second displacement of the relatively described second position in the telescopic direction of the telescopic camera is opposite with first direction of displacement.In this way, being compensated using the flexible of flexible camera to the displacement of electronic equipment in the vertical direction, it is possible to reduce since the shake of electronic equipment is influenced to caused by panoramic picture, the shooting effect of panoramic picture can be improved.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of image pickup methods and electronic equipment.
Background technique
With the development of electronic equipment, electronic equipment has pan-shot function.The realization of current pan-shot function
Mode is that the multiple image for acquiring electronic equipment in the process of moving splices, and is finally permeated complete complete
Scape photo.In this way, needing controlling electronic devices as far as possible to move in the horizontal direction during shooting.
However, user can inevitably move down there is a situation where handshaking when in electronic equipment generation when actually being shot
When dynamic, it is easy to cause the effect of captured obtained panoramic picture poor.
Summary of the invention
The embodiment of the present invention provides a kind of image pickup method and electronic equipment, to solve due to electronic equipment in shooting process
The problem that shake occurs and causes the effect of panoramic picture poor.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, the embodiment of the invention provides a kind of image pickup method, applied to the electronics with telescopic camera
Equipment, comprising:
It controls the telescopic camera and acquires the first image in first position；
When the telescopic camera is moved into the second position, determine the second position in the telescopic camera shooting
First displacement of the relatively described first position in the telescopic direction of head；
It controls the telescopic camera and is moved to the third place in the telescopic direction, and in the third place acquisition the
Two images；Wherein, the third place in the telescopic direction of the telescopic camera the relatively described second position second
It is displaced opposite with first direction of displacement.
Second aspect, the embodiment of the present invention also provide a kind of electronic equipment, and the electronic equipment has telescopic camera,
Include:
First acquisition module acquires the first image in first position for controlling the telescopic camera；
Determining module, for determining that the second position exists when the telescopic camera is moved into the second position
First displacement of the relatively described first position in the telescopic direction of the telescopic camera；
Second acquisition module is moved to the third place in the telescopic direction for controlling the telescopic camera,
And the second image is acquired in the third place；Wherein, the third place is opposite in the telescopic direction of the telescopic camera
The second displacement of the second position is opposite with first direction of displacement.
The third aspect, the embodiment of the present invention also provide a kind of electronic equipment, comprising: memory, processor and being stored in is deposited
On reservoir and the computer program that can run on a processor, the processor realize institute as above when executing the computer program
The step in image pickup method stated.
Fourth aspect, the embodiment of the present invention also provide a kind of readable storage medium storing program for executing, on the computer readable storage medium
Computer program is stored, the computer program realizes the step in image pickup method as described above when being executed by processor.
In the embodiment of the present invention, the telescopic camera is controlled in first position and acquires the first image；When described flexible
When formula camera is moved into the second position, determine that the second position is opposite in the telescopic direction of the telescopic camera
First displacement of the first position；It controls the telescopic camera and is moved to the third place in the telescopic direction, and
The second image is acquired in the third place；Wherein, the third place opposite institute in the telescopic direction of the telescopic camera
The second displacement for stating the second position is opposite with first direction of displacement.In this way, using the flexible of telescopic camera, to electronics
The displacement of equipment in the vertical direction compensates, it is possible to reduce since the shake of electronic equipment is to shadow caused by panoramic picture
It rings, the shooting effect of panoramic picture can be improved.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is one of the flow chart of image pickup method provided in an embodiment of the present invention；
Fig. 2 is the two of the flow chart of image pickup method provided in an embodiment of the present invention；
Fig. 2 a is one of the structure chart of electronic equipment provided in an embodiment of the present invention；
Fig. 2 b is the three of the flow chart of image pickup method provided in an embodiment of the present invention；
Fig. 3 is the two of the structure chart of electronic equipment provided in an embodiment of the present invention；
Fig. 4 is the three of the structure chart of electronic equipment provided in an embodiment of the present invention；
Fig. 5 is the structure chart of the determining module in electronic equipment provided in an embodiment of the present invention；
Fig. 6 is the structure chart of stator modules really in electronic equipment provided in an embodiment of the present invention；
Fig. 7 is the four of the structure chart of electronic equipment provided in an embodiment of the present invention；
Fig. 8 is the five of the structure chart of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It is the flow chart of image pickup method provided in an embodiment of the present invention referring to Fig. 1, Fig. 1, this method is applied to have flexible
The electronic equipment of formula camera.As shown in Figure 1, comprising the following steps:
Step 101, the control telescopic camera acquire the first image in first position.
Wherein, telescopic camera, which can be, is able to carry out flexible camera, and telescopic camera when in use can be with
Stretch out electronic equipment ontology, do not need using when can be contracted to electronic equipment ontology, flexible may be implemented to take the photograph by carrying out
As the separate and close electronic equipment ontology of head.
After first image can be telescopic camera stretching electronic equipment ontology, in the image of first position acquisition.
Step 102, when the telescopic camera is moved into the second position, determine that the second position is stretched described
First displacement of the relatively described first position in the telescopic direction of contracting formula camera.
In this step, may be there is a situation where handshaking when holding electronic equipment due to user, the position of camera
Also it can move.When telescopic camera is moved into the second position, the available second position of electronic equipment is with respect to
Displacement of one position in telescopic direction, i.e., the first displacement.
Wherein, above-mentioned telescopic direction is it is to be understood that opposing electronic device ontology movement when telescopic camera stretches
Direction.Above-mentioned first displacement specifically can be by comparing determination to the image acquired, for example, by two acquired
It opens image and carries out characteristic matching, to obtain two images in longitudinal displacement difference, exist so as to calculate telescopic camera
Height difference in telescopic direction.In the photographing panorama picture in such a way that horizontal direction is mobile, real-time monitoring electricity can also be passed through
The height change of sub- equipment in the vertical direction determines, for example, using range sensor real-time detection electronic equipment apart from ground
Height, to monitor electronic equipment height change, the height of variation i.e. first is displaced.
Step 103, the control telescopic camera are moved to the third place in the telescopic direction, and in third position
Set the second image of acquisition.
Wherein, the third place in the telescopic direction of the telescopic camera the relatively described second position second
It is displaced opposite with first direction of displacement.
In this step, due in user's shooting process camera shake, shooting effect can be impacted.Cause
This, can be flexible to compensate the displacement that shake generates by controlling telescopic camera.For example, if electronic equipment due to shake to
Upper movement first is displaced, for example, move up 0.2 centimetre, then telescopic camera can shrink to make camera to moving down
Dynamic second displacement for example, moving down 0.2 centimetre, and acquires the second image after camera contraction.
Wherein, second displacement can be equal with the value of the first displacement, in such manner, it is possible to preferably the first displacement of compensation bring
It influences, camera is made to keep vertical angle of view constant during pan-shot.
Second displacement is also possible to the value less than the first displacement.For example, the direction of the first displacement is upward, it is worth for 5mm；Second
The direction of displacement is downward, and value can be 5mm, is also possible to 4mm, according to these shift value dollying heads, can reduce by
It is influenced in the bring of shake up and down of camera.
In addition, the value of second displacement can also be the value greater than the first displacement.For example, the direction of the first displacement is upward, value
For 5mm, if detecting electronic equipment at this time, there are still upward acceleration, can control camera and move down 6mm, to mend
Repay the upward shake of camera.
After telescopic camera is moved to the third place, since the third place is closer to first position, utilization is telescopic
Camera acquires the second image, the first image that the second image and telescopic camera acquired at this time is acquired in first position it
Between difference in height it is smaller.
In the embodiment of the present invention, above-mentioned image pickup method can be applied to electronic equipment, such as: mobile phone, tablet computer
(Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant (personal
Digital assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID) or wearable
Equipment (Wearable Device) etc..
The image pickup method of the embodiment of the present invention controls the telescopic camera in first position and acquires the first image；When
When the telescopic camera is moved into the second position, determine the second position in the flexible side of the telescopic camera
First displacement of the upward relatively described first position；It controls the telescopic camera and is moved to third in the telescopic direction
Position, and the second image is acquired in the third place；Wherein, the third place is in the telescopic direction of the telescopic camera
The second displacement of the relatively described second position is opposite with first direction of displacement.Using the image pickup method of the embodiment of the present invention,
During photographing panorama picture, electronic equipment can be increased panorama and be clapped user with the shake of real-time compensation in the vertical direction
The success rate taken the photograph avoids improving the user experience the rigors of user's style of shooting.By compensation electronic equipment perpendicular
The upward shake of histogram can restore the panoramic viewing angle of panoramic picture, reduce the image cropping as caused by shake.In addition, by
Smaller in the difference of image interframe, the process of image synthesis is easier, and splicing transition is more natural, so that the effect of panoramic picture is more
It is good.
Referring to fig. 2, the main distinction of the present embodiment and above-described embodiment is, based on third image relative to the first image
Length travel amount, calculate the second position in the telescopic direction of telescopic camera relative first position first displacement.Fig. 2
It is the flow chart of image pickup method provided in an embodiment of the present invention, as shown in Figure 2, comprising the following steps:
Step 201, the control telescopic camera acquire the first image in first position.
The specific implementation of this step may refer to the associated description of step 101 in above-described embodiment.
Step 202, when the telescopic camera is moved into the second position, control the telescopic camera in institute
State second position acquisition third image.
In this step, due to external influence, electronic equipment is moved such that camera is mobile.For example, user is clapping
Inevitably can be there is a situation where handshaking when taking the photograph, electronic equipment is moved therewith hand tremor, so that telescopic camera be made to be moved
It moves to the second position.Camera acquires third image in the second position, and third image can be camera and adopt after shaking
The image of collection.
Step 203 determines length travel amount of the third image relative to the first image.
In this step, electronic equipment can determine third figure based on the content shot in third image and the first image
As the length travel amount relative to the first image.The length travel measurer body can be the reference object in third image with respect to
The length travel amount of reference object in one image, electronic equipment can be according to the image outline of the first image and third images
Image outline, which compares, determines the displacement.
Optionally, length travel amount of the determination third image relative to the first image, comprising:
The characteristic point of the first image and the characteristic point of the third image are detected respectively；
The characteristic point of characteristic point and the third image to the first image matches, and obtains matching relationship；
Based on the matching relationship, length travel amount of the third image relative to the first image is determined.
In this embodiment, electronic equipment can use feature detective operators, the strong angle point of image be calculated, to obtain figure
As the characteristic point of frame, for example, the characteristic point of image can be obtained according to the color change of image.Wherein, feature detective operators can
With with Harris angle point, Surf angle point etc..After the characteristic point for obtaining the first image and third image respectively, to the first image and
The characteristic point of third image is matched, and traditional violence matching or arest neighbors matching algorithm can be used in characteristic matching, is obtained
To matching relationship.
For example, include facial image in the first image and third image, it can will be in the first image and third image
Facial image is matched, so that it is determined that longitudinal direction of the facial image in third image relative to the facial image in the first image
Displacement.
Specifically, the first image and third image can be estimated according to the matching relationship of the first image and third image
Transformation matrices H is had an X-rayed, shown in perspective transformation matrix such as formula (1), wherein s is zoom factor, and M is camera internal reference matrix, [r1r2] table
The rotation of diagram picture, t then indicate image both horizontally and vertically, i.e., longitudinal displacement.Above-mentioned parameter is multiplied
To obtain perspective transformation matrices H.
H=sM [r1 r2 t] (1)
By image interframe homography matrix H, available third image is with respect to the first image in longitudinal displacement pixel number
Δ y utilizes the displacement Δ Y of displacement pixel number and the available image of Pixel Dimensions in vertical direction, i.e. third image phase
For the length travel amount of the first image.
Length travel amount of the third image with respect to the first image is calculated using the scheme of the embodiment, to calculate camera shooting
The displacement of head in the vertical direction, can be improved the accuracy of calculating, so as to improve the synthetic effect of panoramic picture.
Step 204 is based on the length travel amount, calculates the second position in the flexible side of the telescopic camera
First displacement of the upward relatively described first position.
In this step, according in the third image that the second position acquires and between the first image of first position acquisition
Length travel amount, calculate camera between the second position and first position first displacement.
Wherein, the numerical value of the first displacement Y can be determined according to the picture full size δ and displacement Δ Y of telescopic camera:
Y=Δ Y δ (2)
Wherein, displacement Δ Y can be third image with respect to the first image in longitudinal displacement.
Optionally, described to be based on the length travel amount, calculate the second position stretching in the telescopic camera
First displacement of the relatively described first position on contracting direction, comprising:
In the case where the length travel amount is greater than preset value, it is based on the length travel amount, calculates the second
Set the first displacement of the relatively described first position in the telescopic direction of the telescopic camera.
It in this embodiment, can be in the case where obtaining length travel amount of the third image relative to the first image
First judge whether length travel amount is greater than preset value.Wherein, preset value can be the pre-set value of electronic equipment.When longitudinal position
When shifting amount is less than preset value, indicate that third image is smaller in longitudinal deviation relative to the first image, i.e., electronic equipment shake compared with
It is small, it can ignore.When length travel amount is greater than or equal to preset value, indicate third image with respect to the first image in the inclined of longitudinal direction
Difference is larger, i.e., jitter amplitude is larger up and down for electronic equipment, and electronic equipment needs to carry out displacement benefit by the way that telescopic camera is flexible
It repays, electronic equipment calculates the displacement that telescopic camera is shaken up and down based on the length travel amount between image, i.e., and first
It moves.
In the embodiment, the image acquired in biggish situation is shaken to electronic equipment, electronic equipment is stretched by movement
Contracting formula camera carries out bit shift compensation, and the image acquired in the case where shaking lesser situation for electronic equipment then can be without
Processing, can be improved the effect of pan-shot, saves the power consumption of electronic equipment.
Step 205, the control telescopic camera are moved to the third place in the telescopic direction, and in third position
Set the second image of acquisition.
Wherein, the third place in the telescopic direction of the telescopic camera the relatively described second position second
It is displaced opposite with first direction of displacement.
The implementation of this step may refer to the description in step 103, and to avoid repeating, details are not described herein again.
Optionally, the control telescopic camera is after the third place acquires the second image, and the method is also
Include:
The first image and second image are synthesized, panoramic picture is obtained.
The embodiment can be applied to during pan-shot.Wherein, pan-shot can be the more of shooting
It opens image and synthesizes an image, the more wide image in the obtained visual field.It can be by the first image and in the embodiment
Two images carry out image synthesis, obtain panoramic picture, it is possible to further shoot multiple second images using aforesaid way, from
And the first image and multiple second images are subjected to image synthesis, since the second image is shot after correcting to camera site
Image, the effect of obtained composograph is preferable.
Wherein, the first image can be any frame image acquired during pan-shot, and electronic equipment can be based on
First image of acquisition, is adjusted the position of camera.
The embodiment can be applied in the corresponding embodiment of Fig. 1 and reach identical beneficial effect.
Optionally, the first image is the first frame figure that the telescopic camera acquires during pan-shot
The last frame image in image that picture or the telescopic camera have acquired during pan-shot.
If the first image is the first frame image that telescopic camera acquires during pan-shot, in acquisition first frame
When image, position of the available telescopic camera when acquiring the first image, i.e. first position, and real-time detection is telescopic
The change in location of camera is stretched to control telescopic camera by reference position of first position, to due to electricity
The displacement that sub- equipment is shaken and generated compensates, and keeps the position of telescopic camera and first position close, that is, guarantees to acquire
Being closely located to when the second image of the first image and acquisition, improves the effect of composograph.
If the first image is the last frame image in the image that telescopic camera has acquired during pan-shot,
Position where when then acquiring the last frame image using camera is as reference position, and the displacement according to camera shake is big
Small carry out bit shift compensation keeps the position of telescopic camera and first position close, that is, guarantees the first image of acquisition and acquisition the
It is closely located to when two images, improves the effect of composograph.
Optionally, the control telescopic camera is after the third place acquires the second image, and the method is also
Include:
In all frame images acquired during pan-shot according to the telescopic camera in addition to target image
Other images, synthesize panoramic picture, the target image with respect to the first image length travel amount greater than preset value.
The embodiment in the specific implementation, can use the whole that telescopic camera acquires during pan-shot
Image carries out image synthesis.In order to obtain better composograph, telescopic camera can be only obtained in relative first position
Displacement image for acquiring when being less than preset value, and these images are synthesized into panoramic picture.
Since target image is larger relative to the length travel amount of the first image, that is, it is greater than preset value, indicates in acquisition mesh
When logo image, the generation shake displacement of electronic equipment is larger, and therefore, electronic equipment picks target image from the image acquired
It removes, obtains other images in all frame images in addition to target image, and carry out figure using other images remaining after rejecting
As synthesis.It may include the image for acquire after bit shift compensation using mobile collapsible camera in other above-mentioned images, it can
With the target image rejected using these images substitution, so that the sequence of each frame image closes these images when according to shooting
At.
The process of above-mentioned image synthesis can specifically carry out during shooting, can also carry out after the completion of shooting.
In the case where comparing the displacement for determining telescopic camera using the image acquired, in this step, can will stretch
Contracting formula camera generate displacement it is larger when the image that acquires reject, and only obtain telescopic camera generate vertical displacement it is smaller when
The image of acquisition synthesizes panoramic picture, and the effect of composograph can be improved.
For example, telescopic camera acquires the first image in first position, since hand tremor camera is moved to second
Position simultaneously acquires the second image.Electronic equipment corrects the position of camera, and the third place after correcting camera is adopted
Collect third image；At this time since hand tremor camera is moved to the 4th position and acquires the 4th image, then electronic equipment will
Camera adjusts to the 5th position and acquires the 5th frame image.When carrying out image synthesis, due to the second position and the 4th position
First position is deviated, causes the second image and the 4th image effect poor.Third image can be replaced into the second image, by the 5th
Image replaces the 4th image, i.e., rejects the second image and the 4th image, and the first image, third image and the 5th image are synthesized
For a Zhang Quanjing image.In the specific implementation, third image and the first image can be closed after acquiring third image
At, and subsequent Image Acquisition is carried out simultaneously.
In this way, all images for carrying out image synthesis are the figures acquired when the displacement of shake up and down of electronic equipment is smaller
The effect of picture, the composograph obtained in this way is preferable.
The embodiment also can be applied in the corresponding embodiment of Fig. 1 and reach identical beneficial effect.
Optionally, during carrying out image synthesis, projective transformation correction can be carried out to image, for example, in panorama
In shooting process, since reference object is different at a distance from camera, cause the shooting effect of same reference object different.Example
Such as, it when the side in river shoots river, needs to carry out pan-shot since river is longer, be obtained after carrying out image synthesis
It is a curved river.The panoramic picture can be corrected, be rendered as the river on panoramic picture positioned at same vertical
In plane, rather than show the effect positioned at spherical surface.
Specifically, according to the image sequence of acquisition, reference picture is obtained in described image sequence, by described image sequence
In reference object in image in addition to the reference picture corrected, be in the same plane the reference object.
Wherein, reference picture can be any one frame image in first frame image either shooting process.Preferably, it can will shoot
It is located in the middle in sequence as reference picture, for example, 10 frame image sequences of shooting, it can be using the 5th frame image as with reference to figure
Picture.
After correcting to image, the splicing seams of image interframe can be estimated, according to stitching algorithms such as distance weightings to figure
As continuing to synthesize, specific connecting method may refer to the prior art.It further, can be to synthesis after being synthesized to image
Image is exposed compensation, i.e., adjusts exposure value to the panoramic picture after synthesis, to keep the brightness of entire panoramic picture uniform,
Improve the effect of panoramic picture.
The image pickup method of the embodiment of the present invention, the length travel amount based on third image relative to the first image calculate the
First displacement of two positions relative first position in the telescopic direction of telescopic camera.It can be improved telescopic camera to exist
Displacement computational accuracy in telescopic direction improves the effect of pan-shot to improve bit shift compensation precision.
For a further understanding of the embodiment of the present invention, image pickup method illustrate below in conjunction with specific embodiment
It is bright.
Wherein, four modules that image pickup method mainly passes through electronic equipment realize that stretch camera, message processing module,
Control module and panoramic picture synthesis module, the connection relationship of module may refer to Fig. 2 a.
Wherein, stretch camera, can captured in real-time image sequence, and can be controlled by driving signal flexible camera into
Row is accurately stretched and is contracted, with the variation of the visual field of real-time compensation output image.
Message processing module can calculate the mobile pixel of image difference interframe vertical direction by analyzing image sequence
Amount, and mobile amount of pixels is converted into the actual displacement of electronic equipment.
Control module can receive the displacement from message processing module output, and be converted into the driving signals such as voltage,
Drive the control camera such as stepper motor flexible, shake of the electronic equipment in vertical direction when compensating user's shooting.
Panoramic picture synthesis module for screening to compensated image sequence, and passes through projection variation, splicing seams
The composition algorithms such as estimation, exposure compensating generate panoramic picture.
As shown in Figure 2 b, image pickup method the following steps are included:
Step 1: electronic equipment opens panoramic photographing mode, obtains continuous image sequence in real time.
Step 2: utilizing feature detective operators, the strong angle point of image is calculated, to obtain the characteristic point of picture frame, then to figure
As the characteristic point of interframe is matched.
Step 3: according to the characteristic matching of image interframe as a result, the calculating of perspective the transformation matrices H, H of estimation image interframe
Shown in formula (1) in formula such as above-described embodiment.By the homography matrix H of image interframe, available image is in vertical direction
It is displaced pixel number △ y, and image can be obtained in the displacement △ Y of vertical direction according to displacement pixel number.
Step 4: comparing the size of displacement △ Y and preset threshold T.As △ Y > T, indicate electronic equipment in vertical side
To height change has occurred, step 5 is executed；As △ Y≤T, step 7 is executed.
Step 5: according to the formula (2) in above-described embodiment, pixel displacement amount △ Y being converted into flexible camera and actually should
Mobile displacement Y.
Step 6: control module will receive actual displacement amount Y, and be converted into driving signal, drive flexible camera flexible,
To compensate the displacement of camera in vertical direction, it is constant to be maintained at vertical angle of view in panorama sketch shooting, and return to step
2。
Step 7: reject the redundant image in image sequence, and according to the homography matrix obtained in step 3, to image into
Row projective transformation correction.Redundant image can be the image poor due to the larger caused effect of the displacement of camera offset.
Step 8: estimation image interframe splicing seams, merged according to stitching algorithms such as distance weightings, and to fusion after
Panoramic picture do exposure compensating, to keep brightness uniform.
Step 9: the output compensated panoramic picture in vertical angle of view.
The present invention can utmostly restore the panoramic viewing angle for the landscape that is taken, and telescopic camera can compensate user
The shake of electronic equipment when shooting reduces requirement to user's photography posture, promotes user and pans the experience taken pictures, and
And since the shake of electronic equipment is compensated by telescopic camera, the difference of image interframe reduces, the splicing seams mistake of distant view photograph
Crossing can be more naturally, shooting success rate also can be higher.
It is the structure chart of electronic equipment provided in an embodiment of the present invention referring to Fig. 3, Fig. 3, the electronic equipment has flexible
Formula camera, as shown in figure 3, electronic equipment 300 includes: the first acquisition module 301, determining module 302 and the second acquisition module
303。
First acquisition module 301 acquires the first image in first position for controlling the telescopic camera；
Determining module 302, for determining the second position when the telescopic camera is moved into the second position
The first displacement of the relatively described first position in the telescopic direction of the telescopic camera；
Second acquisition module 303 is moved to third position for controlling the telescopic camera in the telescopic direction
It sets, and acquires the second image in the third place；Wherein, the third place phase in the telescopic direction of the telescopic camera
It is opposite with first direction of displacement to the second displacement of the second position.
Optionally, as shown in figure 4, the electronic equipment further include:
First synthesis module 304 obtains panorama sketch for synthesizing to the first image and second image
Picture.
Optionally, the first image is the first frame figure that the telescopic camera acquires during pan-shot
The last frame image in image that picture or the telescopic camera have acquired during pan-shot.
Optionally, as shown in figure 5, the determining module 302 includes:
Submodule 3021 is acquired, acquires third image in the second position for controlling the telescopic camera；
Submodule 3022 is determined, for determining length travel amount of the third image relative to the first image；
Computational submodule 3023 calculates the second position and telescopic takes the photograph described for being based on the length travel amount
As head telescopic direction on the relatively described first position first displacement.
Optionally, as shown in fig. 6, the determining submodule 3022 includes:
Detection unit 30221, for detecting the characteristic point of the first image and the characteristic point of the third image respectively；
Matching unit 30222, the characteristic point progress for characteristic point and the third image to the first image
Match, obtains matching relationship；
Determination unit 30223 determines the third image relative to the first image for being based on the matching relationship
Length travel amount.
Optionally, the computational submodule 3023 is specifically used for, in the case where the length travel amount is greater than preset value,
Based on the length travel amount, the second position is calculated relatively described first in the telescopic direction of the telescopic camera
First displacement of position.
Optionally, as described in Figure 7, the electronic equipment further include:
Second synthesis module 305, all frames for being acquired during pan-shot according to the telescopic camera
Other images in image in addition to target image, synthesize panoramic picture, and the target image is vertical with respect to the first image
It is greater than preset value to displacement.
Electronic equipment 300 can be realized each process that electronic equipment is realized in above method embodiment, to avoid repeating,
Which is not described herein again.
The electronic equipment 300 of the embodiment of the present invention, using the flexible of telescopic camera, to electronic equipment in vertical direction
On displacement compensate, it is possible to reduce since the shake of electronic equipment is influenced to caused by panoramic picture, panorama can be improved
The shooting effect of image.
The hardware structural diagram of Fig. 8 a kind of electronic equipment of each embodiment to realize the present invention, the electronic equipment 800
Including but not limited to: radio frequency unit 801, audio output unit 803, input unit 804, sensor 805, is shown network module 802
Show the components such as unit 806, user input unit 807, interface unit 808, memory 809, processor 810 and power supply 811.
It will be understood by those skilled in the art that electronic devices structure shown in Fig. 8 does not constitute the restriction to electronic equipment, electronics is set
Standby may include perhaps combining certain components or different component layouts than illustrating more or fewer components.In the present invention
In embodiment, electronic equipment include but is not limited to mobile phone, tablet computer, laptop, palm PC, vehicle mobile terminals,
Wearable device and pedometer etc..
Wherein, processor 810 acquire the first image in first position for controlling the telescopic camera；When described
When telescopic camera is moved into the second position, determine the second position in the telescopic direction of the telescopic camera
First displacement of the relatively described first position；It controls the telescopic camera and is moved to third position in the telescopic direction
It sets, and acquires the second image in the third place；Wherein, the third place phase in the telescopic direction of the telescopic camera
It is opposite with first direction of displacement to the second displacement of the second position.
It, can be in this way, compensated using the flexible of telescopic camera to the displacement of electronic equipment in the vertical direction
Reduction is influenced as the shake of electronic equipment to caused by panoramic picture, and the shooting effect of panoramic picture can be improved.
Optionally, the control telescopic camera is after the third place acquires the second image, further includes: to institute
It states the first image and second image is synthesized, obtain panoramic picture.
Optionally, the first image is the first frame figure that the telescopic camera acquires during pan-shot
The last frame image in image that picture or the telescopic camera have acquired during pan-shot.
Optionally, processor 810 executes the determination second position in the telescopic direction of the telescopic camera
On the relatively described first position the first displacement, comprising: the control telescopic camera acquires third in the second position
Image；Determine length travel amount of the third image relative to the first image；Based on the length travel amount, institute is calculated
State the first displacement of the second position relatively described first position in the telescopic direction of the telescopic camera.
Optionally, processor 810 executes length travel of the determination third image relative to the first image
Amount, comprising: detect the characteristic point of the first image and the characteristic point of the third image respectively；To the spy of the first image
The characteristic point of sign point and the third image is matched, and matching relationship is obtained；Based on the matching relationship, the third is determined
Length travel amount of the image relative to the first image.
Optionally, processor 810 executes described based on the length travel amount, calculates the second position described flexible
First displacement of the relatively described first position in the telescopic direction of formula camera, comprising: be greater than in the length travel amount default
In the case where value, it is based on the length travel amount, calculates the second position in the telescopic direction of the telescopic camera
First displacement of the relatively described first position.
Optionally, processor 810 execute the control telescopic camera the third place acquire the second image it
Afterwards, further includes: in all frame images acquired during pan-shot according to the telescopic camera except target image it
Other outer images, synthesize panoramic picture, and the target image is greater than preset value with respect to the length travel amount of the first image.
It should be understood that the embodiment of the present invention in, radio frequency unit 801 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 810 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 801 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 801 can also by wireless communication system and network and other set
Standby communication.
Electronic equipment provides wireless broadband internet by network module 802 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 803 can be received by radio frequency unit 801 or network module 802 or in memory 809
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 803 can also provide and electricity
The relevant audio output of specific function that sub- equipment 800 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 803 includes loudspeaker, buzzer and receiver etc..
Input unit 804 is for receiving audio or video signal.Input unit 804 may include graphics processor
(Graphics Processing Unit, GPU) 8041 and microphone 8042, graphics processor 8041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 806.Through graphics processor 8041, treated that picture frame can be deposited
Storage is sent in memory 809 (or other storage mediums) or via radio frequency unit 801 or network module 802.Mike
Wind 8042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 801 is converted in the case where telephone calling model.
Electronic equipment 800 further includes at least one sensor 805, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 8061, and proximity sensor can close when electronic equipment 800 is moved in one's ear
Display panel 8061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify electronic equipment posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 805 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 806 is for showing information input by user or being supplied to the information of user.Display unit 806 can wrap
Display panel 8061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 8061.
User input unit 807 can be used for receiving the number or character information of input, and generate the use with electronic equipment
Family setting and the related key signals input of function control.Specifically, user input unit 807 include touch panel 8071 and
Other input equipments 8072.Touch panel 8071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 8071 or in touch panel 8071
Neighbouring operation).Touch panel 8071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 810, receiving area
It manages the order that device 810 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 8071.In addition to touch panel 8071, user input unit 807 can also include other input equipments
8072.Specifically, other input equipments 8072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 8071 can be covered on display panel 8061, when touch panel 8071 is detected at it
On or near touch operation after, send processor 810 to determine the type of touch event, be followed by subsequent processing device 810 according to touching
The type for touching event provides corresponding visual output on display panel 8061.Although in fig. 8, touch panel 8071 and display
Panel 8061 is the function that outputs and inputs of realizing electronic equipment as two independent components, but in some embodiments
In, can be integrated by touch panel 8071 and display panel 8061 and realize the function that outputs and inputs of electronic equipment, it is specific this
Place is without limitation.
Interface unit 808 is the interface that external device (ED) is connect with electronic equipment 800.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 808 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in electronic equipment 800 or can be used in 800 He of electronic equipment
Data are transmitted between external device (ED).
Memory 809 can be used for storing software program and various data.Memory 809 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 809 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 810 is the control centre of electronic equipment, utilizes each of various interfaces and the entire electronic equipment of connection
A part by running or execute the software program and/or module that are stored in memory 809, and calls and is stored in storage
Data in device 809 execute the various functions and processing data of electronic equipment, to carry out integral monitoring to electronic equipment.Place
Managing device 810 may include one or more processing units；Preferably, processor 810 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 810.
Electronic equipment 800 can also include the power supply 811 (such as battery) powered to all parts, it is preferred that power supply 811
Can be logically contiguous by power-supply management system and processor 810, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, electronic equipment 800 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of electronic equipment, including processor 810, and memory 809 is stored in
On memory 809 and the computer program that can run on the processor 810, the computer program are executed by processor 810
Each process in the above-mentioned image pickup method embodiment of Shi Shixian, and identical technical effect can be reached, to avoid repeating, here not
It repeats again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned image pickup method embodiment when being executed by processor, and can reach
Identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium is deposited Ru read-only
Reservoir (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM),
Magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that an electronic equipment (can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (16)
1. a kind of image pickup method, which is characterized in that applied to the electronic equipment with telescopic camera, comprising:
It controls the telescopic camera and acquires the first image in first position；
When the telescopic camera is moved into the second position, determine the second position in the telescopic camera
First displacement of the relatively described first position in telescopic direction；
It controls the telescopic camera and is moved to the third place in the telescopic direction, and acquire the second figure in the third place
Picture；Wherein, the second displacement of the third place relatively described second position in the telescopic direction of the telescopic camera
It is opposite with first direction of displacement.
2. the method according to claim 1, wherein the control telescopic camera is adopted in the third place
After collecting the second image, further includes:
The first image and second image are synthesized, panoramic picture is obtained.
3. according to the method described in claim 2, it is characterized in that, the first image is the telescopic camera in panorama
In the image that the first frame image or the telescopic camera acquired in shooting process has acquired during pan-shot
Last frame image.
4. the method according to claim 1, wherein the determination second position is in the telescopic camera shooting
First displacement of the relatively described first position in the telescopic direction of head, comprising:
It controls the telescopic camera and acquires third image in the second position；
Determine length travel amount of the third image relative to the first image；
Based on the length travel amount, it is relatively described in the telescopic direction of the telescopic camera to calculate the second position
First displacement of first position.
5. according to the method described in claim 4, it is characterized in that, the determination third image is relative to first figure
The length travel amount of picture, comprising:
The characteristic point of the first image and the characteristic point of the third image are detected respectively；
The characteristic point of characteristic point and the third image to the first image matches, and obtains matching relationship；
Based on the matching relationship, length travel amount of the third image relative to the first image is determined.
6. method according to claim 4 or 5, which is characterized in that it is described to be based on the length travel amount, calculate described the
First displacement of two positions relatively described first position in the telescopic direction of the telescopic camera, comprising:
In the case where the length travel amount is greater than preset value, it is based on the length travel amount, the second position is calculated and exists
First displacement of the relatively described first position in the telescopic direction of the telescopic camera.
7. according to the method described in claim 6, it is characterized in that, the control telescopic camera is adopted in the third place
After collecting the second image, further includes:
Its in all frame images acquired during pan-shot according to the telescopic camera in addition to target image
His image, synthesizes panoramic picture, the target image with respect to the first image length travel amount greater than preset value.
8. a kind of electronic equipment, which is characterized in that the electronic equipment has telescopic camera, comprising:
First acquisition module acquires the first image in first position for controlling the telescopic camera；
Determining module, for determining the second position described when the telescopic camera is moved into the second position
First displacement of the relatively described first position in the telescopic direction of telescopic camera；
Second acquisition module is moved to the third place for controlling the telescopic camera in the telescopic direction, and
The third place acquires the second image；Wherein, the third place is relatively described in the telescopic direction of the telescopic camera
The second displacement of the second position is opposite with first direction of displacement.
9. electronic equipment according to claim 8, which is characterized in that the electronic equipment further include:
First synthesis module obtains panoramic picture for synthesizing to the first image and second image.
10. electronic equipment according to claim 9, which is characterized in that the first image is the telescopic camera
The figure that the first frame image or the telescopic camera acquired during pan-shot has acquired during pan-shot
Last frame image as in.
11. electronic equipment according to claim 8, which is characterized in that the determining module includes:
Submodule is acquired, acquires third image in the second position for controlling the telescopic camera；
Submodule is determined, for determining length travel amount of the third image relative to the first image；
Computational submodule calculates the second position stretching in the telescopic camera for being based on the length travel amount
First displacement of the relatively described first position on contracting direction.
12. electronic equipment according to claim 11, which is characterized in that the determining submodule includes:
Detection unit, for detecting the characteristic point of the first image and the characteristic point of the third image respectively；
Matching unit, the characteristic point for characteristic point and the third image to the first image match, and obtain
With relationship；
Determination unit determines longitudinal position of the third image relative to the first image for being based on the matching relationship
Shifting amount.
13. electronic equipment according to claim 11 or 12, which is characterized in that the computational submodule is specifically used for,
In the case that the length travel amount is greater than preset value, it is based on the length travel amount, the second position is calculated and is stretched described
First displacement of the relatively described first position in the telescopic direction of contracting formula camera.
14. electronic equipment according to claim 13, which is characterized in that the electronic equipment further include:
Second synthesis module removes in all frame images for being acquired during pan-shot according to the telescopic camera
Other images except target image synthesize panoramic picture, length travel amount of the target image with respect to the first image
Greater than preset value.
15. a kind of electronic equipment characterized by comprising memory, processor and storage are on a memory and can be in processor
The computer program of upper operation, the processor are realized as described in any one of claim 1 to 7 when executing the computer program
Image pickup method in step.
16. a kind of computer readable storage medium, which is characterized in that store computer journey on the computer readable storage medium
Sequence, the computer program realize the step in image pickup method as described in any one of claim 1 to 7 when being executed by processor
Suddenly.
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| CN201811285085.7A CN109194875A (en) | 2018-10-31 | 2018-10-31 | A kind of image pickup method and electronic equipment |
| PCT/CN2019/112680 WO2020088317A1 (en) | 2018-10-31 | 2019-10-23 | Photographing method and electronic device |
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| CN201811285085.7A CN109194875A (en) | 2018-10-31 | 2018-10-31 | A kind of image pickup method and electronic equipment |
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