CN105491340A - System and method of processing of video monitoring images - Google Patents
System and method of processing of video monitoring images Download PDFInfo
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- CN105491340A CN105491340A CN201511014549.7A CN201511014549A CN105491340A CN 105491340 A CN105491340 A CN 105491340A CN 201511014549 A CN201511014549 A CN 201511014549A CN 105491340 A CN105491340 A CN 105491340A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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Abstract
The present invention relates to a system and method of processing of video monitoring images. The system provided by the invention comprises n video acquisition devices, wherein n is a positive integer, and each video acquisition device is connected with one analog-digital conversion unit; the analog-digital conversion unit is connected with the input end of an image receiver, the output end of the image receiver is connected with a system bus, and one end of the system bus is connected with the input end of an image correction unit and the input end of an image splicing unit. The output end of the image splicing unit is connected with the analog-digital conversion unit, and the analog-digital conversion unit is connected with a display. According to the invention, video signals having partial overlapped scenes and being outputted by a multipath camera may be subjected to space matching alignment and may be seamlessly spliced to be a video with a wide scene on the path, and spliced low distortion video signals are directly outputted in a display to realize the visual real-time monitoring with a wide angle. The image splicing method provided by the invention is simple and easy, and the complexity and the cost of the engineering are greatly reduced.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to a kind of video monitoring image treatment system and processing method.
Background technology
Along with developing rapidly of video monitoring, market application is constantly expanded to the degree of depth, range, facilitates the rapid advances of Video Supervision Technique.In order to meet the market demand can seeing monitoring scene widely simultaneously, wide-angle and panoramic video monitoring technique are developed rapidly.The wide-angle lens used in prior art, fish eye lens can cause picture torsional deformation, particularly fish eye lens, needing the video image to exporting effectively launch and process, just obtaining the tiling image of human eye custom.The price of this series products is high, image distortion degree is comparatively large, though through effectively processing image, image wrapping distortion still more clearly.Though ball-shaped camera can realize the scene video monitoring within the scope of wide viewing angle, but which can not be monitored at whole objects of synchronization to guarded region, there is vision dead zone.Adopt the panoramic camera that many camera lenses splice, it uses the common camera of multiple distribution different angles to gather video simultaneously, obtain omnibearing vision signal in guarded region, each camera output signal of most products is independent of one another, user can only observe directly the image of certain angle, can not situation in whole guarded region directly perceived, multi-channel video transmits the complexity and cost that also add engineering simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of video monitoring image treatment system and processing method, the vision signal that there is part scenery overlap that multi-path camera exports can be carried out spatial match aligning in real time, then seamless spliced one-tenth one is had a lot of social connections the video of scene, a display directly exports spliced low distortion vision signal, realizes broad angle and monitor in real time intuitively.
For solving the problems of the technologies described above, the present invention relates to a kind of video monitoring image treatment system, comprise n video acquisition device, n is positive integer, each video acquisition device connects an AD conversion unit, described AD conversion unit connects the input of picture receiver, the output connected system bus of described picture receiver, one end input of connection layout as amending unit and input of image mosaic unit respectively of described system bus, the other end of system bus connects RAM memory, the input connection layout of described image mosaic unit is as the output of amending unit, the output of described image mosaic unit connects D/A conversion unit, described D/A conversion unit connects display.
Preferably, described image mosaic unit comprises multi-path constant digital-to-analogue block, picture creation module, subregion determination module and Xin Tu image-forming module.
Preferably, described system bus connects a network communications port.
Preferably, described image mosaic unit connects an image compression unit, and described image compression unit connects a memory.
The present invention provides a kind of processing method of video monitoring image simultaneously, comprises the steps
1) obtain multi-channel video signal by multi-channel video capturing device, vision signal converts digital signal to through analog to digital converter and enters picture receiver;
2) vision signal is temporarily stored in RAM by system bus by picture receiver, and carry out a certain two field picture on same time multi-path acquisition device by image correction device and process, and superimposed image duplicate removal is strengthened;
3) each two field picture of same time carries out image mosaic after treatment, the determination of advanced way, then image is created, image size after establishment is spliced in the same size with multiway images, then a point Division is carried out to the image created, each two field picture is put into corresponding region, forms new image;
4) spliced image is through D/A conversion unit, converts vision signal to and is presented on the display of connection.
Preferably, described system bus can also connect a network communication interface, carries out resource-sharing with mobile terminal.
Preferably, spliced image carries out compression process, is then stored on external memory storage, takes up room little after compression, convenient storage, needs to decompress during viewing.
Beneficial effect of the present invention is: the vision signal that there is part scenery overlap that multi-path camera exports can be carried out spatial match aligning in real time, then seamless spliced one-tenth one is had a lot of social connections the video of scene, a display directly exports spliced low distortion vision signal, realizes broad angle and monitor in real time intuitively; Image split-joint method of the present invention is simple, substantially reduces engineering complexity and cost.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the horizontal mode of 4 road video images in the embodiment of the present invention;
Fig. 3 is the vertical array mode of 4 road video images in the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.
See Fig. 1, the present invention relates to a kind of video monitoring image treatment system, comprise n video acquisition device, n is positive integer, each video acquisition device connects an AD conversion unit, AD conversion unit connects the input of picture receiver, the output connected system bus of picture receiver, one end input of connection layout as amending unit and input of image mosaic unit respectively of system bus.The output of image mosaic unit connects D/A conversion unit, and D/A conversion unit connects display.Image mosaic unit comprises multi-path constant digital-to-analogue block, picture creation module, subregion determination module and Xin Tu image-forming module.
The other end of system bus connects RAM memory, the input connection layout of image mosaic unit as the output of amending unit,
System bus connects a network communications port, can carry out resource-sharing with mobile terminal.。
Image mosaic unit connects an image compression unit, and image compression unit connects a memory.Spliced image carries out compression process, is then stored on external memory storage, takes up room little after compression, convenient storage, needs to decompress during viewing.
The present invention provides a kind of processing method of video monitoring image simultaneously, comprises the steps: to obtain multi-channel video signal by multi-channel video capturing device, and vision signal converts digital signal to through analog to digital converter and enters picture receiver; Vision signal is temporarily stored in RAM by system bus by picture receiver, and carry out a certain two field picture on same time multi-path acquisition device by image correction device and process, and superimposed image duplicate removal is strengthened; Each two field picture of same time carries out image mosaic after treatment, the determination of advanced way, then image is created, image size after establishment is spliced in the same size with multiway images, then a point Division is carried out to the image created, each two field picture is put into corresponding region, forms new image; Spliced image, through D/A conversion unit, converts vision signal to and is presented on the display of connection.
For 4 road video acquisition devices, the image size on each road is 2K1K, after 4 road video images are processed respectively, image mosaic unit creates the blank image of a zoning 2*2, each area size is 2K1K, the overall size of new images is 4K2K, 4 road images after process is put into blank image according to transversely arranged or vertically disposed mode, forms the large image that a width is new.
Be more than better embodiment of the present invention, but protection scope of the present invention is not limited thereto.Any those of ordinary skill in the art are in the technical scope disclosed by the present invention, and the conversion expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore the protection range that protection scope of the present invention should limit with claim is as the criterion.
Claims (7)
1. a video monitoring image treatment system, it is characterized in that: comprise n video acquisition device, n is positive integer, each video acquisition device connects an AD conversion unit, described AD conversion unit connects the input of picture receiver, the output connected system bus of described picture receiver, one end input of connection layout as amending unit and input of image mosaic unit respectively of described system bus, the other end of system bus connects RAM memory, the input connection layout of described image mosaic unit is as the output of amending unit, the output of described image mosaic unit connects D/A conversion unit, described D/A conversion unit connects display.
2. video monitoring image treatment system as claimed in claim 1, is characterized in that: described image mosaic unit comprises multi-path constant digital-to-analogue block, picture creation module, subregion determination module and Xin Tu image-forming module.
3. video monitoring image treatment system as claimed in claim 2, is characterized in that: described system bus connects a network communications port.
4. video monitoring image treatment system as claimed in claim 2 and processing method, is characterized in that: described image mosaic unit connects an image compression unit, and described image compression unit connects a memory.
5. application rights requires a video monitoring image processing method for system described in 4, it is characterized in that: comprise the steps
Obtain multi-channel video signal by multi-channel video capturing device, vision signal converts digital signal to through analog to digital converter and enters picture receiver;
Vision signal is temporarily stored in RAM by system bus by picture receiver, and carry out a certain two field picture on same time multi-path acquisition device by image correction device and process, and superimposed image duplicate removal is strengthened;
Each two field picture of same time carries out image mosaic after treatment, the determination of advanced way, then image is created, image size after establishment is spliced in the same size with multiway images, then a point Division is carried out to the image created, each two field picture is put into corresponding region, forms new image;
Spliced image, through D/A conversion unit, converts vision signal to and is presented on the display of connection.
6. video monitoring image processing method as claimed in claim 5, is characterized in that: described system bus can also connect a network communication interface, carries out resource-sharing with mobile terminal.
7. video monitoring image processing method as claimed in claim 5, is characterized in that: spliced image carries out compression process, is then stored on external memory storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511014549.7A CN105491340A (en) | 2015-12-31 | 2015-12-31 | System and method of processing of video monitoring images |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511014549.7A CN105491340A (en) | 2015-12-31 | 2015-12-31 | System and method of processing of video monitoring images |
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| CN105491340A true CN105491340A (en) | 2016-04-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937089A (en) * | 2017-04-01 | 2017-07-07 | 罗旗舞 | A kind of video capture device and method |
| CN109672859A (en) * | 2018-12-13 | 2019-04-23 | 中国航空工业集团公司上海航空测控技术研究所 | A kind of analog video monitoring system for civil aircraft |
| CN110233990A (en) * | 2019-05-28 | 2019-09-13 | 深圳市奥德兰科技有限公司 | A kind of method and apparatus of underwater wireless high definition photography |
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| US20040218093A1 (en) * | 1997-03-03 | 2004-11-04 | Hayder Radha | Seamless splicing of MPEG-2 multimedia data streams |
| CN102724477A (en) * | 2012-05-25 | 2012-10-10 | 黑龙江大学 | Device and method for carrying out real-time splicing on surveillance videos based on FPGA (field programmable gata array) |
| CN103297668A (en) * | 2012-02-29 | 2013-09-11 | 深圳市振华微电子有限公司 | Panoramic video image recording system and method |
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2015
- 2015-12-31 CN CN201511014549.7A patent/CN105491340A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040218093A1 (en) * | 1997-03-03 | 2004-11-04 | Hayder Radha | Seamless splicing of MPEG-2 multimedia data streams |
| CN103297668A (en) * | 2012-02-29 | 2013-09-11 | 深圳市振华微电子有限公司 | Panoramic video image recording system and method |
| CN102724477A (en) * | 2012-05-25 | 2012-10-10 | 黑龙江大学 | Device and method for carrying out real-time splicing on surveillance videos based on FPGA (field programmable gata array) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937089A (en) * | 2017-04-01 | 2017-07-07 | 罗旗舞 | A kind of video capture device and method |
| CN109672859A (en) * | 2018-12-13 | 2019-04-23 | 中国航空工业集团公司上海航空测控技术研究所 | A kind of analog video monitoring system for civil aircraft |
| CN110233990A (en) * | 2019-05-28 | 2019-09-13 | 深圳市奥德兰科技有限公司 | A kind of method and apparatus of underwater wireless high definition photography |
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Application publication date: 20160413 |
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