CN102497504A - Camera shooting control system and control method thereof - Google Patents
Camera shooting control system and control method thereof Download PDFInfo
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- CN102497504A CN102497504A CN2011103950750A CN201110395075A CN102497504A CN 102497504 A CN102497504 A CN 102497504A CN 2011103950750 A CN2011103950750 A CN 2011103950750A CN 201110395075 A CN201110395075 A CN 201110395075A CN 102497504 A CN102497504 A CN 102497504A
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Abstract
The invention discloses a camera shooting control method for realizing whole domain range imaging by using an electronic non-mechanical technology. The method comprises the following steps: establishing a channel of whole domain camera shooting through splicing lenses or using a wide-angle lens; then, realizing photosensitive shooting of an area of interest (AOI) domain or whole domain images by using partial splicing or whole domain splicing of an image sensor; finally, carrying out acquisition and back end processing of the AOI domain or the whole domain images. By using the technical scheme provided in the invention, a risk of mechanical losses generated by rotation of a traditional machinery holder can be eliminated. Simultaneously, extra cost of the back end processing can be reduced and an efficiency of AOI image acquisition in the whole domain can be increased.
Description
Technical field
The present invention relates to make a video recording control system and control method are specifically related to a kind of camera shooting control method that utilizes the non-mechanical technology of electronics to realize the imaging of universe scope.
Background technology
In the camera work, two kinds of methods of describing image definition are arranged in modern times, a kind of is pixel quantity, and for example, the 1K definition is represented 1024 pixels; Another kind is modulation transfer function (MTF:Modulation Transfer Function), promptly uses tv line (TVLine) or bandwidth (Band Width) to describe horizontal definition.No matter be high definition or standard definition television, it is charge-coupled device (CCD) that modern cameras is used maximum imageing sensors, and CCD is a kind of imageing sensor of limited pixel, so its definition receives the pixel count quantitative limitation.The CCD horizontal direction pixel of high-definition camera use at present approximately is 2,000, and single-definition video camera horizontal direction pixel is approximately 1,000.Therefore, the horizontal definition that high-definition camera can reach is 2K, and the single-definition video camera is 1K.But, because the definition of the restriction high-definition camera of transmission bandwidth output signal has only 1.55K, the single-definition video camera has only 0.64K.Because the practical at present high-definition camera of the restriction of technical merit has adopted the bandwidth constraints technology, for example Sony HDCAM recorded TV signal level definition is about as much as 1.25K.
Another kind of imageing sensor is CMOS (Complementary Metal-Oxide Semiconductor, a metal oxide semiconductor device), and CMOS is applied in the product of low image quality, and its advantage is that manufacturing cost is lower than CCD, and power consumption is also much lower.
Want to realize the universe shooting, can adopt mechanical type The Cloud Terrace technology, the shortcoming of this method is to want extra adding machine driving, has increased the risk of system loss; A kind of in addition method is to adopt big wide-angle camera, and the shortcoming of this method is to want data quantity transmitted too big, has increased the expense of back-end processing, and cost is relatively more expensive simultaneously.
Summary of the invention
For the ease of explanation, this paper agreement: the image range (Area Of Interest) (as shown in Figure 1) of " AOI " expression area-of-interest.
The purpose of this invention is to provide a kind of method; Make under the situation of not using mechanical rotation; Realize selectivity shooting and transmission through control, can avoid the loss of mechanical rotation, reduce the expense of rear end image processing the AOI in the universe scope to imageing sensor.
Principle of the present invention is: set up the passage of universe shooting through splicing camera lens or employing wide-angle lens earlier; Adopt the part splicing or the universe splicing of imageing sensor (CCD or CMOS) to realize sensitization shooting again, carry out the collection and the back-end processing of AOI territory or universe image at last AOI zone or universe image.
Technical scheme provided by the invention is following:
A kind of shooting control system is characterized in that, comprising: lens array; Image sensor array; Graphic display terminal; AOI digitlization cradle head control module;
Said lens array covers the universe scope, is used for universe or AOI zone are carried out the optics shooting;
The optics image pickup signal that said image sensor array is used for said lens array is obtained is converted into data image signal;
Said AOI digitlization cradle head control module is sent mutual control command; In order to control said image sensor array and lens array AOI or universe scope are carried out image data acquiring, the view data of choosing AOI zone is then carried out encoding compression, transmission, decoding it is sent to graphic display terminal;
Said graphic display terminal is used to show the AOI image.
Said imageing sensor is CCD or CMOS.
Said image sensor array comprises one or more imageing sensors, and this array covers the universe scope or only covers the AOI zone.
Preferably, before the AOI image is sent to graphic display terminal, the AOI view data is carried out encoding compression, when the data arrives graphic display terminal, again it is decoded, on graphic display terminal, show the AOI image then.
The present invention provides a kind of camera shooting control method simultaneously, and scheme is following:
A kind of camera shooting control method is characterized in that, comprises the steps:
A. make up lens array, set up universe shooting passage;
B. make up image sensor array, set up the photosensitive camera in universe or AOI territory;
C. carry out AOI or universe IMAQ, the view data that collects is handled, then the AOI view data is sent to graphic display terminal.
Wherein, said steps A comprises:
The universe scope of A1. making a video recording as required and the image pickup scope of single lens are judged the quantity of required camera lens, and are selected required camera lens;
A2. selected camera lens is spliced, set up lens array, realize covering (as shown in Figure 2) the universe scope;
A3. set up control to lens array.
Said step B comprises:
B1. according to the concrete scope of lens array and the area of universe or AOI, judge the quantity of required imageing sensor and select required imageing sensor;
B2. selected imageing sensor is spliced, set up universe or AOI zone bearing member, image sensor array, its scope will cover universe or AOI zone (as shown in Figure 3);
B3. set up control, make it can receive control command, realize photosensitive camera universe or AOI territory to image sensor array.
Said step C comprises:
C1. according to control command, control chart image-position sensor and camera lens are precisely located AOI zone or universe and are covered;
C2. with imageing sensor made a video recording in AOI zone or universe, collect AOI image or universe image;
C3. the AOI image or the universe image that collect are handled:, obtain the AOI image if the universe image is then cut apart the universe image earlier; Then the AOI image is carried out encoding compression, transmission, decoding and show at graphic display terminal.
Special, said lens array is made up of a plurality of common lens or wide-angle lens; Perhaps, said lens array only comprises 1 wide-angle lens.
Special, said image sensor array is made up of a plurality of imageing sensors; Perhaps, said image sensor array only by 1 on a large scale CCD form, some AOI just can adopt a CCD to carry out sensitization shooting like this.
Beneficial effect of the present invention: utilize technical scheme provided by the invention, can eliminate the risk that employing traditional mechanical The Cloud Terrace rotates the mechanical loss that brings, reduced the overhead of back-end processing simultaneously, improved the efficient of AOI IMAQ in the universe scope.
Description of drawings
Fig. 1 the present invention obtains the sketch map of AOI image.
Fig. 2 camera lens splicing of the present invention sketch map.
Fig. 3 imageing sensor splicing of the present invention sketch map, figure (a) only sets up ccd array with the CCD that only covers the AOI territory, and figure (b) uses the CCD that covers universe to set up ccd array.
Fig. 4 back-end processing schematic diagram provided by the invention.
Embodiment
Through instance the present invention is done further explanation below.
Embodiment:
Suppose an application scenarios, at the meeting room of 36 square metres (i.e. 8 meters x8 rice).
Be erected at roof central authorities to video camera of the present invention (comprising lens array, ccd array), the image pickup scope of supposing a camera lens is 2 meters * 2 meters a scope, adopts 16 camera lens splicings to form lens array; Adopt a CCD that AOI is carried out the selectivity shooting, perhaps adopt 16 CCD that the universe image is carried out universe shooting (ginseng Fig. 2, Fig. 3); Rear end AOI digitlization cradle head control module is controlled according to the quantity of CCD, if a CCD then through the photosensitive control of control CCD to AOI, realizes shooting and coding transmission to single AOI; If universe CCD then carries out the universe shooting to the universe image earlier, rear end elder generation carries out AOI to the universe image to be cut apart, and then the AOI image of cutting apart is carried out coding transmission (ginseng Fig. 4).The AOI view data finally is transferred to graphic display terminal.
Like this, through method of the present invention, under the situation of not using the traditional mechanical The Cloud Terrace to rotate, adopt electronic control mode just can realize universe shooting or AOI shooting to whole meeting room zone.
Obviously, in the above-described embodiments, it also is feasible adopting cmos device to replace CCD.In addition, in AOI image data transmission process,, can carry out operations such as encoding compression to it in order to dwindle the transmission quantity of data.
Camera lens among the embodiment also can only adopt a wide-angle lens, as long as this wide-angle lens can satisfy the covering in AOI territory.
Imageing sensor of the prior art comprises CCD and CMOS, for possible new imageing sensor in future, as long as it can satisfy the function of imageing sensor described in the present invention, obviously also is applicable to system and method according to the invention.
Claims (10)
1. a shooting control system is characterized in that, comprising: lens array; Image sensor array; Graphic display terminal; AOI digitlization cradle head control module;
Said lens array covers the universe scope, is used for universe or AOI zone are carried out the optics shooting;
The optics image pickup signal that said image sensor array is used for said lens array is obtained is converted into data image signal;
Said AOI digitlization cradle head control module is sent mutual control command; In order to control said image sensor array and lens array AOI or universe scope are carried out image data acquiring, choose the view data in AOI zone then and it is sent to graphic display terminal;
Said graphic display terminal is used to show the AOI image.
2. shooting control system as claimed in claim 1 is characterized in that, said imageing sensor is CCD or CMOS.
3. shooting control system as claimed in claim 1 is characterized in that said image sensor array comprises one or more imageing sensors, and this array covers the universe scope or only covers the AOI zone.
4. shooting control system as claimed in claim 1; It is characterized in that, before the AOI image is sent to graphic display terminal, the AOI view data is carried out encoding compression; When the data arrives graphic display terminal, again it is decoded, on graphic display terminal, show the AOI image then.
5. a camera shooting control method is characterized in that, comprises the steps:
A. make up lens array, set up universe shooting passage;
B. make up image sensor array, set up the photosensitive camera in universe or AOI territory;
C. carry out AOI or universe IMAQ, the view data that collects is handled, then the AOI view data is sent to graphic display terminal.
6. camera shooting control method as claimed in claim 5 is characterized in that, said steps A comprises:
The universe scope of A1. making a video recording as required and the image pickup scope of single lens are judged the quantity of required camera lens, and are selected required camera lens;
A2. selected camera lens is spliced, set up lens array, realize covering the universe scope;
A3. set up control to lens array.
7. camera shooting control method as claimed in claim 5 is characterized in that, said step B comprises:
B1. according to the concrete scope of lens array and the area of universe or AOI, judge the quantity of required imageing sensor and select required imageing sensor;
B2. selected imageing sensor is spliced, set up universe or AOI zone bearing member, image sensor array, its scope will cover universe or AOI zone;
B3. set up control, make it can receive control command, realize photosensitive camera universe or AOI territory to image sensor array.
8. camera shooting control method as claimed in claim 5 is characterized in that, said step C comprises:
C1. according to control command, control chart image-position sensor and camera lens are precisely located AOI zone or universe and are covered;
C2. with imageing sensor made a video recording in AOI zone or universe, collect AOI image or universe image;
C3. the AOI image or the universe image that collect are handled:, obtain the AOI image if the universe image is then cut apart the universe image earlier; Then the AOI image is carried out encoding compression, transmission, decoding and show at graphic display terminal.
9. camera shooting control method as claimed in claim 5 is characterized in that said lens array is made up of a plurality of common lens or wide-angle lens; Perhaps, said lens array only comprises 1 wide-angle lens.
10. camera shooting control method as claimed in claim 5 is characterized in that said image sensor array is made up of a plurality of imageing sensors; Perhaps, said image sensor array only by 1 on a large scale CCD form.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103950750A CN102497504A (en) | 2011-12-02 | 2011-12-02 | Camera shooting control system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103950750A CN102497504A (en) | 2011-12-02 | 2011-12-02 | Camera shooting control system and control method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101042456A (en) * | 2006-03-24 | 2007-09-26 | 鸿富锦精密工业（深圳）有限公司 | Lens module group |
| CN101206376A (en) * | 2006-12-18 | 2008-06-25 | 上海乐金广电电子有限公司 | Microminiature camera module for assembling machinery aperture and shutter |
| CN101312526A (en) * | 2008-06-26 | 2008-11-26 | 天津市亚安科技电子有限公司 | Full-view cooperative video monitoring apparatus and full-view image splicing method |
| CN102025900A (en) * | 2009-09-18 | 2011-04-20 | 鸿富锦精密工业（深圳）有限公司 | Panoramic camera and target panoramic image monitoring method thereof |
| CN102196241A (en) * | 2010-03-18 | 2011-09-21 | 鸿富锦精密工业（深圳）有限公司 | System and method for monitoring images |
-
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- 2011-12-02 CN CN2011103950750A patent/CN102497504A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042456A (en) * | 2006-03-24 | 2007-09-26 | 鸿富锦精密工业（深圳）有限公司 | Lens module group |
| CN101206376A (en) * | 2006-12-18 | 2008-06-25 | 上海乐金广电电子有限公司 | Microminiature camera module for assembling machinery aperture and shutter |
| CN101312526A (en) * | 2008-06-26 | 2008-11-26 | 天津市亚安科技电子有限公司 | Full-view cooperative video monitoring apparatus and full-view image splicing method |
| CN102025900A (en) * | 2009-09-18 | 2011-04-20 | 鸿富锦精密工业（深圳）有限公司 | Panoramic camera and target panoramic image monitoring method thereof |
| CN102196241A (en) * | 2010-03-18 | 2011-09-21 | 鸿富锦精密工业（深圳）有限公司 | System and method for monitoring images |
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Application publication date: 20120613 |