CN106131509A - A kind of video monitoring system and its implementation - Google Patents

A kind of video monitoring system and its implementation Download PDF

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Publication number
CN106131509A
CN106131509A CN201610727341.8A CN201610727341A CN106131509A CN 106131509 A CN106131509 A CN 106131509A CN 201610727341 A CN201610727341 A CN 201610727341A CN 106131509 A CN106131509 A CN 106131509A
Authority
CN
China
Prior art keywords
video signal
described
data
digital video
monitoring system
Prior art date
Application number
CN201610727341.8A
Other languages
Chinese (zh)
Inventor
温九江
袁松平
Original Assignee
广西小草信息产业有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广西小草信息产业有限责任公司 filed Critical 广西小草信息产业有限责任公司
Priority to CN201610727341.8A priority Critical patent/CN106131509A/en
Publication of CN106131509A publication Critical patent/CN106131509A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4408Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/4425Monitoring of client processing errors or hardware failure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed circuit television systems, i.e. systems in which the signal is not broadcast

Abstract

The present invention relates to a kind of video monitoring system and its implementation.This video monitoring system includes: data acquisition module, data processing module and monitoring module;Data processing module includes data storage cell, D/A conversion unit and DEU data encryption unit;Monitoring module includes AD conversion unit and data decryption unit;Data acquisition module is for gathering digital video signal and the digital video signal collected being sent to data processing module;Data processing module is for being analyzed digital video signal or by video signal transmission to monitoring module or transmission alarm command to monitoring module;Monitoring module is used for receiving video signal or receiving alarm command or monitor digital video signal in real time.The video image number collected is analyzed processing by the present invention, investigates the video image gone wrong for staff, and is encrypted the video signal of transmission, it is ensured that the safety of video signal.

Description

A kind of video monitoring system and its implementation

Technical field

The present invention relates to monitor technical field, particularly to a kind of video monitoring video monitoring system and its implementation.

Background technology

Video monitoring is the important component part of safety and protection system, and it is the integrated system that a kind of prevention ability is stronger. Video monitoring is directly perceived with it, accurate, abundant with information content in time and is widely used in many occasions.In recent years, along with calculating Machine, network and image procossing, the developing rapidly of transmission technology, Video Supervision Technique there has also been significant progress.Video monitoring Itself being the detection means of a kind of active, it is different from the mode of general light intensity detection, is the detection directly to target, simultaneously, It can associate multiple result of detections, judges accurately, therefore, and the best means of real-time dynamic monitoring.But it is real Time monitoring time, staff monitor for a long time easily occurs carelessness, it is impossible to find the monitoring region gone wrong timely, afterwards Carry out playback again and may have resulted in irremediable loss, and the safety of data in monitor video data transmission procedure Also can not be ignored.

Summary of the invention

The technical problem to be solved is to provide a kind of video monitoring system and its implementation, solves video counts According to the monitoring region that cannot determine generation problem in transmission safety problem and monitoring in real time in time.

The technical scheme is that the implementation method of a kind of video monitoring system, including Following steps:

Step 1. gathers digital video signal;

After the digital video signal collected is analyzed by step 2., the digital video signal collected is carried out digital-to-analogue It is encrypted according to the encryption rule automatically generated after being converted to analog video signal;

Step 3. carries out analog digital conversion after reversely being deciphered by described encryption rule by the analog video signal after encrypted Digital video signal also stores;

Described digital video signal is monitored by step 4. in real time, terminates.

The invention has the beneficial effects as follows: the video image number collected is analyzed processing, for staff by the present invention The video image that investigation goes wrong, with the work reduced a staff, and is encrypted, not the video signal of transmission In the case of affecting signal quality, it is ensured that the safety of video signal.

On the basis of technique scheme, the present invention can also do following improvement.

Further, the video signal collected is analyzed including by step 2: select from described digital video signal Take target, the behavior characteristics of described target is contrasted with specific behavior feature, it is judged that the behavior of target is the most abnormal, when sending out During raw exception, send alarm command.

Further, the encryption rule automatically generated described in step 2 includes stochastic generation and the digital video letter collected Number array that line number is equal, comprises the integer data of random amount in described array, will by the integer data in described array The video signal corresponding row data received carry out segmentation, rearrange after segmentation.

The encryption rule data corresponding to every a line video signal are all to use above-mentioned further scheme to provide the benefit that Stochastic generation, it is ensured that can effectively ensure that the safety of signal.

Present invention also offers a kind of video monitoring system, including data acquisition module, data processing module and monitoring mould Block;Described data processing module includes D/A conversion unit and DEU data encryption unit;Described monitoring module includes analog digital conversion list Unit and data decryption unit;

Described data acquisition module is for gathering digital video signal and the digital video signal collected being sent to number According to processing module;

Described data processing module is for receiving the digital video signal that data acquisition module sends, and believes digital video After number being analyzed, call D/A conversion unit and DEU data encryption unit and digital video signal is carried out digital-to-analogue conversion and encryption After, by video signal transmission to monitoring module or send alarm command to monitoring module;

Described D/A conversion unit is for being converted to analog video signal by digital video signal;

Described DEU data encryption unit is used for automatically generating encryption rule and being encrypted by signal;

Described monitoring module is for receiving the video signal that data processing module sends, and calls AD conversion unit sum After described video signal being carried out analog digital conversion and deciphering according to decryption unit, video signal is monitored in real time or receives data The alarm command that processing module sends;

Described AD conversion unit is for being converted to digital video signal by analog video signal;

Described data decryption unit is for reversely being deciphered encrypted signal by described encryption rule.

Further, described data processing module includes data storage cell, is used for storing video signal and specific behavior is special Reference ceases.

Further, described monitoring module includes warning devices, is used for sending alarm.

Further, described warning devices includes buzzer and/or display lamp.

Further, it is equal with the video signal line number collected that the encryption rule automatically generated described in includes stochastic generation Array, comprises the integer data of random amount in described array, the video that will be received by the integer data in described array Signal corresponding row data carry out segmentation, rearrange after segmentation.

Further, described data processing module is for being analyzed including to digital video signal: from described digital video Signal is chosen target, the behavior characteristics of described target is contrasted with specific behavior feature, it is judged that whether the behavior of target Abnormal, when an exception occurs, send alarm command.

Accompanying drawing explanation

Fig. 1 is the implementation method flow chart of a kind of video monitoring system of the present invention;

Fig. 2 is that the present invention is analyzed flow chart to digital video signal;

Fig. 3 is the structural representation of a kind of video monitoring system of the present invention.

Detailed description of the invention

Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and Non-for limiting the scope of the present invention.

As it is shown in figure 1, the implementation method of a kind of video monitoring system, comprise the following steps:

Step 1. gathers digital video signal;

After the digital video signal collected is analyzed by step 2., the digital video signal collected is carried out digital-to-analogue It is encrypted according to the encryption rule automatically generated after being converted to analog video signal;

Step 3. carries out analog digital conversion after reversely being deciphered by described encryption rule by the analog video signal after encrypted Digital video signal also stores;

Described digital video signal is monitored by step 4. in real time, terminates.

The video signal collected is analyzed including by step 2: from described digital video signal, choose target, The behavior characteristics of described target is contrasted with specific behavior feature, it is judged that the behavior of target is the most abnormal, abnormal when occurring Time, send alarm command.

As in figure 2 it is shown, the encryption rule automatically generated described in step 2 includes stochastic generation and the digital video collected The array that signal line number is equal, comprises the integer data of random amount in described array, by the integer data in described array The video signal corresponding row data received are carried out segmentation, rearranges after segmentation.

Present invention also offers a kind of video monitoring system, as it is shown on figure 3, this video monitoring system includes: data acquisition Module, data processing module and monitoring module;Described data processing module includes D/A conversion unit and DEU data encryption unit;Institute State monitoring module and include AD conversion unit and data decryption unit;

Described data acquisition module is for gathering digital video signal and the digital video signal collected being sent to number According to processing module;

Described data processing module is for receiving the digital video signal that data acquisition module sends, and believes digital video After number being analyzed, call D/A conversion unit and DEU data encryption unit and digital video signal is carried out digital-to-analogue conversion and encryption After, by video signal transmission to monitoring module or send alarm command to monitoring module;

Described D/A conversion unit is for being converted to analog video signal by digital video signal;

Described DEU data encryption unit is used for automatically generating encryption rule and being encrypted by signal;

Described monitoring module is for receiving the video signal that data processing module sends, and calls AD conversion unit sum After described video signal being carried out analog digital conversion and deciphering according to decryption unit, video signal is monitored in real time or receives data The alarm command that processing module sends;

Described AD conversion unit is for being converted to digital video signal by analog video signal;

Described data decryption unit is for reversely being deciphered encrypted signal by described encryption rule.

Described data processing module includes data storage cell, is used for storing video signal and specific behavior characteristic information.

Described monitoring module includes warning devices, is used for sending alarm.

Described warning devices includes buzzer and/or display lamp.

The described encryption rule the automatically generated array that to include stochastic generation equal with the video signal line number collected, institute State the integer data comprising random amount in array, by the integer data in described array by corresponding for the video signal received Row data carry out segmentation, rearrange after segmentation.

Described data processing module is for being analyzed including to digital video signal: select from described digital video signal Take target, the behavior characteristics of described target is contrasted with specific behavior feature, it is judged that the behavior of target is the most abnormal, when sending out During raw exception, send alarm command.

Embodiment: by logging in monitoring device, different scenes is monitored, the video that monitoring device collection is returned View data is sent to data processing module, and data processing module chooses target from the vedio data that collection is returned, will The target behavior chosen contrasts with the behavior characteristics of storage in data memory module, abnormal when judging that target behavior occurs Time, transmission alarm command, to monitoring module, sends alarm, and staff judges the monitoring device collection of which panel region by alarm Arrive dystropic target, the region collecting dystropic target place can have been observed emphatically, reduce a staff Workload.

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (9)

1. the implementation method of a video monitoring system, it is characterised in that comprise the following steps:
Step 1. gathers digital video signal;
After the digital video signal collected is analyzed by step 2., the digital video signal collected is carried out digital-to-analogue conversion For being encrypted according to the encryption rule automatically generated after analog video signal;
Step 3. carries out analog digital conversion by described encryption rule for numeral after reversely being deciphered by the analog video signal after encrypted Video signal also stores;
Described digital video signal is monitored by step 4. in real time, terminates.
The implementation method of a kind of video monitoring system the most according to claim 1, it is characterised in that in step 2 to adopting Collect to video signal be analyzed including: from described digital video signal, choose target, by the behavior characteristics of described target Contrast with specific behavior feature, it is judged that the behavior of target is the most abnormal, when an exception occurs, sends alarm command.
The implementation method of a kind of video monitoring system the most according to claim 1, it is characterised in that described in step 2 certainly The dynamic encryption rule the generated array that to include stochastic generation equal with the digital video signal line number collected, wraps in described array The video signal corresponding row data received are carried out by the integer data containing random amount by the integer data in described array Segmentation, rearranges after segmentation.
4. a video monitoring system, it is characterised in that include data acquisition module, data processing module and monitoring module;Institute State data processing module and include D/A conversion unit and DEU data encryption unit;Described monitoring module includes AD conversion unit sum According to decryption unit;
Described data acquisition module is for gathering digital video signal and being sent at data by the digital video signal collected Reason module;
Described data processing module is for receiving the digital video signal that data acquisition module sends, and enters digital video signal Row analyze after, call D/A conversion unit and DEU data encryption unit digital video signal is carried out digital-to-analogue conversion and encryption after, will Video signal transmission is to monitoring module or sends alarm command to monitoring module;
Described D/A conversion unit is for being converted to analog video signal by digital video signal;
Described DEU data encryption unit is used for automatically generating encryption rule and being encrypted by signal;
Described monitoring module is for receiving the video signal that data processing module sends, and calls AD conversion unit and data solution After close unit carries out analog digital conversion and deciphering to described video signal, video signal monitors or receives data in real time and processes The alarm command that module sends;
Described AD conversion unit is for being converted to digital video signal by analog video signal;
Described data decryption unit is for reversely being deciphered encrypted signal by described encryption rule.
A kind of video monitoring system the most according to claim 4, it is characterised in that described data processing module includes data Memory element, is used for storing video signal and specific behavior characteristic information.
A kind of video monitoring system the most according to claim 4, it is characterised in that described monitoring module includes that alarm fills Put, be used for sending alarm.
A kind of video monitoring system the most according to claim 6, it is characterised in that described warning devices includes buzzer And/or display lamp.
A kind of video monitoring system the most according to claim 4, it is characterised in that described in the encryption rule bag that automatically generates The array that the video signal line number that includes stochastic generation and collect is equal, comprises the integer data of random amount in described array, By the integer data in described array, the video signal corresponding row data received are carried out segmentation, rearrange after segmentation.
A kind of video monitoring system the most according to claim 4, it is characterised in that described data processing module is used for logarithm Word video signal is analyzed including: choose target from described digital video signal, by the behavior characteristics of described target with special Determine behavior characteristics to contrast, it is judged that the behavior of target is the most abnormal, when an exception occurs, sends alarm command.
CN201610727341.8A 2016-08-25 2016-08-25 A kind of video monitoring system and its implementation CN106131509A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040145657A1 (en) * 2002-06-27 2004-07-29 Naoki Yamamoto Security camera system
CN101448146A (en) * 2008-12-26 2009-06-03 北京中星微电子有限公司 Front-end equipment in video monitor system and signal processing method in the front-end equipment
CN101035253B (en) * 2006-11-14 2010-05-26 北京中星微电子有限公司 Encryption or decryption implementing method, device and system
CN102724519A (en) * 2012-05-16 2012-10-10 浙江大华技术股份有限公司 Method and device for high-definition digital video signal transmission, and camera and acquisition equipment
CN102724517A (en) * 2012-05-16 2012-10-10 浙江大华技术股份有限公司 Method, device and system for video signal transmission, and terminals

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040145657A1 (en) * 2002-06-27 2004-07-29 Naoki Yamamoto Security camera system
CN101035253B (en) * 2006-11-14 2010-05-26 北京中星微电子有限公司 Encryption or decryption implementing method, device and system
CN101448146A (en) * 2008-12-26 2009-06-03 北京中星微电子有限公司 Front-end equipment in video monitor system and signal processing method in the front-end equipment
CN102724519A (en) * 2012-05-16 2012-10-10 浙江大华技术股份有限公司 Method and device for high-definition digital video signal transmission, and camera and acquisition equipment
CN102724517A (en) * 2012-05-16 2012-10-10 浙江大华技术股份有限公司 Method, device and system for video signal transmission, and terminals

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