CN101409848B - Method, system for video adjustment and collection device controller - Google Patents
Method, system for video adjustment and collection device controller Download PDFInfo
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- CN101409848B CN101409848B CN2007101638772A CN200710163877A CN101409848B CN 101409848 B CN101409848 B CN 101409848B CN 2007101638772 A CN2007101638772 A CN 2007101638772A CN 200710163877 A CN200710163877 A CN 200710163877A CN 101409848 B CN101409848 B CN 101409848B
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Abstract
The invention provides a video adjusting method, a system and a collection device controller; wherein, the method comprises: obtaining all the image data collected by video collection devices; wherein, the invention is provided with at least two video collection devices; the method also comprises: confirming the overlapping situation of the captured image data; if the confirmed overlapping situation does not meet a set condition, then adjusting the orientations of all or partial video collection devices to lead the overlapping situation of the image data collected by all the video collection devices to meet the set condition. The method can obtain the image data collected by all the video collection devices and carry out calculation on the overlapping situation of the collected image data, accurately judge whether the overlapping situation meets the set condition or not and regulate the orientations of the video collection devices according to the overlapping situation. Compared with the method of observing the overlapping situation of the video image from human eyes and judging the positions of each video image in the prior art, the invention leads the video regulation to be more accurate, thereby simply obtaining a proper video image.
Description
Technical field
The present invention relates to video technique, method, system and collection device controller that particularly a kind of video is regulated.
Background technology
Along with the continuous development of video technique, a plurality of videos of real-time shooting have appearred, and with its person's that offers the video reception simultaneously technology, video conference becomes the main application scenarios of this technology.The method of photographic subjects mainly contains following dual mode in the existing video conferencing system:
First kind of mode as shown in Figure 1, video camera is personnel 1 and the personnel 2 in the photographic subjects simultaneously, with the video that the photographs person that offers the video reception.This mode realizes simply, still, if the video reception person wants emphasis to show personnel 1, the personnel 1 that the camera lens of video camera need be furthered, at this moment, the camera lens of video camera must depart from personnel 2, and personnel 2 just can not clearly illustrate.
The second way as shown in Figure 2, a plurality of video cameras are from the different parts of different direction photographic subjects, be example with two video cameras among Fig. 2, personnel 1 in video camera 1 photographic subjects, personnel 2 in video camera 2 photographic subjects, the video that video camera 1 and video camera 2 are photographed is adjusted then, and the video image that two video cameras are photographed is in suitable position, and described suitable position can be to make the video image that photographs far and near identical and overlapping in meeting the condition of setting.Then, with the adjusted video person that offers the video reception simultaneously, this mode has solved the drawback that exists in first kind of mode, and two video cameras can be distinguished emphasis and show personnel 1 and personnel 2, and can not interfere with each other and influence.Wherein, the video camera shown in Fig. 1 and Fig. 2 also can be other video capture device, and described shooting also can be other video acquisition mode.
But, be overlapping conditions to the adjustment of video in the second way by the eye-observation video image, and whether the overlapping conditions of judging each video image is suitable, the inaccuracy that the mode that this video is regulated will inevitably cause video to regulate, thus be difficult to get access to suitable video image.
Summary of the invention
Method, system and collection device controller that the embodiment of the invention provides a kind of video to regulate so that it is convenient accurate that video is regulated, thereby get access to suitable video image quickly and easily.
The method that a kind of video is regulated, this method comprises:
Obtain the view data that all video capture devices are gathered, wherein, described video capture device has two at least;
Determine the overlapping conditions of the view data obtained,, then adjust the orientation of all or part video capture device, the overlapping conditions of the view data of collection is met impose a condition if the overlapping conditions of determining does not meet the condition of setting.
The system that a kind of video is regulated, this system comprises: comprise the collection device controller of orientation acquiring unit, orientation computing unit and orientation processing unit, and at least two video capture devices
Described orientation acquiring unit is used to obtain the view data that video capture device is gathered;
Described orientation computing unit is used to calculate the overlapping conditions of the view data that described orientation acquiring unit gathers;
Described orientation processing unit is used for when the overlapping conditions that described orientation computing unit calculates does not meet the condition of setting, generates the orientation adjustment instruction and sends to video capture device, and perhaps, the overlapping conditions that described orientation computing unit is calculated offers the user;
Described video capture device is used for acquisition of image data, accepts described collection device controller or user's orientation adjustment.
A kind of collection device controller, this collection device controller comprises:
The orientation acquiring unit is used to obtain the view data that video capture device is gathered;
The orientation computing unit is used to calculate the overlapping conditions of the view data that described orientation acquiring unit gathers;
The orientation processing unit is used for when the overlapping conditions that described orientation computing unit calculates does not meet the condition of setting, generates the orientation adjustment instruction and sends to video capture device, and perhaps, the overlapping conditions that described orientation computing unit is calculated offers the user.
As can be seen from the above technical solutions, the method of the adjusting video that provides in the embodiment of the invention can be obtained the view data that all video equipments are gathered, and the view data that collects is carried out the calculating of overlapping conditions, accurately judge overlapping conditions and whether satisfy the condition of setting, and the orientation of video capture device is regulated according to the situation that calculates, with must and judge in the prior art that the method for each video image position compares by eye-observation video image overlapping conditions, it is more accurate that video is regulated, thereby get access to suitable video image simply.
Description of drawings
Fig. 1 is the structural representation that first kind of image pickup method of the prior art adopts;
Fig. 2 is the structural representation that second kind of image pickup method of the prior art adopts;
The system construction drawing that Fig. 3 regulates for the video that the embodiment of the invention provides;
First structure chart of the collection device controller that Fig. 4 .a provides for the embodiment of the invention;
Second structure chart of the collection device controller that Fig. 4 .b provides for the embodiment of the invention;
First method flow diagram of the video condition that Fig. 5 provides for the embodiment of the invention;
Second method flow diagram of the video condition that Fig. 6 provides for the embodiment of the invention;
Fig. 7 is the method flow diagram of Fig. 4 .a in conjunction with Fig. 5;
Fig. 8 is the method flow diagram of Fig. 4 .b in conjunction with Fig. 6.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the drawings and specific embodiments.
The method that the embodiment of the invention provides mainly comprises: obtain the view data that all video capture devices are gathered, wherein, described video capture device has two at least; Determine the overlapping conditions of the view data obtained,, then adjust the orientation of all or part video capture device, make the overlapping conditions of the view data of all video capture device collections meet the condition of setting if the overlapping conditions that calculates does not meet the condition of setting.
Before the view data of obtaining all video capture device collections, can also obtain the focal length data of all video capture devices, if the focal length data of all video capture devices that obtain is identical, then continue to carry out the step of obtaining its view data of gathering separately, if the focal length data of all video capture devices that obtain is inequality, then adjust the focal length of all or part video capture device, make its focal length identical, continue to carry out the step of the view data of obtaining all video capture devices collections again.
Understand for convenience, at first the system that regulates of the video that the embodiment of the invention is provided describes.The system construction drawing that Fig. 3 provides for the embodiment of the invention, as shown in Figure 3, this system mainly comprises: collection device controller 300 and at least two video capture devices 310;
Each video capture device 310 is used for acquisition of image data, accepts collection device controller 300 or user's orientation adjustment.
Described collection device controller 300, can also be used to obtain the focal length data of all video capture devices 310, if this focal length data is identical, then continue to carry out described operation of obtaining its view data of gathering separately from video capture device 310, if this focal length data is inequality, then adjust the focal length of video capture device 310, perhaps this focal length data is offered the user, the focal length of prompting user manual setting video capture device makes the focal length of all video capture devices 310 identical;
Wherein, the structure of collection device controller 300 can be shown in Fig. 4 .a, and this collection device controller 300 can comprise: orientation acquiring unit 301, orientation computing unit 302 and orientation processing unit 303.
Interface between orientation acquiring unit 301 and the video capture device 310 can be component vide (S-VIDEO) interface, digital display interface (DVI, Digital Visual Interface), high-definition multimedia (HDMI, High Definition Multimedia) interface or other interface.
Wherein, orientation processing unit 303 can comprise: orientation judging unit 3031, directional correction unit 3032 and orientation transmitting element 3033.
Orientation transmitting element 3033, the orientation adjustment instruction that is used for directional correction unit 3032 is generated sends to video capture device.
This collection device controller 300 can also comprise:
Focal length acquiring unit 304 is used to obtain the focal length data of video capture device 310;
Interface between focal length acquiring unit 304 and the video capture device can be video system control architecture (VISCA, Video System Control Architecture) interface or other interface.
Focal length judging unit 305 is used to judge whether the focal length data that described focal length acquiring unit obtains is identical, if identical, then trigger the orientation acquiring unit and carries out the operation of obtaining the view data that video capture device 310 gathers;
Focal length transmitting element 307 is used to send the focal length adjustment that focus correction unit 306 generates and instructs to video capture device 310.
In addition, this collection device controller 300 can also comprise: the first control command input unit 308, be used for to orientation acquiring unit 301 transmitting control commands, trigger orientation acquiring unit 301 and carry out the described operation of obtaining, send controlled condition to directional correction unit 3032.
This collection device controller 300 can also comprise: the second control command input unit 309, be used for to focal length acquiring unit 304 transmitting control commands, and trigger the focal length acquiring unit and carry out the described operation of obtaining, send controlled condition to focus correction unit 306.
Wherein, can comprise in the controlled condition: as the video capture device of reference equipment.Directional correction unit 3032 and focus correction unit 306 can generate corresponding orientation adjustment order and focal length adjustment order according to this reference device, and making each video capture device serves as according to adjusting with this reference device.
Collection device controller shown in Fig. 4 .a can be realized automatic adjustment and the manual adjustment to the orientation, and the automatic adjustment of focal length, and the collection device controller shown in Fig. 4 .b can be realized the automatic adjustment in orientation and the manual adjustment of manual adjustment and focal length.Shown in Fig. 4 .b, in the collection device controller shown in Fig. 4 .a, difference is, with the focal length acquiring unit 304 among Fig. 4 .a, focal length judging unit 305, focus correction unit 306 and focal length transmitting element 307 replace with focal length acquiring unit 404 and the focal length Tip element 405 among Fig. 4 .b.
Focal length acquiring unit 404 is used to obtain the focal length data of video capture device 310;
Focal length Tip element 405 is used for the focal length data that provides the focal length acquiring unit to obtain to the user, so that the user is according to the focal length of this focal length data manual setting video capture device.
At this moment, the first control command input unit 308 also is used for to focal length acquiring unit 404 transmitting control commands, triggers focal length acquiring unit 404 and carries out the described operation of obtaining.Certainly, one the 3rd control command input unit can also be set separately, be exclusively used in, trigger focal length acquiring unit 404 and carry out the described operation of obtaining to focal length acquiring unit transmitting control commands.
Be example with particular flow sheet shown in Figure 5 below, the method that the embodiment of the invention provides is carried out concrete description.As shown in Figure 5, this method can may further comprise the steps:
Step 501: collection device controller obtains the focal length data of all video capture devices;
This step can send the instruction of obtaining focal length data to all video capture devices for collection device controller, after each video capture device receives the instruction of obtaining focal length data, replys the focal length data of self to collection device controller.
Step 502: collection device controller judges whether the focal length data that obtains is identical, if not, and execution in step 503, if, execution in step 504;
In this step, collection device controller can be selected one of them video capture device, sends focus controlling to other video capture device and carries out, and the focal length of adjusting this other video capture device is identical with the focal length of the video capture device of selecting; Also can set a focal length, send the focus controlling instruction to all video capture devices, the focal length of adjusting all video capture devices is identical with the focal length of this setting.
Step 504: collection device controller obtains the view data that all video capture devices are gathered, and calculates the overlapping conditions of the view data of obtaining;
The overlapping conditions of calculating the view data obtain in this step can be in the following way: all pixel columns of each view data that traversal is obtained, the pixel column of all each view data that traverses relatively draws the overlapping conditions of each view data.For example, at first respectively get first row and mate, continue respectively to get preceding two row again and mate, continue to get first three columns again and mate,, just can draw the overlapping conditions of each view data up to all pixel columns of traversal.Also can adopt other computational methods.
Step 505: collection device controller judges whether the overlapping conditions of each view data that calculates meets the condition of setting, if not, and execution in step 506, if, process ends;
The condition of setting in this step can be to allow to a certain degree overlapping, also can be not overlapping just.
Step 506: collection device controller generates the orientation adjustment instruction of adjusting the orientation according to overlapping conditions, sends to all or part of video capture device.
In this step, collection device controller can be selected one of them video capture device as reference, send the orientation control command to other video capture device, adjust the orientation of other video capture device, make the overlapping conditions of the view data of all video capture device collections meet the condition of setting.
Flow process shown in Figure 5 is to realize regulating automatically the method flow diagram of video, still, if video capture device is not supported control command, then method shown in Figure 5 can not be used, at this moment, the method for manual adjustment video shown in Figure 6 can be adopted, as shown in Figure 6, this method may further comprise the steps:
Step 601: collection device controller obtains the focal length data of all video capture devices;
Step 602: the focal length data of each video capture device that collection device controller will get access to offers the user, so that the focal length of all or part of video capture device of user's manual setting;
In this step, collection device controller can generate the information of the focal length data that comprises each video capture device, and this information is offered the user.Also can at first judge the focal length data that obtains judge whether focal length is identical, the information that will comprise judged result and each focal length data is shown to the user.
This information can be an information of voice prompt, also can be display reminding information.Can provide the focal length data of each video capture device in this information, can be reference device with certain video capture device also, provides the comparative information of the focal length data of the focal length data of other video capture device and this reference device.So that the user can be according to the focal length of all or part of video capture device of this information manual setting.
Step 603: when the focal length of each video capture device was identical, collection device controller obtained the view data that all video capture devices are gathered, and calculated the overlapping conditions of the view data of obtaining;
Step 604: collection device controller offers the user with the overlapping conditions that calculates, so that the orientation of all or part of video capture device of user's manual setting, makes the overlapping conditions of the view data of each video capture device meet the condition of setting.
In this step, collection device controller can generate the information of the overlapping conditions of the view data that comprises each video capture device, and this information is offered the user.This information can be an information of voice prompt, also can be display reminding information.
Be example with the collection device controller structure shown in Fig. 4 .a below, flow process shown in Figure 5 is carried out the correspondence explanation, its process may further comprise the steps as shown in Figure 7:
Step 701: the control command input unit sends controlled condition to focal length acquiring unit transmitting control commands to orientation calculating and correcting unit, focus correction unit;
Control command is used to trigger the focal length acquiring unit and obtains focal length data, can comprise in the controlled condition as the data acquisition equipment sign with reference to equipment.
Step 702: after the focal length acquiring unit receives control command, obtain the focal length data of all video capture devices;
This step mid-focal length acquiring unit sends to all video capture devices and obtains instruction, and video capture device receives after this obtains instruction, and the focal length data of self is provided.Wherein, sending the step of obtaining instruction omits.
Step 703: the focal length acquiring unit sends to the focal length judging unit with the focal length data that gets access to;
Step 704: whether focal length judgment unit judges focal length data is identical, if if execution in step inequality 705 identical, then triggers the orientation acquiring unit, execution in step 709;
Step 705: the focal length judging unit triggers the focus correction unit;
Step 706: the focus correction unit generates focal length adjustment instruction according to focal length data, sends to the focal length transmitting element;
Step 707: the focal length transmitting element sends the focal length adjustment of focus correction unit generation and instructs to video capture device;
Step 708: video capture device returns to adjust finishes response;
Step 709: the orientation acquiring unit obtains the view data that video capture device is gathered after receiving the triggering of finishing response or focal length judging unit that video capture device returns;
The orientation acquiring unit sends to all video capture devices and obtains instruction in this step, and video capture device receives after this obtains instruction, and the view data of self is provided.Wherein, sending the step of obtaining instruction omits.
Step 710: the orientation acquiring unit sends to the orientation with view data and calculates and correcting unit;
Step 711: orientation calculating and correcting unit calculate the overlapping conditions between each view data, judge whether the overlapping conditions that calculates meets the condition of setting, if do not meet the condition of setting, according to the overlapping conditions of calculating, generate the orientation adjustment instruction;
Step 712: the orientation is calculated and correcting unit sends to each video capture device with the orientation adjustment instruction.
Be example with the collection device controller structure shown in Fig. 4 .b below, flow process shown in Figure 6 is carried out the correspondence explanation, its process may further comprise the steps as shown in Figure 8:
Step 801: the control command input unit is to focal length acquiring unit transmitting control commands;
Step 802: the focal length acquiring unit obtains the focal length data of all video capture devices;
Step 803: the focal length acquiring unit offers the focal length Tip element with the focal length data that obtains;
Step 804: the focal length Tip element is shown to the user with focal length data, so that the focal length of all or part of video capture device of user's manual setting;
Step 805: after the user adjusts focal length and finishes, by the control command input unit to orientation acquiring unit transmitting control commands;
Step 806: the orientation acquiring unit obtains the view data that all video capture devices are gathered;
Step 807: the orientation acquiring unit offers the orientation computing unit with view data;
Step 808: the orientation computing unit calculates the overlapping conditions of the view data of obtaining, and this overlapping conditions is sent to the orientation Tip element;
Step 809: the orientation Tip element is shown to the user with overlapping conditions, so that the orientation of all or part of video capture device of user's manual setting, makes the overlapping conditions of the view data of each video capture device meet the condition of setting.
In the above-mentioned method that provides, also can realize the combination of the manual adjustment of the automatic adjustment in orientation and focal length, also can realize the manual adjustment in orientation and the self-adjusting combination of focal length, to satisfy different actual demands.
By above description as can be seen, in embodiments of the present invention, by obtaining the view data that all video capture devices are gathered, wherein, described video capture device has two at least; The overlapping conditions of the view data that calculating is obtained if the overlapping conditions that calculates does not meet the condition of setting, is then adjusted the orientation of all or part video capture device, makes the overlapping conditions of the view data of all video capture device collections meet the condition of setting.The method of this adjusting video can be obtained the view data that all video equipments are gathered, and the view data that collects is carried out the calculating of overlapping conditions, accurately judge the condition whether overlapping conditions meets setting, and the orientation of video capture device is regulated according to the situation that calculates, with must and judge in the prior art that the method for each video image position compares by eye-observation video image overlapping conditions, it is more accurate that video is regulated, thereby get access to suitable video image simply.
The embodiment of the invention can also at first be obtained the focal length data of all video capture devices, if the focal length of all video capture devices that obtain is identical, then continues to obtain the view data of video capture device; If inequality, then adjust the focal length of all or part video capture device, make its focal length identical, make that like this process of focusing is also more accurate.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (18)
1. the video method of regulating is characterized in that this method comprises:
Obtain the view data that all video capture devices are gathered, wherein, described video capture device has two at least;
Determine the overlapping conditions of the view data obtained,, then adjust the orientation of all or part video capture device, the overlapping conditions of the view data of collection is met impose a condition if the overlapping conditions of determining does not meet the condition of setting.
2. method according to claim 1, it is characterized in that, the described view data of obtaining all video capture device collections comprises: send the instruction of obtaining view data to all video capture devices, after each video capture device receives the instruction of obtaining view data, feed back the view data of self.
3. method according to claim 1, it is characterized in that, describedly determine that the overlapping conditions of the view data obtained comprises: all pixel columns of each view data that traversal is obtained, the pixel column of all each view data that traverses relatively draws the overlapping conditions of each view data.
4. method according to claim 1, it is characterized in that, the orientation of described adjustment all or part video capture device comprises: send the orientation adjustment instruction to all or part video capture device, the video capture device that receives described orientation adjustment instruction is adjusted the orientation of self according to described orientation adjustment instruction; Perhaps, the information that will comprise described overlapping conditions offers the user, and video capture device is accepted the orientation adjustment that the user carries out all or part video capture device.
5. method according to claim 1 is characterized in that, the orientation of described adjustment member video capture device comprises: setting a video capture device is reference device, adjusts the orientation of other video capture device.
6. method according to claim 1, it is characterized in that, before the described view data of obtaining all video capture device collections, also comprise: the focal length data that obtains all video capture devices, if the focal length data that obtains is identical, then continue to carry out the described step of obtaining the view data of all video capture devices collections; If the focal length data that obtains is inequality, then adjust the focal length of all or part video capture device, make the focal length of all video capture devices identical.
7. method according to claim 6, it is characterized in that, the described focal length data that obtains all video capture devices comprises: send the instruction of obtaining focal length data to all video capture devices, after each video capture device receives the instruction of obtaining focal length data, feed back the focal length data of self.
8. method according to claim 6, it is characterized in that, the focal length of described adjustment all or part video capture device comprises: send focal length adjustment instruction to all or part video capture device, the video capture device that receives described focal length adjustment instruction is adjusted the focal length of self according to described focal length adjustment instruction; Perhaps,
The information that will comprise described focal length data offers the user, and video capture device is accepted the focal length adjustment that the user carries out all or part video capture device.
9. method according to claim 6 is characterized in that, the focal length of described adjustment member video capture device comprises: setting a video capture device is reference device, adjusts the focal length of the focal length of other video capture device for this reference device;
The focal length of described all video capture devices of adjustment comprises: the focal length of adjusting all video capture devices is some fixed values.
10. the system that regulates of a video is characterized in that this system comprises: comprise the collection device controller of orientation acquiring unit, orientation computing unit and orientation processing unit, and at least two video capture devices;
Described orientation acquiring unit is used to obtain the view data that video capture device is gathered;
Described orientation computing unit is used to calculate the overlapping conditions of the view data that described orientation acquiring unit gathers;
Described orientation processing unit is used for when the overlapping conditions that described orientation computing unit calculates does not meet the condition of setting, generates the orientation adjustment instruction and sends to video capture device, and perhaps, the overlapping conditions that described orientation computing unit is calculated offers the user;
Described video capture device is used for acquisition of image data, accepts described collection device controller or user's orientation adjustment.
11. system according to claim 10 is characterized in that, described collection device controller also comprises: the first focal length acquiring unit, focal length judging unit, focus correction unit and focal length transmitting element;
The described first focal length acquiring unit is used to obtain the focal length data of video capture device;
Described focal length judging unit is used to judge whether the focal length data that the described first focal length acquiring unit obtains is identical, if identical, then trigger the orientation acquiring unit and carries out the operation of obtaining the view data that video capture device gathers;
Described focus correction unit is used for describedly when focal length judgment unit judges focal length data is inequality, and the focal length data that obtains according to the first focal length acquiring unit generates focal length adjustment instruction;
Described focal length transmitting element is used to send the focal length adjustment that described focus correction unit generates and instructs to video capture device;
Described video capture device also is used to provide self focal length data.
12. a collection device controller is characterized in that, this collection device controller comprises:
The orientation acquiring unit is used to obtain the view data that video capture device is gathered;
The orientation computing unit is used to calculate the overlapping conditions of the view data that described orientation acquiring unit gathers;
The orientation processing unit is used for when the overlapping conditions that described orientation computing unit calculates does not meet the condition of setting, generates the orientation adjustment instruction and sends to video capture device, and perhaps, the overlapping conditions that described orientation computing unit is calculated offers the user.
13. collection device controller according to claim 12 is characterized in that, described orientation processing unit comprises:
The orientation judging unit is used to judge whether overlapping conditions that described orientation computing unit calculates meets the condition of setting;
The directional correction unit is used for not meeting when imposing a condition in described orientation judgment unit judges overlapping conditions, according to the overlapping conditions that described orientation computing unit calculates, generates the orientation adjustment instruction;
The orientation transmitting element, the orientation adjustment instruction that is used for described directional correction unit is generated sends to video capture device.
14. collection device controller according to claim 12 is characterized in that, this collection device controller also comprises:
The first focal length acquiring unit is used to obtain the focal length data of video capture device;
The focal length judging unit is used to judge whether the focal length data that the described first focal length acquiring unit obtains is identical, if identical, then trigger the orientation acquiring unit and carries out the operation of obtaining the view data that video capture device gathers;
The focus correction unit is used for describedly when focal length judgment unit judges focal length data is inequality, and the focal length data that obtains according to the first focal length acquiring unit generates focal length adjustment instruction;
The focal length transmitting element is used to send the focal length adjustment that described focus correction unit generates and instructs to video capture device.
15. collection device controller according to claim 13, it is characterized in that, this collection device controller also comprises: the first control command input unit, be used for to described orientation acquiring unit transmitting control commands, trigger described orientation acquiring unit and carry out the described operation of obtaining, send controlled condition to described directional correction unit;
Described directional correction unit also is used to obtain the controlled condition that the described first control command input unit sends, and carries out the operation of described generation orientation adjustment order according to described controlled condition.
16. collection device controller according to claim 14, it is characterized in that, this collection device controller also comprises: the second control command input unit, be used for to the described first focal length acquiring unit transmitting control commands, trigger the described first focal length acquiring unit and carry out the described operation of obtaining, send controlled condition to described focus correction unit;
Described focus correction unit also is used to obtain the controlled condition that the described second control command input unit sends, and carries out the operation of described generation focal length adjustment order according to described controlled condition.
17. collection device controller according to claim 12 is characterized in that, this collection device controller also comprises:
The second focal length acquiring unit is used to obtain the focal length data of video capture device;
The focal length data that provides the described second focal length acquiring unit to obtain to the user is provided the focal length Tip element.
18. collection device controller according to claim 17, it is characterized in that, this collection device controller also comprises: the 3rd control command input unit is used for triggering described focal length acquiring unit to the described second focal length acquiring unit transmitting control commands and carries out described operation of obtaining.
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| CN1897648A (en) * | 2005-11-04 | 2007-01-17 | 中国科学院长春光学精密机械与物理研究所 | Method and device for adjusting camera position |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1897648A (en) * | 2005-11-04 | 2007-01-17 | 中国科学院长春光学精密机械与物理研究所 | Method and device for adjusting camera position |
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