CN102819398A - Method for slidingly controlling camera via touch screen device - Google Patents
Method for slidingly controlling camera via touch screen device Download PDFInfo
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- CN102819398A CN102819398A CN2012102800055A CN201210280005A CN102819398A CN 102819398 A CN102819398 A CN 102819398A CN 2012102800055 A CN2012102800055 A CN 2012102800055A CN 201210280005 A CN201210280005 A CN 201210280005A CN 102819398 A CN102819398 A CN 102819398A
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- touch screen
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Abstract
The invention relates to a method for slidingly controlling a camera via a touch screen device. The method is applied to a communication link system of the touch screen device and a camera with a rotatable lens, and includes the steps that video information of the camera is acquired by the touch screen device through a communication network and is displayed on a touch screen; a user slides a finger or touches the touch screen displaying the video information of the camera to identify operating equipment, and start position information and end position information of the sliding on the touch screen device are acquired; the touch screen device judges the sliding direction according to the start position information and the end position information so as to identify a control command from the user for rotating the lens of the camera; the touch screen device transmits a control command to the camera according to the control command from the user for rotating the lens of the camera, and then rotation control to the camera is finished. The method for slidingly controlling the camera via the touch screen device is simple, convenient, space saving on the screen, and has high practical value particularly on the touch screen device with valuable screen space.
Description
Technical field
The invention belongs to the control technology field of video camera, relate to a kind of on touch panel device the method for Sliding Control video camera.
Background technology
The control of existing video camera generally is that video camera is connected with computing machine is wired or wireless; In computing machine, be provided with the video monitor assembly; Can show the video information of camera surveillance through this assembly, and can come the rotatable video camera of controls lens to carry out the rotation of respective direction through click through this assembly; Can directly in the video monitor assembly, set its rotational trajectory for 360 ° of rotatable ball machines.Draw from above; Manual control in the control of existing video camera needs by means of computing machine, and the control of video camera sense of rotation is carried out in the corresponding button or the position of must be on the picture of the video monitor assembly of computing machine clicking the video monitor assembly according to the program that sets.
It is more and more to adopt touch-screen to carry out the equipment of man-machine interaction in recent years, for example uses the mobile phone, panel computer, MID, MP4, MP3 of operating systems such as Android or iOS etc.All be equipped with hardware platform and had the general-purpose operating system no matter these touch panel devices are capacitive touch screen or electric resistance touch screen, but and all support or the recognizing touch operation action, realize the different operation purpose through on touch-screen, carrying out different touches.These equipment use dummy keyboard (on-screen keyboard) to replace physical keyboard to enlarge display area mostly; Because screen display area enlarges; Application program can show more, bigger interactive component; People need not through physical keyboard like this, but just can use finger or corresponding touch-screen identification equipment such as resistance pen, capacitance pen etc. directly and these component interactions, for example click the button that shows on the screen.Moreover, also produced some new component interaction modes, for example: slide, drag, long by etc., we use gesture and describe it at this.The iPhone4 mobile phone of Apple for example, its mobile phone release and shutdown interface, employing be the other end of slip program interaction assembly to the place container, accomplish command action.So can be through sliding directly control cam lens rotation? This is along with development of science and technology, the problem that video camera control field need solve.
Summary of the invention
The purpose of this invention is to provide a kind of on touch panel device the method for Sliding Control video camera, to realize the controlling problem of cam lens rotation with sliding.
Be to realize that above-mentioned purpose, the method at Sliding Control video camera on the touch panel device of the present invention are applied in touch panel device and the system that the rotatable video camera communication of camera lens is connected, step is following:
(1) touch panel device obtains the video information of video camera through communication network, and on touch-screen, shows;
(2) but on the touch-screen of the video information that shows video camera slip finger or touch-screen identifying operation equipment, touch panel device obtains the initial position and the end position information of slip;
(3) touch panel device is judged glide direction according to initial position that slides and end position information, discerns the control command of user to the camera lens rotation;
(4) touch panel device according to the user to the control command of camera lens rotation to the video camera transmitting control commands, accomplish control to the camera lens rotation.
Further, said step (3) touch panel device is according to the initial position that slides and the side-play amount of end position information calculations horizontal direction and vertical direction, when the side-play amount of horizontal direction during greater than the side-play amount of vertical direction, is the control command of horizontal direction; When the side-play amount of horizontal direction during, be the control command of vertical direction less than the side-play amount of vertical direction.
Further; In the said step (3) after controlled order is level or vertical direction; Touch panel device is according to the difference of the initial position that slides with end position information calculations two horizontal ordinates, two ordinates, judge be from left to right, right-to-left, from up to down or the slip of bottom-up direction.
Further, establishing initial position point is P
Start(x
Satrt, y
Start), end position point is P
End(x
End, y
End);
When | X
End-X
Start|>| Y
End-Y
Start| and X
End-X
Start<0 o'clock, for the right-to-left direction is slided;
When | X
End-X
Start|>| Y
End-Y
Start| and X
End-X
Start>, be direction slip from left to right at 0 o'clock;
When | X
End-X
Start|<| Y
End-Y
Start| and Y
End-Y
Start>, be direction slip from up to down at 0 o'clock;
When | X
End-X
Start|<| Y
End-Y
Start| and Y
End-Y
Start<0 o'clock, for bottom-up direction is slided.
Further, the sense of rotation of camera lens is identical or opposite with the direction of slip in the said step (4).
Of the present invention on touch panel device the method for Sliding Control video camera; Through in the enterprising line slip of touch panel device operation, discern glide direction according to initial position and the end position information of sliding, and then control camera lens carry out the counterparty to rotation; This method is not through traditional button click; But producing same control effect with the mode of sliding, this control mode operation is simple more, convenient, and saves screen space; Especially on the relatively more valuable equipment of this screen space of touch panel device, have more practical value.
Description of drawings
Fig. 1 is mutual control zone coordinate system figure;
Fig. 2 is the computing process flow diagram of embodiment;
Fig. 3 is that the controls lens of embodiment is to the right rotation synoptic diagram;
Fig. 4 is that the controls lens of embodiment is to the anticlockwise synoptic diagram;
Fig. 5 is that the controls lens of embodiment rotates up synoptic diagram;
Fig. 6 is that the controls lens of embodiment is rotated down synoptic diagram.
Embodiment
On the method for Sliding Control video camera on the touch panel device is mainly used in touch panel device and system that the video camera communication is connected; And camera lens is rotatable; Touch panel device is meant mobile phone, panel computer, MID, MP4 or the MP3 etc. that have touch-screen; All be equipped with hardware platform and had the general-purpose operating system no matter these touch panel devices are capacitive touch screen or electric resistance touch screen; And all can discern sliding action, realize the different operation purpose through on touch-screen, carrying out different touches, but this method be exactly through sliding on touch panel device with finger or touch-screen identification equipment; Discern glide direction, and then the rotation of control cam lens.
The step of method is following:
(1) touch panel device obtains the video information of video camera through communication network, and on touch-screen, shows;
(2) but on the touch-screen of the video information that shows video camera slip finger or touch-screen identifying operation equipment, touch panel device obtains the initial position and the end position information of slip;
(3) touch panel device is judged glide direction according to initial position that slides and end position information, discerns the control command of user to the camera lens rotation; Touch panel device is according to the initial position that slides and the side-play amount of end position information calculations horizontal direction and vertical direction, when the side-play amount of horizontal direction during greater than the side-play amount of vertical direction, is the control command of horizontal direction; When the side-play amount of horizontal direction during, be the control command of vertical direction less than the side-play amount of vertical direction; After controlled order is level or vertical direction; Touch panel device is according to the difference of the initial position that slides with end position information calculations two horizontal ordinates, two ordinates, judge be from left to right, right-to-left, from up to down or the slip of bottom-up direction;
(4) touch panel device according to the user to the control command of camera lens rotation to the video camera transmitting control commands, accomplish control to the camera lens rotation; The sense of rotation of camera lens can be identical with the direction of slip, also can be opposite.
We use the interaction area coordinate system of Fig. 1 formula, when touch-control begins, in the middle of coordinate system, produce the starting point coordinate data, produce the end point data when touch-control finishes.
When finger touches interaction area, during the beginning sliding action, obtain first P
Start(x
Start, y
Start).Interactive action finishes, and after finger leaves interaction area, obtains second some P
End(x
End, y
End).Then carry out the judgement of level, vertical direction.At first judge the general orientation of rotation of lens, then obtain concrete sense of rotation.For example: certain user slides to the right on interaction area, and we obtain two some P
Start(x
Start, y
Start), P
End(x
End, y
End), we obtain the user and want rotating lens in the horizontal direction through computing.Continue computing, judging the user is to think rotating lens to the right, according to computing we carry out rotation of lens as a result.Calculation flow chart is seen Fig. 2.
Sliding with finger below is that example describes; Touch panel device can directly obtain to point the initial position and the end position information of slip; According to the initial position of finger slip and the direction of end position information judgement finger slip, and we are provided with the sense of rotation of control camera lens and point slide in the opposite direction.
1. controls lens is to right rotation
As shown in Figure 3, when using, we point when the equipment interactive areas of touch panel device slides left, and controlled camera lens is to right rotation.
When finger touches interaction area and begins sliding action, will obtain first P
Start(x
Start, y
Start), finger slides then, when finger lift leave interaction area after, obtain second some P
End(x
End, y
End).
| X
End-X
Start|>| Y
End-Y
Start|, because skew in the horizontal direction is greater than vertical direction, so be judged as the control command of horizontal direction.
X
End-X
Start<0, off-set value in the horizontal direction is judged as finger and slides left less than zero, so carry out camera lens spinning movement to the right.
2. controls lens is to anticlockwise
As shown in Figure 4, when we with finger when the equipment interactive areas slides to the right, the rotation of controlled lens left.
When finger touches interaction area and begins sliding action, will obtain first P
Start(x
Start, y
Start), finger slides then, when finger lift leave interaction area after, obtain second some P
End(x
End, y
End).
| X
End-X
Start|>| Y
End-Y
Start|, because skew in the horizontal direction is greater than vertical direction, so be judged as the control command of horizontal direction.
X
End-X
Start>0, off-set value in the horizontal direction is judged as finger and slides to the right greater than zero, so carry out the lens left spinning movement.
3. controls lens rotates up
As shown in Figure 5, when we with finger at the equipment interactive areas during to lower slider, controlled camera lens rotates up.
When finger touches interaction area and begins sliding action, will obtain first P
Tstart(x
Start, y
Start), finger slides then, when finger lift leave interaction area after, obtain second some P
End(x
End, y
End).
| X
End-X
Start|<| Y
End-Y
Start|, because skew in the horizontal direction is less than vertical direction, so be judged as the control command of vertical direction.
Y
End-Y
Start>0, greater than zero, be judged as finger in the off-set value of vertical direction to lower slider, rotate up action so carry out camera lens.
4. controls lens is rotated down
As shown in Figure 6, when we with the finger when the equipment interactive areas upwards slides, controlled camera lens is rotated down.
When finger touches interaction area and begins sliding action, will obtain first P
Start(x
Start, s
Tart), finger slides then, when finger lift leave interaction area after, obtain second some P
End(x
End, y
End).
| X
End-X
Start|<| Y
End-Y
Start|, because skew in the horizontal direction is judged as the control command of vertical direction less than vertical direction.
Y
End-Y
Start<0,, be judged as finger and upwards slide less than zero in the off-set value of vertical direction, carry out camera lens and be rotated down action.
Claims (5)
1. the method for a Sliding Control video camera on touch panel device is characterized in that, this method is applied in touch panel device and the system that the rotatable video camera communication of camera lens is connected, and step is following:
(1) touch panel device obtains the video information of video camera through communication network, and on touch-screen, shows;
(2) but on the touch-screen of the video information that shows video camera slip finger or touch-screen identifying operation equipment, touch panel device obtains the initial position and the end position information of slip;
(3) touch panel device is judged glide direction according to initial position that slides and end position information, discerns the control command of user to the camera lens rotation;
(4) touch panel device according to the user to the control command of camera lens rotation to the video camera transmitting control commands, accomplish control to the camera lens rotation.
2. method according to claim 1; It is characterized in that: said step (3) touch panel device is according to the initial position that slides and the side-play amount of end position information calculations horizontal direction and vertical direction; When the side-play amount of horizontal direction during, be the control command of horizontal direction greater than the side-play amount of vertical direction; When the side-play amount of horizontal direction during, be the control command of vertical direction less than the side-play amount of vertical direction.
3. method according to claim 2; It is characterized in that: in the said step (3) after controlled order is level or vertical direction; Touch panel device is according to the difference of the initial position that slides with end position information calculations two horizontal ordinates, two ordinates, judge be from left to right, right-to-left, from up to down or the slip of bottom-up direction.
4. method according to claim 3 is characterized in that: establishing initial position point does
P
Start(x
Start, y
Start), end position point is P
End(x
End, y
Enend),
When | X
End-X
Start|>| Y
End-Y
Start| and X
End-X
Start<0 o'clock, for the right-to-left direction is slided;
When | X
End-X
Start|>| Y
End-Y
Start| and X
End-X
Start>, be direction slip from left to right at 0 o'clock;
When | X
End-X
Start|<| Y
End-Y
Start| and Y
End-Y
Start>, be direction slip from up to down at 0 o'clock;
When | X
End-X
Start|<| Y
End-Y
Start| and Y
End-Y
Start<0 o'clock, for bottom-up direction is slided.
5. according to each described method among the claim 1-4, it is characterized in that: the sense of rotation of camera lens is identical or opposite with the direction of slip in the said step (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102800055A CN102819398A (en) | 2012-08-08 | 2012-08-08 | Method for slidingly controlling camera via touch screen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102800055A CN102819398A (en) | 2012-08-08 | 2012-08-08 | Method for slidingly controlling camera via touch screen device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102819398A true CN102819398A (en) | 2012-12-12 |
Family
ID=47303529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102800055A Pending CN102819398A (en) | 2012-08-08 | 2012-08-08 | Method for slidingly controlling camera via touch screen device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102819398A (en) |
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