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CN103034020B - Shooting visual angle sharing means, mobile terminal and method - Google Patents

Shooting visual angle sharing means, mobile terminal and method Download PDF

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Publication number
CN103034020B
CN103034020B CN201210537000.6A CN201210537000A CN103034020B CN 103034020 B CN103034020 B CN 103034020B CN 201210537000 A CN201210537000 A CN 201210537000A CN 103034020 B CN103034020 B CN 103034020B
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Prior art keywords
luminance area
image
eyeglass
area
luminance
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CN103034020A (en
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曾元清
李金智
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Abstract

The invention discloses a kind of shooting visual angle sharing means, comprise body, view aperture, the first eyeglass and the second eyeglass, first eyeglass and the second eyeglass are built in view aperture and are parallel to each other and radial direction along view aperture is arranged, two cameras are arranged side by side and correspond to view aperture, first eyeglass and the second eyeglass correspond respectively to two cameras, and the transmissivity of described first eyeglass and reflectivity range are 30% ~ 70%, the reflectivity of described second eyeglass is more than or equal to 30%, and the angle of the inwall of described first eyeglass and described second eyeglass and described view aperture is 45 degree.Compared with prior art, shooting visual angle of the present invention sharing means, under wide dynamic scene, achieve sharing of shooting visual angle, thus to solve in prior art when photographed scene exists moving object, object is spun out or be there is situation and the slack problem of video of ghost image in the photograph of synthesis that causes due to shooting time delay.Mobile terminal and the method for image is obtained under the present invention discloses a kind of wide dynamic scene.

Description

Shooting visual angle sharing means, mobile terminal and method
Technical field
The present invention relates to wide dynamic image processing technology field, relate more specifically to a kind of mobile terminal and the method for taking visual angle sharing means and under wide dynamic scene, obtaining image.
Background technology
Along with the development of mobile terminal technology, shoot function has become the standard configuration function of various mobile terminal.The seizure that people utilize the mobile terminal carried with to carry out living scene, the picture of going on a tour etc.
But, can find that when people use mobile terminal to take under wide dynamic scene the effect of taking far can not satisfy the demands.The dynamic range of the photo-sensitive cell used due to mobile terminal is limited, cannot take into account incandescent and extremely dark region in photographed scene simultaneously, and for the photo-sensitive cell that the consideration of mobile terminal cost and volume also can not select dress dynamic range very wide.Therefore, often there is the under exposed situation of subregion overexposure and subregion in photograph captured under wide dynamic scene or video, causes that photograph is clear not or video pictures is clear not, often makes people feel more sorry.
For above problem, the solution that prior art is taked is: first utilize a camera, at same visual angle, within very short time interval, take two sheet photos continuously respectively with the different time shutter to Same Scene, synthesize a sheet photo after more necessary process being taked to two sheet photos, thus obtain a wider dynamic photograph.But, although aforesaid way ensure that two sheet photos are at same viewing angles, but due to shooting time delay, when there is mobile object in photographed scene, by causing, the scene of two sheet photo shootings is not quite identical, thus occur that in scene, object is spun out or there is the situation of ghost image when synthesizing, video pictures can be caused when capture video to occur moving object ghost image or jump etc. simultaneously, thus cause the slack problem of video.
Therefore, be necessary to provide a kind of to take visual angle sharing means and obtain the mobile terminal of wide dynamic image and method to overcome above-mentioned defect.
Summary of the invention
The object of this invention is to provide a kind of shooting visual angle sharing means, with under wide dynamic scene, use during the mobile terminal shooting with two cameras and realize sharing of shooting visual angle, thus to solve in prior art when photographed scene exists moving object, object is spun out or be there is situation and the slack problem of video of ghost image in the photograph of synthesis that causes due to shooting time delay.
Another object of the present invention is to provide a kind of mobile terminal obtaining image under wide dynamic scene, to realize taking sharing of visual angle, thus to solve in prior art when photographed scene exists moving object, object is spun out or be there is situation and the slack problem of video of ghost image in the photograph of synthesis that causes due to shooting time delay.
Another object of the present invention is to provide a kind of method obtaining image under wide dynamic scene, and in the photograph of the synthesis caused to solve in prior art when photographed scene exists moving object, due to shooting time delay, object is spun out or there is situation and the slack problem of video of ghost image.
In order to solve the problems of the technologies described above, the invention provides a kind of shooting visual angle sharing means, be applicable to the mobile terminal with two cameras, comprise a body, one view aperture, first eyeglass and the second eyeglass, described first eyeglass and described second eyeglass are built in described view aperture and are parallel to each other, described first eyeglass and described second eyeglass are arranged along the radial direction of described view aperture, two described cameras are arranged side by side and correspond to described view aperture, described first eyeglass and described second eyeglass correspond respectively to two described cameras, and the transmissivity of described first eyeglass and reflectivity range are 30% ~ 70%, the reflectivity of described second eyeglass is more than or equal to 30%, the angle of the inwall of described first eyeglass and described second eyeglass and described view aperture is 45 degree.
Compared with prior art, shooting visual angle of the present invention sharing means in use, first the mobile terminal with two cameras is positioned over the bottom of view aperture, when the light of photographed scene enters the first eyeglass by view aperture, part light penetration to camera, another part light is reflected onto the second eyeglass, again by the second eyeglass by whole light reflections of receiving to another camera, thus under wide dynamic scene, achieve sharing of two camera shooting visual angles, and then to solve in prior art when photographed scene exists moving object, because object in the photograph of synthesis that shooting time delay causes is spun out or there is situation and the slack problem of video of ghost image.
Preferably, described view aperture is rectangular opening.
Preferably, transmissivity and the reflectivity of described first eyeglass are 50%, and the reflectivity of described second eyeglass is 100%.
Particularly, described shooting visual angle sharing means also comprises the light compensating lamp being arranged at described main body.
Preferably, described light compensating lamp is two, and two described light compensating lamps are distributed in the both sides of described view aperture symmetrically.
Accordingly, present invention also offers a kind of mobile terminal obtaining image under wide dynamic scene, comprise shell, be installed on the movement in described shell and be installed on described shell and be connected to the shooting visual angle sharing means of described movement, described shooting visual angle sharing means is described above.
Particularly, described movement comprises:
Analysis module, for analyzing the brightness of photographed scene to determine the first time shutter and the second time shutter;
Taking module, obtains the first image for taking described photographed scene by described shooting visual angle sharing means with described first time shutter, and taking described photographed scene with described second time shutter obtains the second image simultaneously; This taking module is two cameras;
Definition module, the region being less than first threshold for defining brightness in described first image is the first luminance area, remaining area is the second luminance area, and in described second image of corresponding definition, the region corresponding with described first luminance area is the 3rd luminance area, the region corresponding with described second luminance area be the 4th luminance area; And the region being greater than Second Threshold for defining brightness in described second image be the 5th luminance area, remaining area is the 6th luminance area, in described first image of corresponding definition, the region corresponding with described 5th luminance area is the 7th luminance area, the region corresponding with described 6th luminance area be the 8th luminance area;
Judge module, for judging whether the area of described second luminance area is greater than the area of described 6th luminance area; And
Synthesis module, obtain the 3rd image for described second luminance area and described 3rd luminance area being synthesized when the judged result of described judge module is for being, otherwise then described 6th luminance area and described 7th luminance area are synthesized and obtain described 3rd image.
Accordingly, present invention also offers a kind of method obtaining image under wide dynamic scene, described method is applicable to the above mobile terminal with the wide dynamic image of quick obtaining and comprises the following steps:
(1) brightness of photographed scene is analyzed to determine the first time shutter and the second time shutter;
(2) take described photographed scene with described first time shutter and obtain the first image, taking described photographed scene with described second time shutter obtains the second image simultaneously, and described first image is identical with the shooting visual angle of described second image;
(3) define that the region that brightness in described first image is less than first threshold is the first luminance area, remaining area is the second luminance area, in described second image of corresponding definition, the region corresponding with described first luminance area is the 3rd luminance area, the region corresponding with described second luminance area be the 4th luminance area; And defining that the region that brightness in described second image is greater than Second Threshold is the 5th luminance area, remaining area is the 6th luminance area, in described first image of corresponding definition, the region corresponding with described 5th luminance area is the 7th luminance area, the region corresponding with described 6th luminance area be the 8th luminance area;
(4) judge whether the area of described second luminance area is greater than the area of described 6th luminance area;
(5) if so, then described second luminance area and described 3rd luminance area are synthesized and obtain the 3rd image, otherwise, then described 6th luminance area and described 7th luminance area are synthesized and obtain described 3rd image.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is an example structure schematic diagram of shooting visual angle of the present invention sharing means.
Fig. 2 is the sectional view of the visual angle of shooting shown in Fig. 1 sharing means.
Fig. 3 is the example structure figure obtaining the mobile terminal of image under wide dynamic scene of the present invention.
Fig. 4 is the structured flowchart of movement shown in Fig. 3.
Fig. 5 is the embodiment process flow diagram obtaining the method for image under wide dynamic scene of the present invention.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, element numbers similar in accompanying drawing represents similar element.
It should be noted that image of the present invention comprises photograph and video.
See figures.1.and.2, the present invention takes visual angle sharing means 10, comprises body 101, view aperture 102, first eyeglass 105 and second eyeglass 106, described view aperture 102 is arranged on described body 101, described first eyeglass 105 and described second eyeglass 106 are built in described view aperture 102 and are parallel to each other, described first eyeglass 105 and described second eyeglass 106 are arranged along the radial direction of described view aperture 102, the taking module 302 of movement 30 shown in camera 103 and camera 104(and Fig. 3 and Fig. 4) be arranged side by side and correspond to described view aperture 102, described first eyeglass 105 corresponds to described camera 103, described second eyeglass 106 corresponds to described camera 104, and the transmissivity of described first eyeglass 105 and reflectivity range are 30% ~ 70%, the reflectivity of described second eyeglass 106 is more than or equal to 30%.When light enters described first eyeglass 105 by described view aperture 102 by partial penetration to camera 103 and part is reflected onto described second eyeglass 106, described 106, second eyeglass by whole light reflections of receiving to camera 104.
Wherein it should be noted that through described first eyeglass 105 reflect light will all receive by described second eyeglass 106.
Particularly, described view aperture 102 is rectangular opening.
Particularly, described first eyeglass 105 is 45 degree of angles with the inwall of described view aperture 102, and described second eyeglass 106 is 45 degree of angles with the inwall of described view aperture 102.It should be noted that 45 degree of angles are conducive to ensureing viewfinder range and avoiding the reflection ray of described first eyeglass 105 to lose via described view aperture 102.
Particularly, transmissivity and the reflectivity of described first eyeglass 105 are 50%, and the reflectivity of described second eyeglass 106 is 100%.It will be apparent to those skilled in the art that the light entered from described view aperture 102 cannot penetrate described second eyeglass 106 to described camera 104, thus further ensure the consistent of described camera 103 and described camera 104 shooting angle.
Particularly, described shooting visual angle sharing means 10 also comprises and is arranged at described body 101 and the light compensating lamp 107 be positioned at around described view aperture 102.It should be noted that described light compensating lamp 107 will provide exposure compensating owing to will all be weakened through the light of the first eyeglass 105 and the second eyeglass 106, to guarantee the effect of taking further.
Preferably, described light compensating lamp 107 is two and is symmetricly set in described view aperture 102 both sides.It should be noted that described view aperture 102 symmetria bilateralis arrange two described light compensating lamps 107 will make exposure compensating evenly, thus better improve shooting effect.
See figures.1.and.2 and describe above, the principle of work that the present invention takes visual angle sharing means 10 is as follows:
When the light of photographed scene enters the first eyeglass 105 by view aperture 102, partial penetration is to camera 103 and part is reflected onto the second eyeglass 106, again by the second eyeglass 106 by whole light reflections of receiving to camera 104, thus under wide dynamic scene, achieve sharing of two cameras shooting visual angles, and then to solve in prior art when photographed scene exists moving object, object is spun out or be there is situation and the slack problem of video of ghost image in the photograph of synthesis that causes due to shooting time delay.
Correspondingly, with reference to Fig. 3 and Fig. 4, the mobile terminal 100 obtaining image under wide dynamic scene of the present invention comprises shell 20, is installed on the movement 30 in described shell 20 and is connected with described movement 30 and is installed on the shooting visual angle sharing means 10 as depicted in figs. 1 and 2 on described shell 20, and wherein said movement 30 comprises:
Analysis module 301, for analyzing the brightness of photographed scene to determine the first time shutter and the second time shutter;
Taking module 302, obtains the first image for taking described photographed scene by described shooting visual angle sharing means 10 with described first time shutter, and taking described photographed scene with described second time shutter obtains the second image simultaneously; Described taking module 302 is two cameras;
Definition module 303, the region being less than first threshold for defining brightness in described first image is the first luminance area, remaining area is the second luminance area, and in described second image of corresponding definition, the region corresponding with described first luminance area is the 3rd luminance area, the region corresponding with described second luminance area be the 4th luminance area; And the region being greater than Second Threshold for defining brightness in described second image be the 5th luminance area, remaining area is the 6th luminance area, in described first image of corresponding definition, the region corresponding with described 5th luminance area is the 7th luminance area, the region corresponding with described 6th luminance area be the 8th luminance area;
Judge module 304, for judging whether the area of described second luminance area is greater than the area of described 6th luminance area;
Synthesis module 305, obtain the 3rd image for described second luminance area and described 3rd luminance area being synthesized when the judged result of described judge module 304 is for being, otherwise then described 6th luminance area and described 7th luminance area are synthesized and obtain described 3rd image.
Correspondingly, then please refer to Fig. 5, the present invention obtains the method for image under wide dynamic scene, and it is applicable to mobile terminal 100 as shown in Figure 3, and described method comprises the steps:
Step S101, analyzes the brightness of photographed scene to determine the first time shutter and the second time shutter;
Step S102, take described photographed scene by shooting visual angle sharing means 10 with described first time shutter and obtain the first image, taking described photographed scene with described second time shutter obtains the second image simultaneously;
Step S103, define that the region that brightness in described first image is less than first threshold is the first luminance area, remaining area is the second luminance area, in described second image of corresponding definition, the region corresponding with described first luminance area is the 3rd luminance area, the region corresponding with described second luminance area be the 4th luminance area; And the region being greater than Second Threshold for defining brightness in described second image be the 5th luminance area, remaining area is the 6th luminance area, in described first image of corresponding definition, the region corresponding with described 5th luminance area is the 7th luminance area, the region corresponding with described 6th luminance area be the 8th luminance area;
Step S104, judges whether the area of described second luminance area is greater than the area of described 6th luminance area, if so, then performs step S105, otherwise, then perform step S106;
Step S105, synthesizes described second luminance area and described 3rd luminance area and obtains the 3rd image;
Step S106, synthesizes described 6th luminance area and described 7th luminance area and obtains described 3rd image.
According to Fig. 3, Fig. 4, Fig. 5 and above description can be found out, the present invention first analyzes the brightness of photographed scene to determine the first time shutter and the second time shutter by analysis module 301, the first image is obtained by taking module 302 with the first time shutter shooting photographed scene again under the help of described shooting visual angle sharing means 10, obtain the second image with the second time shutter shooting photographed scene simultaneously, defining by definition module 303 region that brightness in first image is less than first threshold is again the first luminance area, remaining area is the second luminance area, in corresponding definition second image, the region corresponding with the first luminance area is the 3rd luminance area, the region corresponding with the second luminance area is the 4th luminance area, and the region that in definition the second image, brightness is greater than Second Threshold is the 5th luminance area, remaining area is the 6th luminance area, in corresponding definition first image, the region corresponding with the 5th luminance area is the 7th luminance area, the region corresponding with the 6th luminance area is the 8th luminance area, judge whether the area of the second luminance area is greater than the area of the 6th luminance area by judge module 304 again, finally obtain the 3rd image by synthesis module 305 according to the judged result synthesis of judge module 304, namely realizing under the prerequisite shared at shooting visual angle, to solve in prior art when photographed scene exists moving object, because object in the photograph of synthesis that shooting time delay causes is spun out or there is situation and the slack problem of video of ghost image.
More than in conjunction with most preferred embodiment, invention has been described, but the present invention is not limited to the embodiment of above announcement, and should contain various carry out according to essence of the present invention amendment, equivalent combinations.

Claims (2)

1. under wide dynamic scene, obtain a mobile terminal for image, comprise shell and the movement that is installed in described shell and two cameras, it is characterized in that, also comprise and be installed on described shell and the shooting visual angle sharing means being connected to described movement;
Described shooting visual angle sharing means comprises a body, one view aperture, first eyeglass and the second eyeglass, described view aperture is arranged on described body, described first eyeglass and described second eyeglass are built in described view aperture and are parallel to each other, described first eyeglass and described second eyeglass are arranged along the radial direction of described view aperture, two described cameras are arranged side by side and correspond to described view aperture, described first eyeglass and described second eyeglass correspond respectively to two described cameras, and the transmissivity of described first eyeglass and reflectivity range are 30% ~ 70%, the reflectivity of described second eyeglass is more than or equal to 30%, the angle of the inwall of described first eyeglass and described second eyeglass and described view aperture is 45 degree,
Described movement comprises:
Analysis module, for analyzing the brightness of photographed scene to determine the first time shutter and the second time shutter;
Taking module, obtains the first image for taking described photographed scene by described shooting visual angle sharing means with described first time shutter, and taking described photographed scene with described second time shutter obtains the second image simultaneously;
Definition module, the region being less than first threshold for defining brightness in described first image is the first luminance area, remaining area is the second luminance area, and in described second image of corresponding definition, the region corresponding with described first luminance area is the 3rd luminance area, the region corresponding with described second luminance area be the 4th luminance area; And the region being greater than Second Threshold for defining brightness in described second image be the 5th luminance area, remaining area is the 6th luminance area, in described first image of corresponding definition, the region corresponding with described 5th luminance area is the 7th luminance area, the region corresponding with described 6th luminance area be the 8th luminance area;
Judge module, for judging whether the area of described second luminance area is greater than the area of described 6th luminance area; And
Synthesis module, obtain the 3rd image for described second luminance area and described 3rd luminance area being synthesized when the judged result of described judge module is for being, otherwise then described 6th luminance area and described 7th luminance area are synthesized and obtain described 3rd image.
2. under wide dynamic scene, obtain a method for image, it is characterized in that, comprise the following steps:
(1) brightness of photographed scene is analyzed to determine the first time shutter and the second time shutter;
(2) take described photographed scene with described first time shutter and obtain the first image, taking described photographed scene with described second time shutter obtains the second image simultaneously, and described first image is identical with the shooting visual angle of described second image;
(3) define that the region that brightness in described first image is less than first threshold is the first luminance area, remaining area is the second luminance area, in described second image of corresponding definition, the region corresponding with described first luminance area is the 3rd luminance area, the region corresponding with described second luminance area be the 4th luminance area; And defining that the region that brightness in described second image is greater than Second Threshold is the 5th luminance area, remaining area is the 6th luminance area, in described first image of corresponding definition, the region corresponding with described 5th luminance area is the 7th luminance area, the region corresponding with described 6th luminance area be the 8th luminance area;
(4) judge whether the area of described second luminance area is greater than the area of described 6th luminance area;
(5) if so, then described second luminance area and described 3rd luminance area are synthesized and obtain the 3rd image, otherwise, then described 6th luminance area and described 7th luminance area are synthesized and obtain described 3rd image.
CN201210537000.6A 2012-12-12 2012-12-12 Shooting visual angle sharing means, mobile terminal and method Active CN103034020B (en)

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KR102446442B1 (en) * 2015-11-24 2022-09-23 삼성전자주식회사 Digital photographing apparatus and the operating method for the same
CN107623806B (en) * 2017-08-02 2020-04-14 中控智慧科技股份有限公司 Image processing method and related product

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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18

Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd.

Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18

Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd.