CN103024352A - Video monitoring method and system based on code rate mutation - Google Patents
Video monitoring method and system based on code rate mutation Download PDFInfo
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- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims description 18
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Abstract
The invention discloses a video monitoring method and a system based on code rate mutation. The method includes encoding monitored pictures to form video code streams through monitoring cameras, transmitting the video code streams to set top boxes for receiving and storage through a local area network, synchronously detecting the code rate change of the video code streams, and when the code rate exceeds a threshold, and sending pushing information of the video code streams within a set period before and after code rate mutation time point to an intelligent terminal. The technological means of synchronous detection of video code stream code rate change is adopted, the set top boxes are used as servers of smart homes to achieve monitoring and playback functions of monitored videos, discovery of abnormal picture changes and generation of abnormal time point pictures are achieved through detecting the code rate mutation, a pushing mechanism is used for initially pushing related abnormal information to the intelligent terminal when abnormity is discovered, an unattended operation function of static pictures is achieved, so that the bandwidth and flow are saved compared with the existing video monitoring, the checking speed through the intelligent terminal is improved, the cost is low, and flow fees are few.
Description
Technical field
The present invention relates to video frequency monitoring method and system field that wisdom family, intelligent terminal adopt, in particular a kind ofly save flow and promote cheaply video frequency monitoring method and the system of speed checked.
Background technology
Along with popularizing and development of monitoring technique, increasing family begins to set up and can realize remote access domestic video monitoring system by network, so that check Real Time Monitoring picture or in the past video recording.
But the remote access of existing domestic video monitoring system mainly realizes with the form of PC, is difficult to realize at intelligent terminals such as mobile phones, because such remote access exists bandwidth and flow all to consume larger problem; And video storage and the playing back videos function of existing domestic video monitoring system all need special equipment to finish, and also increased the hardware cost of domestic video monitoring system.
Therefore, prior art still haves much room for improvement and develops.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of video frequency monitoring method based on the code check sudden change, but conserve bandwidth and flow promote the speed of checking with intelligent terminal.
Simultaneously, the present invention also provides a kind of video monitoring system based on the code check sudden change, and cost is low, campus network is few.
Technical scheme of the present invention is as follows: a kind of video frequency monitoring method based on the code check sudden change may further comprise the steps:
A, each monitoring camera of wisdom household internal transfer to set-top box with the monitored picture that the gathers formation video code flow of encoding by wisdom household internal local area network (LAN), by the stream-recording in described this set-top box with the memory module reception with store;
Code stream detection in B, the described set-top box changes with the code check that warning module detects described video code flow synchronously, dot information correlation time of record code check sudden change when the code check variation of described video code flow surpasses the threshold values that sets;
System configuration in C, the described set-top box is sent pushed information to the intelligent terminal that is associated with this set-top box with administration module when the code check of described video code flow changes the threshold values that surpasses setting;
D, on the screen of described intelligent terminal display alarm information, dot information correlation time that by described code stream detection and warning module code check is suddenlyd change when user selection is checked feeds back to code stream playback and the processing module in the described set-top box, by described code stream playback and processing module the code stream in the setting-up time segment limit before and after the code check mutation time point is sent to described intelligent terminal.
Described video frequency monitoring method based on code check sudden change, wherein: also comprise by described code stream playback and processing module selection and check real-time pictures and historical picture, and the step that the code stream that described stream-recording and memory module are recorded is deleted or intercepted.
Described video frequency monitoring method based on the code check sudden change, wherein: also comprise the step of carrying out timer reservation unlatching or pre-recording by described system configuration and administration module.
Described video frequency monitoring method based on code check sudden change, wherein: also comprise the screen resolution of described portable terminal automatic acquisition own and network speed index and send the step of described set-top box to.
Described video frequency monitoring method based on code check sudden change, wherein: also comprise the step that described set-top box is extracted real-time video or historical video and carried out resolution and frame rate conversion according to screen resolution and the network speed of described intelligent terminal.
Described video frequency monitoring method based on the code check sudden change, wherein: also be included in when carrying out the tableaux monitoring step that described monitoring camera adopts regular coding form and coding parameter to encode.
A kind of video monitoring system based on the code check sudden change, the set-top box that is arranged on wisdom family is inner, and this system comprises stream-recording and memory module, code stream detection and warning module, system configuration and administration module and code stream playback and processing module, wherein:
Described stream-recording and memory module be used for to receive and storage forms the monitored picture of video code flow by what wisdom household internal local area network (LAN) transferred to set-top box by each monitoring camera institute capturing and coding of wisdom household internal;
Described code stream detection and warning module are used for detecting synchronously the code check variation of described video code flow, dot information correlation time of record code check sudden change when the code check variation of described video code flow surpasses the threshold values that sets;
Described system configuration and administration module are used for sending pushed information to the intelligent terminal that is associated with this set-top box when the code check of described video code flow changes the threshold values that surpasses setting;
Described code stream playback and processing module, the code stream that is used for when user selection is checked described code stream being detected in the code check mutation time point front and back setting-up time segment limit that feeds back with warning module is sent to described intelligent terminal.
A kind of video frequency monitoring method and system based on the code check sudden change provided by the present invention, because the technological means that has adopted synchronous detection video stream code rate to change, utilize set-top box to realize storage and the playback function of monitor video as the server of wired home, based on detect code check suddenly change to find video monitoring in have unusual, realize the discovery of picture ANOMALOUS VARIATIONS and the picture of generation abnormal time point by the sudden change of detecting code check, and after pinpointing the problems, utilize push-mechanism initiatively unusual relevant information to be pushed to intelligent terminal, realize the unattended function of tableaux, bandwidth and flow have been saved than traditional video monitoring, promoted the speed of checking with intelligent terminal, and cost is low, campus network is few.
Description of drawings
Fig. 1 is the video monitoring system block diagram that the present invention is based on the code check sudden change.
Embodiment
Below with reference to accompanying drawing, the specific embodiment of the present invention and embodiment are described in detail, described specific embodiment is not for limiting the specific embodiment of the present invention only in order to explain the present invention.
A kind of video frequency monitoring method based on the code check sudden change of the present invention, can be with the home intelligent set-top box as server, network consisting is connected with many groups monitoring camera, and by intelligent terminal realization remote access, to check real-time video monitoring picture or historical video recording, based on detect code check suddenly change to find video monitoring in have unusual, utilize Study On Intelligent Monitoring Techniques to realize the function that active warning is unusual, the rear active of pinpointing the problems pushes, described set-top box inside comprises stream-recording and memory module, code stream detects and warning module, system configuration and administration module and code stream playback and processing module, the method may further comprise the steps:
Step S110, each monitoring camera of wisdom household internal transfer to set-top box with the monitored picture that the gathers formation video code flow of encoding by wisdom household internal local area network (LAN), by described stream-recording with the memory module reception with store;
Step S120, described code stream detect the relevant parameters such as code check variation that detect synchronously described video code flow with warning module, dot information correlation time of record code check sudden change when the code check variation of described video code flow surpasses the threshold values that sets;
Step S130, described system configuration are sent pushed information to the intelligent terminal that is associated with this set-top box with administration module when the code check of described video code flow changes the threshold values that surpasses setting;
Step S140, on the screen of described intelligent terminal display alarm information, dot information correlation time that by described code stream detection and warning module code check is suddenlyd change when user selection is checked feeds back to code stream playback and the processing module in the described set-top box, by described code stream playback and processing module the code stream in the setting-up time segment limit before and after the code check mutation time point is sent to described intelligent terminal.
Based on above-mentioned video frequency monitoring method based on the code check sudden change, the invention allows for a kind of video monitoring system based on the code check sudden change, as shown in Figure 1, Fig. 1 is the video monitoring system block diagram that the present invention is based on the code check sudden change, this system is arranged on the set-top box inside of wisdom family, network consisting is connected with many groups monitoring camera, and by intelligent terminal realization remote access, to check real-time video monitoring picture or historical video recording, based on detect code check suddenly change to find video monitoring in have unusual, utilize Study On Intelligent Monitoring Techniques to realize the function that active warning is unusual, the rear active of pinpointing the problems pushes, this system comprises stream-recording and memory module, code stream detects and warning module, system configuration and administration module and code stream playback and processing module, wherein:
Described stream-recording and memory module be used for to receive and storage forms the monitored picture of video code flow by what wisdom household internal local area network (LAN) transferred to set-top box by each monitoring camera institute capturing and coding of wisdom household internal;
Described code stream detection and warning module are used for detecting synchronously the code check variation of described video code flow, dot information correlation time of record code check sudden change when the code check variation of described video code flow surpasses the threshold values that sets;
Described system configuration and administration module are used for sending pushed information to the intelligent terminal that is associated with this set-top box when the code check of described video code flow changes the threshold values that surpasses setting;
Described code stream playback and processing module, the code stream that is used for when user selection is checked described code stream being detected in the code check mutation time point front and back setting-up time segment limit that feeds back with warning module is sent to described intelligent terminal.
In the preferred implementation of the video frequency monitoring method that the present invention is based on the code check sudden change and system, concrete, the user can select to check by the code stream playback on the described set-top box and processing module real-time pictures and a certain historical time picture of some monitoring cameras, and the code stream that described stream-recording and memory module are recorded is deleted or the operation such as intercepting.
Concrete, the user can also carry out operations such as timer reservation unlatching or pre-recording by the system configuration on the described set-top box and administration module.
The video monitoring system video acquisition process that the present invention is based on the code check sudden change is: the user opens whole supervisory control system, each monitoring camera forms video flowing after with the picture coding that gathers and passes to set-top box by local area network (LAN), stream-recording in the set-top box and memory module receive code stream and the storage that each monitoring camera transmits, code stream monitoring in the set-top box and the relevant parameters such as code check of alarm module Simultaneous Monitoring code stream, the user closes supervisory control system.
Further, the video frequency monitoring method and the system that the present invention is based on the code check sudden change have also developed the application software that can be directly installed on apple or Android operating system, the user can install corresponding function software and realize exclusive resolution and frame rate conversion mechanism at intelligent terminal: the intelligent terminal software of user's opening installation on the intelligent terminal mobile device, intelligent terminal software is set up with service end (namely being positioned at the Intelligent set top box of family) and is linked, the user sends to Intelligent set top box by intelligent terminal and browses a certain historical video or real-time video, the Intelligent set top box response request is also confirmed user right, the screen resolution of this intelligent terminal of intelligent terminal software automatic acquisition and network speed index also send Intelligent set top box to, Intelligent set top box is determined a kind of transmission video resolution and frame per second automatically according to network speed index and terminal screen resolution, Intelligent set top box extracts corresponding video and carries out resolution and frame rate conversion (recompile), send video flowing to intelligent terminal software, intelligent terminal software decoding and display video on intelligent terminal.
In addition, the present invention is based on the video frequency monitoring method of code check sudden change and system possesses when the monitoring tableaux and Intelligent Measurement is arranged and push prompting function, so-called tableaux, refer to the picture of monitoring camera monitoring under normal circumstances without mobile object, such as surveying in: the door of unmanned turnover, unmanned indoor, the window etc.System is when carrying out the tableaux detection, server can require camera to adopt regular coding form and coding parameter, under regular coding form and coding parameter, if do not change without object brightness and color in mobile object and the picture in the picture, the image code rate behind the coding should be invariable.
In actual applications, the object in the picture can change along with the variation illumination of time, illumination by strong in the process in weak (for example noon is to evening), picture can be along with a little less than the illumination more and more, picture detail is fewer and feweri, and the image code rate behind the coding can be more and more lower, and vice versa.Also can cause certain code check to change because of the precision of image capture device own in addition.But these variations all are with minimum velocity variations, sudden change can not occur.And the threshold values that triggers sudden change refers to, set-top box according to the picture situation built-in a class value, as " threshold values " that determine whether to suddenly change, the user also can allow system enter mode of learning, form this group " threshold values " parameter on the spot by N/R operation once or actual the detection, carry out automatic learning and adjustment.
Concrete, need to confirm the picture of monitoring as tableaux take the user, start the intelligently pushing prompting function, code stream monitoring in the set-top box is started working with alarm module, monitors code check and changes above the threshold values that triggers sudden change, initiatively sends pushed information to intelligent terminal software, intelligent terminal software is display alarm information on terminal screen initiatively, whether the inquiry user will check this video or picture concerned, the user selection "No", and monitor state is got back to by system; The user selection "Yes" is checked video or picture concerned, dot information correlation time that described code stream monitoring and alarm module suddenly change code check sends to code stream playback and the processing module in the set-top box, described code stream playback and processing module send intelligent terminal software to according to video or the picture in the certain limit before and after the time point information extraction time point, intelligent terminal software receiver, video or picture also show that the user can do subsequent treatment according to image content.
The present invention is based on the video frequency monitoring method of code check sudden change and system based on detect code check suddenly change to find video monitoring in have unusual, utilize Study On Intelligent Monitoring Techniques to realize the function that active warning is unusual, the rear active of pinpointing the problems pushes, make supervisory control system can accomplish real-time reminding, and unattended operation; When the user checks by portable terminal, by the video conversion, reach the function of saving flow and promoting the speed of checking; Utilize the set-top box existing device, expand its software function, do not need again the server of configure dedicated, reduced system cost.
Should be understood that; the above only is preferred embodiment of the present invention; be not sufficient to limit technical scheme of the present invention; for those of ordinary skills; within the spirit and principles in the present invention; can be increased and decreased according to the above description, replacement, conversion or improvement, and all these increases and decreases, replacement, conversion or improve after technical scheme, all should belong to the protection range of claims of the present invention.
Claims (7)
1. the video frequency monitoring method based on the code check sudden change is characterized in that, may further comprise the steps:
A, each monitoring camera of wisdom household internal transfer to set-top box with the monitored picture that the gathers formation video code flow of encoding by wisdom household internal local area network (LAN), by the stream-recording in described this set-top box with the memory module reception with store;
Code stream detection in B, the described set-top box changes with the code check that warning module detects described video code flow synchronously, dot information correlation time of record code check sudden change when the code check variation of described video code flow surpasses the threshold values that sets;
System configuration in C, the described set-top box is sent pushed information to the intelligent terminal that is associated with this set-top box with administration module when the code check of described video code flow changes the threshold values that surpasses setting;
D, on the screen of described intelligent terminal display alarm information, dot information correlation time that by described code stream detection and warning module code check is suddenlyd change when user selection is checked feeds back to code stream playback and the processing module in the described set-top box, by described code stream playback and processing module the code stream in the setting-up time segment limit before and after the code check mutation time point is sent to described intelligent terminal.
2. the video frequency monitoring method based on code check sudden change according to claim 1, it is characterized in that: also comprise by described code stream playback and processing module and select to check real-time pictures and historical picture, and the step that the code stream that described stream-recording and memory module are recorded is deleted or intercepted.
3. the video frequency monitoring method based on the code check sudden change according to claim 1 is characterized in that: also comprise the step of carrying out timer reservation unlatching or pre-recording by described system configuration and administration module.
4. the video frequency monitoring method based on code check sudden change according to claim 1 is characterized in that: also comprise the screen resolution of described portable terminal automatic acquisition own and network speed index and send the step of described set-top box to.
5. the video frequency monitoring method based on code check sudden change according to claim 4 is characterized in that: also comprise the step that described set-top box is extracted real-time video or historical video and carried out resolution and frame rate conversion according to screen resolution and the network speed of described intelligent terminal.
6. the video frequency monitoring method based on the code check sudden change according to claim 1 is characterized in that: also be included in when carrying out the tableaux monitoring step that described monitoring camera adopts regular coding form and coding parameter to encode.
7. video monitoring system based on code check sudden change, the set-top box that is arranged on wisdom family is inner, it is characterized in that this system comprises stream-recording and memory module, code stream detection and warning module, system configuration and administration module and code stream playback and processing module, wherein:
Described stream-recording and memory module be used for to receive and storage forms the monitored picture of video code flow by what wisdom household internal local area network (LAN) transferred to set-top box by each monitoring camera institute capturing and coding of wisdom household internal;
Described code stream detection and warning module are used for detecting synchronously the code check variation of described video code flow, dot information correlation time of record code check sudden change when the code check variation of described video code flow surpasses the threshold values that sets;
Described system configuration and administration module are used for sending pushed information to the intelligent terminal that is associated with this set-top box when the code check of described video code flow changes the threshold values that surpasses setting;
Described code stream playback and processing module, the code stream that is used for when user selection is checked described code stream being detected in the code check mutation time point front and back setting-up time segment limit that feeds back with warning module is sent to described intelligent terminal.
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Effective date of registration: 20170613 Address after: 518000 Konka R & D building, Nanshan District science and Technology Park, Shenzhen, Guangdong Applicant after: Shenzhen Konka Information Network Co., Ltd. Address before: 518053 Nanshan District overseas Chinese town, Shenzhen, Guangdong Applicant before: Konka Group Co., Ltd. |
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Application publication date: 20130403 |