CN101662696B - Method and device for adjusting camera system - Google Patents
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Abstract
The invention relates to a method and a device for adjusting a camera system. The method comprises the following steps of: presetting parameters for determining an optimal visual area according to spatial physical parameters and hardware parameters of camera units, wherein the parameters for determining the optimal visual area indicate that a target object is positioned in an area which can be captured by at least two camera units; capturing image data of the target object by the camera units, and acquiring spatial parameters of the target object according to the image data; comparing the acquired spatial parameter with the preset parameters for determining the optimal visual area so as to determine whether the target object deviates from the optimal visual area; giving a prompting signal to indicate whether the target object deviates from the optimal visual area; and adjusting the position of the target object according to the prompting signal until the spatial physical parameters of the target object is in accordance with the parameters for determining the optimal visual area. The method and the device provided by the embodiment of the invention provide helps for adjusting the target object to enter the optimal visual area through an interactive prompting means.
Description
Technical field
The present invention relates to image processing field, a kind of particularly method and apparatus of regulating camera system that relates to.
Background technology
Camera has become one of indispensable input equipment of current computer.Camera is mainly used on the Video chat at present.But, Z-Star Microelectronics has showed more application based on camera to industry, and for example: face tracking, recognition of face (can be used for video monitoring, the system of registering, man-machine interaction, system boot), people's face 3D animation, 2 D code information read the two-dimension code of phone and e-mail messages (read the two-dimension code business card, read network address), video monitoring etc.
But, above-mentioned application also is based on the use of single camera.If the computer ratio is done human brain, camera just is similar to people's eyes so.Single camera is only order, and dual camera is only binocular.To carry out the input of 3D rendering in addition, just must use a plurality of cameras, so multi-cam use on computers can be expected, because multi-cam not only can be included the application of single camera, and the more novel application that can bring single camera to realize.
In the system that dual camera is formed, the target object that is taken need appear in the vision area of two cameras simultaneously.Iff relying on human eye to watch the image of two cameras, manual setting then can be wasted time and energy; In addition along with the increase of camera number, the increase that the workload of manual adjustments camera can be at double.
Summary of the invention
The purpose of the embodiment of the invention is how to confirm and regulate when solving plural image unit catches image the problem of optimal visual area.
According to embodiments of the invention, a kind of method of regulating camera system has been proposed, described camera system comprises at least two image units, said method comprising the steps of: foresee steps, preestablish the parameter that is used for determining optimal visual area according to the space physics parameter of described at least two image units and hardware parameter, the described parameter that is used for determining optimal visual area is to show that target object is positioned at the space coordinates parameter in the zone that described at least two image units can capture jointly; Catch step, use the view data of described at least two image unit captured target objects, and obtain the space physics parameter of described target object according to described view data; Comparison step determines that with the space physics parameter and described default being used for of described acquisition the parameter of optimal visual area compares, and obtains comparative result to determine whether described target object departs from optimal visual area; The prompting step according to the result of comparison step, provides cue and is used to represent whether described target object departs from optimal visual area; And regulating step, according to described cue, regulate the position of described target object, the space physics parameter that shows described target object up to described comparative result is with till the described parameter that is used for determining optimal visual area is consistent.
Preferably, in described foresee steps, the described parameter that is used for definite optimal visual area comprises: the focal length of described at least two image units, described image unit distance, the cone line of described image unit, the angle on display screen plane and the space coordinates parameter of described vision area between any two.
Preferably, when described prompting step points out described target object to depart from optimal visual area, remind the described target object of adjusting by voice, figure, symbol.
Preferably, when described prompting step points out described target object to be arranged in described optimal visual area, remind the regulating step of described target object to finish by voice, figure, symbol.
Preferably, be rectangle, circle by the described formed pattern of the space coordinates parameter cross section that is used for the parameter of definite optimal visual area.
Preferably, in described foresee steps, be used for determining that with described the parameter of optimal visual area is stored in described image unit.
According to embodiments of the invention, a kind of equipment of regulating camera system has also been proposed, described camera system comprises at least two image units, the equipment of described adjusting camera system comprises with lower member: preinstall apparatus, preestablish the parameter that is used for determining optimal visual area according to the space physics parameter of described at least two image units and hardware parameter, the described parameter that is used for determining optimal visual area is to show that target object is positioned at the space coordinates parameter in the zone that described at least two image units can capture jointly; Trap setting uses the view data of described at least two image unit captured target objects, and obtains the space physics parameter of described target object according to described view data; Default being used for determines that the parameter of optimal visual area compares in the comparison means, the space physics parameter that described trap setting is obtained and described preinstall apparatus, obtains comparative result and whether departs from optimal visual area with definite described target object; Suggestion device according to the comparative result of described comparison means, provides cue and is used to represent whether described target object departs from optimal visual area; And adjusting device: according to the cue of described suggestion device, regulate the position of described target object, the space physics parameter that shows described target object up to described comparative result is with till the described parameter that is used for determining optimal visual area is consistent.That is to say, regulate the position of described target object according to cue, till described comparative result shows that the space physics parameter of described target object meets the requirement of the described parameter that is used for determining optimal visual area, stop then regulating described target object, provide the cue that described target object has been in optimal visual area.
Preferably, in described preinstall apparatus, the described parameter that is used for definite optimal visual area comprises: the focal length of described at least two image units, described image unit distance, the cone line of described image unit, the angle on display screen plane and the space coordinates parameter of described vision area between any two.
Preferably, when described suggestion device points out described target object to depart from optimal visual area, remind the described target object of adjusting by voice, figure, symbol.
Preferably, when described suggestion device points out described target object to be arranged in described optimal visual area, remind the regulating step of described target object to finish by voice, figure, symbol.
Preferably, be rectangle, circle by the described formed pattern of the space coordinates parameter cross section that is used for the parameter of definite optimal visual area.
Preferably, be used for determining that with described the parameter of optimal visual area is stored in described image unit.
Preferably, described adjusting device comprises motor machine adjusting device or manual regulating device.
A technical scheme in the technique scheme has following beneficial effect: by the method and apparatus according to the embodiment of the invention, by interactively prompting means, offer help for the adjusting target object enters optimal visual area; Make the user position of hard objectives object easily; Automatically point out by voice or symbol, accelerated the governing speed of the image unit of camera system, reduced the complexity of user's manual adjustments, also reduced the workload that the user regulates.
Description of drawings
According to following description in conjunction with the accompanying drawings, the advantage of the present invention easy to understand that will become, wherein:
Fig. 1 shows the method flow diagram according to the adjusting camera system of the embodiment of the invention;
Fig. 2 shows the one dimension schematic plan according to the optimal visual area of the embodiment of the invention;
Fig. 3 shows the two-dimensional representation according to the optimal visual area of the embodiment of the invention;
Fig. 4 shows the flow chart according to the more specifically method of the adjusting camera system of the embodiment of the invention; And
Fig. 5 shows the block diagram according to the equipment of the adjusting camera system of the embodiment of the invention.
Embodiment
Provide detailed reference to embodiments of the invention now.For explaining that the present invention will be described with reference to the drawings following embodiment.
Fig. 1 shows the method flow diagram according to the adjusting camera system of the embodiment of the invention.As shown in Figure 1, described camera system comprises at least two image units, said method comprising the steps of: foresee steps S101, preestablish the parameter that is used for determining optimal visual area according to the space physics parameter of described at least two image units and hardware parameter, the described parameter that is used for determining optimal visual area is to show that target object is positioned at the space coordinates parameter in the zone that described at least two image units can capture jointly; Catch step S102, use the view data of described at least two image unit captured target objects, and obtain the space physics parameter of described target object according to described view data; Comparison step S103 determines that with the space physics parameter and described default being used for of described acquisition the parameter of optimal visual area compares, and obtains comparative result to determine whether described target object departs from optimal visual area; Prompting step S104 according to the result of comparison step, provides cue and is used to represent whether described target object departs from optimal visual area; And regulating step S105, according to described cue, regulate the position of described target object, the space physics parameter that shows described target object up to described comparative result is with till the described parameter that is used for determining optimal visual area is consistent.By the interactively prompting means of this comparison and prompting,, the adjusting target object offers help for entering optimal visual area; Make the user position of hard objectives object easily; Automatically point out by voice or symbol, accelerated the governing speed of the image unit of camera system, reduced the complexity of user's manual adjustments, also reduced the workload that the user regulates.
Wherein, in described foresee steps, the described parameter that is used for definite optimal visual area comprises: the focal length of described at least two image units, described image unit distance, the cone line of described image unit, the angle on display screen plane and the space coordinates parameter of described vision area between any two.For example in the foresee steps, position relation according to position relation, image unit and display screen between the focal length of image unit and initial position, the image unit, certain zone of determining in the display screen front is an optimal visual area, with the spatial positional information of determined optimal visual area, for example the space coordinates parameter of described optimal visual area is as the parameter in the optimal visual area template so.
Fig. 2 shows a kind of schematic plan of optimal visual area example.As shown in Figure 2, described camera system is made up of image unit A and image unit B, and image unit is positioned at the both sides of display, and the target object in display the place ahead is carried out picture catching.When target object is positioned at described area I or area I I, target object does not come across the optimal visual area that image unit A and B all can capture, utilization is regulated target object according to the method prompting of the embodiment of the invention, make target object be positioned at the overlapping picture catching zone of described these two image units, the area I II shown in Figure 2 that the picture catching zone that just makes described target object be in described image unit A and B is covered.
Fig. 3 shows a kind of two-dimensional representation of optimal visual area example.As shown in Figure 3, described camera system is made up of image unit A and image unit B, and image unit is positioned on the display horizontal line of both sides of display, and the target object in display the place ahead is carried out picture catching.Represent when target object is positioned at described area I or area I I with the cone line of image unit A and image unit B, target object does not come across the optimal visual area that image unit A and B all can capture, method prompting according to the embodiment of the invention is regulated target object, make target object be in the overlapping picture catching zone of these two image units, just make described target object be positioned at the optimal visual area plane shown in Figure 2, picture catching zone of described image unit A and B.As shown in Figure 2, described optimal visual area plane is a rectangle.The formed pattern of the space coordinates cross section that it will be understood by those skilled in the art that described optimal visual area can be rectangle or circle.
When described prompting step points out described target object to depart from optimal visual area, by voice, figure, symbol, remind and regulate described object element, spatial parameter to the target object after regulating continues to compare with the parameter that is used for definite optimal visual area then, till the spatial parameter of target object meets the parameter of optimal visual area.When target object is in optimal visual area, when described prompting step points out described target object to be arranged in described optimal visual area,, remind the regulating step of described target object to finish by voice, figure, symbol.For example,, provide the prompting of the voice or the sound, remind the user to regulate target object when target object departs from optimal visual area; When target object departs from optimal visual area, can be by the adjustment direction of voice suggestion target object; When target object departs from optimal visual area, can on display screen, provide the adjusting direction symbol prompting of target object, such as:
When target object is in optimal visual area, then feed back appropriate signal, comprise voice, symbol (smiling face's symbol
) or the like.Preferably, in described foresee steps, described optimal visual area parameter is stored in the described image unit.
Fig. 4 shows the flow chart according to the more specifically method of the adjusting camera system of the embodiment of the invention.As shown in Figure 4, after system start-up, load the optimal visual area template and open camera.In described optimal visual area template, preestablished the parameter that is used for determining optimal visual area.Then, camera is caught the image of the preceding target object of screen.System's utilization image of being caught obtains the locus that target object occupies then, and with the locus and the optimal visual area template of target object advance, row relatively.Subsequently, enter optimal visual area if comparative result shows target object, then the feedback target object has entered the optimal visual area signal, and the target object regulating step finishes; If comparative result shows target object and does not also enter optimal visual area, then the feedback target object departs from the optimal visual area signal, and direction is regulated in prompting, regulated quantity waits and regulates target object, camera is proceeded picture catching, comparison and determining step after regulating, till target object has entered optimal visual area (just the spatial parameter of the target object of Huo Deing is used for determining that with described the parameter of optimal visual area is consistent).
Fig. 5 also shows a kind of equipment 500 of regulating camera system, described camera system comprises at least two image units, the equipment 500 of described adjusting camera system comprises with lower member: preinstall apparatus 501, preestablish the parameter that is used for determining optimal visual area according to the space physics parameter of described at least two image units and hardware parameter, the described parameter that is used for determining optimal visual area is to show that target object is positioned at the space coordinates parameter in the zone that described at least two image units can capture jointly; Trap setting 502 uses the view data of described at least two image unit captured target objects, and obtains the space physics parameter of described target object according to described view data; Default being used for determines that the parameter of optimal visual area compares in the comparison means 503, the space physics parameter that described trap setting is obtained and described preinstall apparatus, obtains comparative result and whether departs from optimal visual area with definite described target object; Suggestion device 504 according to the comparative result of described comparison means, provides cue and is used to represent whether described target object departs from optimal visual area; And adjusting device 505, according to the cue of described suggestion device, regulate the position of described target object, the space physics parameter that shows described target object up to described comparative result is with till the described parameter that is used for determining optimal visual area is consistent.
Wherein, in described preinstall apparatus, the described parameter that is used for definite optimal visual area comprises: the focal length of described at least two image units, described image unit distance, the cone line of described image unit, the angle on display screen plane and the space coordinates parameter of described vision area between any two.Point out described target object to depart from optimal visual area at described suggestion device, by voice, figure, symbol, remind and regulate described target object, spatial parameter to the target object after regulating continues to compare with the parameter that is used for definite optimal visual area, till the spatial parameter of target object meets the parameter of optimal visual area.When target object is in optimal visual area, when described suggestion device points out described target object to be arranged in described optimal visual area,, remind the regulating step of described target object at least to finish by voice, figure, symbol.For example,, provide the prompting of the voice or the sound, remind the user to regulate target object when target object departs from optimal visual area; When target object departs from optimal visual area, can be by the adjustment direction of voice suggestion target object; When target object departs from optimal visual area, can on display screen, provide the adjusting direction symbol prompting of target object, such as:
When target object is in optimal visual area, then feed back appropriate signal, comprise voice, symbol (smiling face's symbol
) or the like.The formed pattern of the space coordinates of described optimal visual area cross section can be rectangle, circle.Can be used for determining that the parameter of optimal visual area is stored in described image unit with described.
Described adjusting device can comprise motor machine adjusting device or manual regulating device.For example, described adjusting device can be the motor machine adjusting device, mechanically regulates the position of described target object under the feedback signal effect of described suggestion device.Described adjusting device can also be a manual regulating device, for example provides cue at described suggestion device, and when prompting was regulated target object, the user of described equipment can manually regulate the position of described target object according to described cue.The adjusting that it should be understood that described adjusting device can be user's manual adjustments fully, also can be the adjusting that described user carries out under the assistance of mechanic adjustment unit.
It should be understood by one skilled in the art that, in method and apparatus according to the embodiment of the invention, the number of image unit is not limited to two, the number of image unit is many more, can catching image detail in the optimal visual area of image jointly at a plurality of image units, to catch effect obvious more, and the optimal visual area parameter is also many more certainly.In addition, those of ordinary skills should also be appreciated that, be not confined to camera according to the image unit in the method and apparatus of the embodiment of the invention, described image unit can be the arbitrary image capture unit, for example camera, video camera, have mobile phone of camera function or the like.
By method and apparatus,,, the adjusting target object offers help for entering optimal visual area by interactively prompting means according to the embodiment of the invention; Make the position of user's hard objectives object easily; Automatically point out by voice or symbol, accelerated the governing speed of the image unit of camera system, reduced the repeatability of user's manual adjustments, also reduced the workload that the user regulates.
One of ordinary skill in the art will appreciate that: all or part of step of implementing in the foregoing description method can instruct relevant hardware to finish by program, described program can be stored in the computer-readable recording medium, carry out following steps when carrying out this program: foresee steps, preestablish the parameter that is used for determining optimal visual area according to the space physics parameter of described at least two image units and hardware parameter, the described parameter that is used for determining optimal visual area is to show that target object is positioned at the space coordinates parameter in the zone that described at least two image units can capture jointly; Catch step, the view data of described at least two image unit captured target objects, and obtain the space physics parameter of described target object according to described view data; Comparison step determines that with the space physics parameter and described default being used for of described acquisition the parameter of optimal visual area compares, and obtains comparative result to determine whether described target object departs from optimal visual area; The prompting step according to the result of comparison step, provides cue and is used to represent whether described target object departs from optimal visual area; And regulating step, according to described cue, regulate the position of described target object, the space physics parameter that shows described target object up to described comparative result is with till the described parameter that is used for determining optimal visual area is consistent, and described storage medium can be storage mediums such as ROM/RAM, disk, CD.
Although illustrated and described some embodiments of the present invention, but those of ordinary skills are to be understood that, under the situation that does not break away from claims and the principle and scope of the present invention that equivalent limited thereof, can in to above embodiment, make variation.
Claims (13)
1. method of regulating camera system, described camera system comprises at least two image units, said method comprising the steps of:
Foresee steps, preestablish the parameter that is used for determining optimal visual area according to the space physics parameter of described at least two image units and hardware parameter, the described parameter that is used for determining optimal visual area is to show that target object is positioned at the space coordinates parameter in the zone that described at least two image units can capture jointly;
Catch step, use the view data of described at least two image unit captured target objects, and obtain the space physics parameter of described target object according to described view data;
Comparison step determines that with the space physics parameter and described default being used for of described acquisition the parameter of optimal visual area compares, and obtains comparative result to determine whether described target object departs from optimal visual area;
The prompting step according to the result of comparison step, provides cue and is used to represent whether described target object departs from optimal visual area; And
Regulating step according to described cue, is regulated the position of described target object, and the space physics parameter that shows described target object up to described comparative result is with till the described parameter that is used for determining optimal visual area is consistent.
2. method according to claim 1, wherein in described foresee steps, the described parameter that is used for definite optimal visual area comprises: the focal length of described at least two image units, described image unit distance, the cone line of described image unit, the angle on display screen plane and the space coordinates parameter of described vision area between any two.
3. method according to claim 1 wherein when described prompting step points out described target object to depart from optimal visual area, is reminded the described target object of adjusting by voice, figure, symbol.
4. method according to claim 1 wherein, when described prompting step points out described target object to be arranged in described optimal visual area, reminds the regulating step of described target object to finish by voice, figure, symbol.
5. method according to claim 1 is rectangle or circle by the described formed pattern of the space coordinates parameter cross section that is used for the parameter of definite optimal visual area wherein.
6. method according to claim 1 wherein in described foresee steps, is used for determining that with described the parameter of optimal visual area is stored in described image unit.
7. equipment of regulating camera system, described camera system comprises at least two image units, the equipment of described adjusting camera system comprises with lower member:
Preinstall apparatus, preestablish the parameter that is used for determining optimal visual area according to the space physics parameter of described at least two image units and hardware parameter, the described parameter that is used for determining optimal visual area is to show that target object is positioned at the space coordinates parameter in the zone that described at least two image units can capture jointly;
Trap setting uses the view data of described at least two image unit captured target objects, and obtains the space physics parameter of described target object according to described view data;
Default being used for determines that the parameter of optimal visual area compares in the comparison means, the space physics parameter that described trap setting is obtained and described preinstall apparatus, obtains comparative result and whether departs from optimal visual area with definite described target object;
Suggestion device according to the comparative result of described comparison means, provides cue and is used to represent whether described target object departs from optimal visual area; And
Adjusting device: according to the cue of described suggestion device, regulate the position of described target object, the space physics parameter that shows described target object up to described comparative result is with till the described parameter that is used for determining optimal visual area is consistent.
8. equipment according to claim 7, wherein in described preinstall apparatus, the described parameter that is used for definite optimal visual area comprises: the focal length of described at least two image units, described image unit distance, the cone line of described image unit, the angle on display screen plane and the space coordinates parameter of described vision area between any two.
9. equipment according to claim 7 wherein when described suggestion device points out described target object to depart from optimal visual area, is reminded the described target object of adjusting by voice, figure, symbol.
10. equipment according to claim 7 wherein, when described suggestion device points out described target object to be arranged in described optimal visual area, reminds the regulating step of described target object to finish by voice, figure, symbol.
11. equipment according to claim 7 wherein, is rectangle or circle by the described formed pattern of the space coordinates parameter cross section that is used for the parameter of definite optimal visual area.
12. equipment according to claim 7 wherein, is used for determining that with described the parameter of optimal visual area is stored in described image unit.
13. equipment according to claim 7, wherein said adjusting device comprises motor machine adjusting device or manual regulating device.
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| CN102300043B (en) * | 2010-06-23 | 2014-06-11 | 中兴通讯股份有限公司 | Method for adjusting meeting place camera of remote presentation meeting system |
| CN103353663B (en) | 2013-06-28 | 2016-08-10 | 北京智谷睿拓技术服务有限公司 | Imaging adjusting apparatus and method |
| CN103353667B (en) | 2013-06-28 | 2015-10-21 | 北京智谷睿拓技术服务有限公司 | Imaging adjustment Apparatus and method for |
| CN103353677B (en) | 2013-06-28 | 2015-03-11 | 北京智谷睿拓技术服务有限公司 | Imaging device and method thereof |
| CN103424891B (en) | 2013-07-31 | 2014-12-17 | 北京智谷睿拓技术服务有限公司 | Imaging device and method |
| CN103431840B (en) | 2013-07-31 | 2016-01-20 | 北京智谷睿拓技术服务有限公司 | Eye optical parameter detecting system and method |
| CN103439801B (en) | 2013-08-22 | 2016-10-26 | 北京智谷睿拓技术服务有限公司 | Sight protectio imaging device and method |
| CN103431980A (en) | 2013-08-22 | 2013-12-11 | 北京智谷睿拓技术服务有限公司 | Eyesight protection imaging system and method |
| CN103500331B (en) | 2013-08-30 | 2017-11-10 | 北京智谷睿拓技术服务有限公司 | Based reminding method and device |
| CN103605208B (en) | 2013-08-30 | 2016-09-28 | 北京智谷睿拓技术服务有限公司 | content projection system and method |
| CN103558909B (en) | 2013-10-10 | 2017-03-29 | 北京智谷睿拓技术服务有限公司 | Interaction projection display packing and interaction projection display system |
| CN108965861B (en) * | 2018-06-12 | 2020-02-21 | 广州视源电子科技股份有限公司 | Method and device for positioning camera, storage medium and intelligent interaction equipment |
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