CN102595054A - Video switching method and video switching device for matrix - Google Patents
Video switching method and video switching device for matrix Download PDFInfo
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- CN102595054A CN102595054A CN2012100384229A CN201210038422A CN102595054A CN 102595054 A CN102595054 A CN 102595054A CN 2012100384229 A CN2012100384229 A CN 2012100384229A CN 201210038422 A CN201210038422 A CN 201210038422A CN 102595054 A CN102595054 A CN 102595054A
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Abstract
The invention discloses a video switching method for a matrix. The method comprises the following steps of: S1, receiving at least one piece of input video information, wherein the video information includes the corresponding monitoring channel number; S2, capturing the channel number; S3, searching the monitoring device number corresponding to the channel number; S4, outputting the video corresponding to the monitoring device number. The invention further discloses a video switching device for a matrix. With the video switching method and the video switching device, each monitor can call any front-end video camera signal to display the signal thereon, and a matrix switching microcomputer control host not only brings convenience for users, but also reduces the cost.
Description
Technical field
The present invention relates to matrix monitoring field, particularly a kind of video switching method and device that is used for matrix.
Background technology
Supervisory control system is one of the maximum system that uses in the safety-protection system, and supervisory control system generally is made up of front-end camera and back-end software system, and monitoring type has: exchanges of technology such as IP monitoring, remote monitoring, network monitoring, video conference.
Monitoring does not refer to closed-circuit TV monitoring system merely, adds rear end equipment main frame (DVR, IP-SAN, matrix etc.) and forms but the supervisory control system system that says on the traditional sense adds middle-end equipment (optical transceiver, network video server etc.) by front-end camera (comprising: dome type camera, thermal camera, all-in-one etc.).
The tradition surveillance equipment, video camera of front end will connect a monitor leading portion vision signal will be monitored, if front-end camera is many, that supporting monitor no doubt can be a lot, so not only make engineering complicated, and its cost also can be very high.
Summary of the invention
In order to solve above technical problem, the present invention provides a kind of video switching method and device that is used for matrix.
The invention discloses a kind of video switching method that is used for matrix, comprising:
S1. receive at least one video information of input, described video information comprises the passage number of corresponding monitoring;
S2. grasp described passage number;
S3. search the corresponding watch-dog number of described passage number;
S4. export the corresponding video of described watch-dog number.
At the video switching method that is used for matrix of the present invention, also comprise step S11 between step S1 and step S2, described video information is amplified.
At the video switching method that is used for matrix of the present invention, also comprise step S5 behind the step S4, overlaying character in described video.
At the video switching method that is used for matrix of the present invention, described video information also comprises the number information of at least one video camera.
The invention discloses a kind of video switching device that is used for matrix, be used to realize above-mentioned method, comprising:
The video information input unit: be used to receive at least one video information of input, described video information comprises the passage number of corresponding monitoring;
Passage number placement unit: link to each other with described video information input unit, be used to grasp described passage number;
Watch-dog number searching unit: link to each other with described passage number placement unit, be used to search the corresponding watch-dog number of described passage number;
Monitor video output unit: link to each other with described watch-dog number searching unit, be used to export the corresponding video of described watch-dog number.
At the video switching device that is used for matrix of the present invention, also comprise the video information amplifying unit, link to each other with described video information input unit, be used for described video information is amplified.
At the video switching device that is used for matrix of the present invention, also comprise the character superpositing unit, link to each other with described monitor video output unit, be used at described video overlaying character.
At the video switching device that is used for matrix of the present invention, described video information also comprises the number information of at least one video camera.
A kind of video switching method and device that is used for matrix of embodiment of the present invention has following beneficial technical effects:
Any camera signal that each monitor can both call front end shows that above that matrix switches the system controlled by computer main frame has not only brought convenience for the user, and has reduced cost.
Description of drawings
Fig. 1 is a kind of flow chart that is used for the video switching method of matrix of the embodiment of the invention;
Fig. 2 is a kind of block diagram that is used for the video switching device of matrix of the embodiment of the invention.
Embodiment
By specifying technology contents of the present invention, structural feature, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
See also Fig. 1, a kind of video switching method that is used for matrix comprises:
S1. receive at least one video information of input, described video information comprises the passage number of corresponding monitoring; Described video information also comprises the number information of video camera.
In supervisory control system, the transmission of closed monitor system video information is a vital link of whole system, selects which kind of medium and equipment transmission video image and other control signal will be directly connected to the q&r of supervisory control system.
Preferably, this flow chart also has step S11. described video information is amplified.
Why amplify, be because:
If during hypertelorism or video transmission line attenuation when too big, operation keyboard can't carry out remote control to video camera (comprising camera lens) and The Cloud Terrace through decoder.Control signal decay is too big, the control signal that decoder receives too a little less than.At this moment should on certain distance, install the relaying box additional to amplify the shaping control signal, cause the picture contrast of monitor too little, image is light.
S2. grasp described passage number;
S3. search the corresponding watch-dog number of described passage number;
S4. export the corresponding video of described watch-dog number.
Video camera is through special-purpose coaxial cable outputting video signal.Coaxial cable is connected to the specialized simulation video equipment, like video pictures dispenser, matrix, switch, cassette tape formula video tape recorder (VCR) and video-frequency monitor etc.
S5. overlaying character in described video.
See also Fig. 2; A kind of video switching device that is used for matrix comprises: video information input unit 10, video information amplifying unit 15, passage number placement unit 20, watch-dog number searching unit 30, monitor video output unit 40, character superpositing unit 50.
Video information input unit 10: be used to receive at least one video information of input, described video information comprises the passage number of corresponding monitoring; Video information also comprises the number information of video camera.
Preferably, this device also has video information amplifying unit 15: link to each other with video information input unit 10, be used for described video information is amplified.
Passage number placement unit 20: link to each other with video information input unit 10 and/or video information amplifying unit 15, be used to grasp described passage number;
Watch-dog number searching unit 30: link to each other with passage number placement unit 20, be used to search the corresponding watch-dog number of described passage number;
Monitor video output unit 40: link to each other with watch-dog number searching unit 30, be used to export the corresponding video of described watch-dog number.
Character superpositing unit 50 links to each other with monitor video output unit 40, is used at described video overlaying character.
Promptly; Essence of the present invention is: accept a lot of camera signals of front end; Control through microprocessor; Front end is inserted the vision signal of input module and on any road of output module, export without any confusion, promptly every road vision signal of input module can both be through microprocessor control, and output gets into monitor on specific output module.The utilization matrix switches the system controlled by computer main frame makes the monitor quantity of rear end reduce, and its each monitor can both call any camera signal of front end and shows that above that matrix switches the system controlled by computer main frame and also on vision signal, added the character overlaying function; Increased the function of many hommizations; Program is switched, and switches synchronously, and group switches; Ball machine controlled function and warning function, matrix switch the system controlled by computer main frame and have brought convenience and reduced cost to the user.
A kind of video switching method and device that is used for matrix of embodiment of the present invention has following beneficial technical effects:
Any camera signal that each monitor can both call front end shows that above that matrix switches the system controlled by computer main frame has not only brought convenience for the user, and has reduced cost.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within protection scope of the present invention.
Claims (8)
1. a video switching method that is used for matrix is characterized in that, comprising:
S1. receive at least one video information of input, described video information comprises the passage number of corresponding monitoring;
S2. grasp described passage number;
S3. search the corresponding watch-dog number of described passage number;
S4. export the corresponding video of described watch-dog number.
2. the video switching method that is used for matrix according to claim 1 is characterized in that, also comprises step S11 between step S1 and step S2, and described video information is amplified.
3. the video switching method that is used for matrix according to claim 1 is characterized in that, also comprises step S5, overlaying character in described video behind the step S4.
4. the video switching method that is used for matrix according to claim 1 is characterized in that described video information also comprises the number information of at least one video camera.
5. a video switching device that is used for matrix is used to realize the described method of claim 1, it is characterized in that, comprising:
The video information input unit: be used to receive at least one video information of input, described video information comprises the passage number of corresponding monitoring;
Passage number placement unit: link to each other with described video information input unit, be used to grasp described passage number;
Watch-dog number searching unit: link to each other with described passage number placement unit, be used to search the corresponding watch-dog number of described passage number;
Monitor video output unit: link to each other with described watch-dog number searching unit, be used to export the corresponding video of described watch-dog number.
6. the video switching device that is used for matrix according to claim 5 is characterized in that, also comprises the video information amplifying unit, links to each other with described video information input unit, is used for described video information is amplified.
7. the video switching device that is used for matrix according to claim 5 is characterized in that, also comprises the character superpositing unit, links to each other with described monitor video output unit, is used at described video overlaying character.
8. the video switching device that is used for matrix according to claim 5 is characterized in that described video information also comprises the number information of at least one video camera.
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| CN2012100384229A CN102595054A (en) | 2012-02-20 | 2012-02-20 | Video switching method and video switching device for matrix |
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| CN2012100384229A CN102595054A (en) | 2012-02-20 | 2012-02-20 | Video switching method and video switching device for matrix |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107682667A (en) * | 2017-09-22 | 2018-02-09 | 北京嗨动视觉科技有限公司 | Video processor and multisignal source premonitoring method |
| CN108270758A (en) * | 2017-01-03 | 2018-07-10 | 中国移动通信有限公司研究院 | A kind of method for processing video frequency and device |
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| CN101873439A (en) * | 2010-01-20 | 2010-10-27 | 杭州海康威视数字技术股份有限公司 | Method, system and decoder for switching monitoring channel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108270758A (en) * | 2017-01-03 | 2018-07-10 | 中国移动通信有限公司研究院 | A kind of method for processing video frequency and device |
| CN108270758B (en) * | 2017-01-03 | 2020-10-16 | 中国移动通信有限公司研究院 | Video processing method and device |
| CN107682667A (en) * | 2017-09-22 | 2018-02-09 | 北京嗨动视觉科技有限公司 | Video processor and multisignal source premonitoring method |
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Application publication date: 20120718 |