CN104270605A - Method and device for processing video monitoring data - Google Patents
Method and device for processing video monitoring data Download PDFInfo
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- CN104270605A CN104270605A CN201410490698.XA CN201410490698A CN104270605A CN 104270605 A CN104270605 A CN 104270605A CN 201410490698 A CN201410490698 A CN 201410490698A CN 104270605 A CN104270605 A CN 104270605A
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Abstract
The invention discloses a method and device for processing video monitoring data. The method includes the steps that video monitoring data of all video monitoring points are received, and the received video monitoring data are segmented into n data blocks with preset duration; the attributes of all the data blocks are set, wherein the attributes comprise the serial numbers of the data blocks, starting time stamps, stopping time stamps, completion degree identification and the names of the video monitoring points corresponding to the data blocks; all the segmented data blocks are stored in physical disks corresponding to the video monitoring points. By the adoption of the technical scheme, the safety of the massive video monitoring data is improved.
Description
Technical field
The present invention relates to data storage technology, espespecially a kind of processing method of video monitoring data and device.
Background technology
In the place that the applied environment of video monitoring is less, when namely only having independent several monitoring focus, PC can be directly used to be connected with Surveillance Camera, monitoring focus a small amount of like this can not cause too many data, can retrieve at a terrific speed a small amount of data and represent, would not to be delayed like this or user crosses long wait, so little to the demand of availability of data under this environment.
But when the applied environment of video monitoring is extended, time the focus of monitoring expands to hundreds of, thousands of even tens thousand of, the data volume of generation per minute will be very many, so just cause a large amount of data stacked etc. to be stored.So in this case, if will store video monitoring data and retrieve, the time delay of great number and the stand-by period needing extremely to grow will be produced, directly results in Consumer's Experience and decline, so in such a case, to the demand of availability of data will become particularly urgent.
In video monitoring stores, the technology that present each manufacturer adopts, the mode using file to store mostly, the mode of the storage area network (IPSAN) that memory device realizes with ethernet technology or the storage area network (FCSAN) that optical fiber technology realizes is articulated to the server of front end, then reception stored video data is file one by one, these files use a kind of set form to name, be mostly date+mode of time period.Use the mode that file stores, just need the problem considering file system, use the mode that existing file stores, to carry out processing (the i.e. zoned format such as file configuration table (FAT) or New Technology File System (NTFS), extensible file system (ext), high performance JFS (xfs) through file system, disk must be carried out subregion and format by file storage), if disk partition information damages the loss that will cause data, thus reduces the fail safe of data.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of processing method and device of video monitoring data, the fail safe of the video monitoring data of magnanimity can be improved.
In order to reach the object of the invention, the invention provides a kind of processing method of video monitoring data, comprising:
Receive the video monitoring data of each video surveillance point, respectively the video monitoring data received is divided into n data block of preset duration;
The attribute of each data block is set; Wherein, attribute comprises: the numbering of data block, initial time stamp, deadline stamp, video surveillance point corresponding to completeness mark, data block title;
Each data block after segmentation is left in the physical disk corresponding with this video surveillance point.
Further, the numbering arranging described data block comprises: carry out increasing progressively numbering according to the time order and function order of the video recording of data block in the video monitoring data of correspondence.
Further, arrange described initial time stamp to comprise:
The initial time stamp of the 1st data block is the system time of system acceptance the 1st video monitoring data that data block is corresponding;
The initial time stamp of i-th data block is: the initial time stamp of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.
Further, arrange to stab described deadline and comprise:
The system time that the deadline of the 1st data block stabs as system acceptance the 1st video monitoring data that data block is corresponding adds 1 preset duration;
Stamp deadline of i-th data block is: stamp deadline of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.
Further, arrange described completeness mark to comprise:
Before the completeness of (n-1) individual data block be designated 1;
The completeness of the n-th data block is designated the time span of the n-th data block and the ratio of preset duration.
Further, the method also comprises: record completeness is not the information of the data block of 1; Wherein, information comprises: this completeness mark is not the title of the numbering of the data block of 1, completeness mark, corresponding video surveillance point.
Present invention also offers a kind of processing unit of video monitoring data, comprising: split module, module and memory module are set; Wherein,
Segmentation module, for receiving the video monitoring data of each video surveillance point, is divided into n data block of preset duration respectively by the video monitoring data received;
Module is set, for arranging the attribute of each data block; Wherein, attribute comprises: the numbering of data block, initial time stamp, deadline stamp, video surveillance point corresponding to completeness mark, data block title;
Memory module, for leaving in each data block after segmentation in the physical disk corresponding with this video surveillance point.
Further, describedly the numbering of data block described in module installation be set comprise:
Carry out increasing progressively numbering according to the time order and function order of the video recording of data block in the video monitoring data of correspondence.
Further, describedly initial time stamp described in module installation be set comprise:
The initial time stamp of the 1st data block is the system time of system acceptance the 1st video monitoring data that data block is corresponding;
The initial time stamp of i-th data block is: the initial time stamp of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.
Further, the described deadline stamp of arranging described in module installation comprises:
The system time that the deadline of the 1st data block stabs as system acceptance the 1st video monitoring data that data block is corresponding adds 1 preset duration;
Stamp deadline of i-th data block is: stamp deadline of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.
Further, the described completeness mark that to arrange described in module installation comprises:
Before the completeness of (n-1) individual data block be designated 1;
The completeness of the n-th data block is designated the time span of the n-th data block and the ratio of preset duration.
Further, this device also comprises: logging modle, for recording the information that completeness is not the data block of 1; Wherein, information comprises: this completeness mark is not the title of the numbering of the data block of 1, completeness mark, corresponding video surveillance point.
Technical scheme of the present invention comprises: the video monitoring data receiving each video surveillance point, respectively the video monitoring data received is divided into n data block of preset duration; The attribute of each data block is set; Wherein, attribute comprises: the numbering of data block, initial time stamp, deadline stamp, video surveillance point corresponding to completeness mark, data block title; Each data block after segmentation is left in the physical disk corresponding with this video surveillance point.Technical scheme of the present invention improves the fail safe of the video monitoring data of magnanimity.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the processing method of video monitoring data of the present invention;
Fig. 2 is the structural representation of the processing unit of video monitoring data of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Fig. 1 is the flow chart of the processing method of video monitoring data of the present invention, as shown in Figure 1, comprising:
Step 101, receives the video monitoring data of each video surveillance point, respectively the video monitoring data received is divided into n data block of preset duration.
It should be noted that, those skilled in the art can arrange the length of preset duration according to actual conditions, and for example can arrange preset duration is 5 minutes, 10 minutes or 20 minutes.Wherein, the value of n and the time long correlation of the video monitoring data received, the value of the longer n of duration of the video monitoring data received is larger, and the value of the shorter n of duration of the video monitoring data received is less.Illustrate, preset duration is 10 minutes, and when the duration of the video monitoring data received is 128 minutes, now the value of n is 13; When the duration of the video monitoring data received is 28 minutes, now the value of n is 3.
Step 102, arranges the attribute of each data block; Wherein, attribute comprises: the numbering of data block, initial time stamp, deadline stamp, video surveillance point corresponding to completeness mark, data block title.
Wherein, the numbering of setting data block comprises: carry out increasing progressively numbering according to the time order and function order of the video recording of data block in the video monitoring data of correspondence.
Arrange initial time stamp to comprise:
The initial time stamp of the 1st data block is the system time of system acceptance the 1st video monitoring data that data block is corresponding;
The initial time stamp of i-th data block is: the initial time stamp of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.
Arrange to stab deadline and comprise:
The system time that the deadline of the 1st data block stabs as system acceptance the 1st video monitoring data that data block is corresponding adds 1 preset duration;
Stamp deadline of i-th data block is: stamp deadline of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.
Arrange described completeness mark to comprise:
Before the completeness of (n-1) individual data block be designated 1;
The completeness of the n-th data block is designated the time span of the n-th data block and the ratio of preset duration.
Illustrate, preset duration is set to 10 minutes, and the time span of the n-th data block is 6 minutes, then the completeness mark=6/10=0.3 of the n-th data block.
Step 103, leaves in each data block after segmentation in the physical disk corresponding with this video surveillance point.
It should be noted that, how by the deposit position one_to_one corresponding of the data block after physical disk and video surveillance point segmentation, belong to conventional techniques means well-known to those skilled in the art, do not repeat them here.
Further, the method also comprises:
Record completeness is not the information of the data block of 1; Wherein information comprises: this completeness mark is not the title of the numbering of the data block of 1, completeness mark, corresponding video surveillance point.
Wherein, the information relationship that a completeness mark is not 1 can be set up in advance, for recording the information that completeness mark is not the data block of 1.This information relationship can be kept in a form, leave in/usr/local/flags file in.
The inventive method stores by the video monitoring data of each video surveillance point is divided into multiple data block according to preset duration, avoids the drawback storing in the form of a file in prior art and bring.And, owing to not needing first to carry out subregion to disk and format before video file stores in the inventive method, improve the fail safe of the video monitoring data of magnanimity.
Fig. 2 is the structural representation of the processing unit of video monitoring data of the present invention, as shown in Figure 2, comprising: split module, arrange module and memory module.Wherein,
Segmentation module, for receiving the video monitoring data of each video surveillance point, is divided into n data block of preset duration respectively by the video monitoring data received.
It should be noted that, the value of n and the time long correlation of the video monitoring data received, the value of the longer n of duration of the video monitoring data received is larger, and the value of the shorter n of duration of the video monitoring data received is less.Illustrate, preset duration is 10 minutes, and when the duration of the video monitoring data received is 128 minutes, now the value of n is 13; When the duration of the video monitoring data received is 28 minutes, now the value of n is 3.
Module is set, for arranging the attribute of each data block; Wherein, attribute comprises: the numbering of data block, initial time stamp, deadline stamp, video surveillance point corresponding to completeness mark, data block title.
Memory module, for leaving in each data block after segmentation in the physical disk corresponding with this video surveillance point.
Wherein, arrange the numbering of data block described in module installation to comprise:
Carry out increasing progressively numbering according to the time order and function order of the video recording of data block in the video monitoring data of correspondence.And,
Arrange module installation initial time stamp to comprise:
The initial time stamp of the 1st data block is the system time of system acceptance the 1st video monitoring data that data block is corresponding;
The initial time stamp of i-th data block is: the initial time stamp of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.And,
Arrange module installation stamp deadline to comprise:
The system time that the deadline of the 1st data block stabs as system acceptance the 1st video monitoring data that data block is corresponding adds 1 preset duration;
Stamp deadline of i-th data block is: stamp deadline of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.And,
Arrange module installation completeness mark to comprise:
Before the completeness of (n-1) individual data block be designated 1;
The completeness of the n-th data block is designated the time span of the n-th data block and the ratio of preset duration.
Further, this device also comprises: logging modle, for recording the information that completeness mark is not the data block of 1; Wherein information comprises: this completeness mark is not the title of the numbering of the data block of 1, completeness mark, corresponding video surveillance point.
First embodiment
The first embodiment of the present invention is a kind of method of searching video monitoring data provided on the basis of the processing method (Fig. 1) of video monitoring data of the present invention.In prior art, need when needing the video data put sometime searching some video surveillance points, from first to last to the retrieval that the filename of file carries out one by one, to know.When user needs to carry out retrieving or represent certain a part of video monitoring data, system is according to the required time point of user, according to the number information that the abnormal completeness recorded in data block time period and the/usr/local/flags file of setting identifies, determine that data required for user are in the middle of the data block in which region.Final calculating is according to (length/data block time total time)+(time difference time/data block time).Illustrate, the initial number of data block is 1, and the initial time stamp being numbered 1 is 0:00, and user wishes that the data of asking are the data of 6:30, according to preset duration 5 minutes divided video monitor datas, then calculate 60/5*6.5=78, therefore, 6:30 divides the data of this time point should be positioned at the data block of numbering 78, detection/usr/local/flags file, whether detect in file has the data block between 1-78 data blocks to exist, if nothing, then and inoperation; If have, then obtain its completeness identification information, and poor for computing time according to completeness identification information.When the data of the user's request finally calculated are positioned at the region that data block coding number is N, then detect the region of (N-X) to (N+X), X is a possible regional value.Such as, 1 hour total time, data block is set as 5 minutes, then 60/5=12 data block, is numbered 1--12, learns that the completeness of wherein 7 and 8 is 0.2 after inquiry, namely 20%, then represent that the information in 7 and 8 data blocks only has 1 minute duration, then the time difference of 7 and 8 each data blocks is 5-1=4, and the time difference of 2 data blocks is then 4+4=8.Other completeness is 1, namely 100%, represent that the duration of other data block is 5 minutes, be then calculated as 60/5+8/5=13.6, rounding value is 14, this 14 is N in N-X ~ N+X, for increasing hit rate and possible fault-tolerant, arrange the value of X, such as X is set to 2, then the scope of final search is 14-2 ~ 14+2, i.e. the data block of numbering 12 ~ 16.
The method that first embodiment of the invention provides, in the middle of the data of magnanimity, carry out retrieving the consumed time will greatly reduce, because do not need to retrieve successively the file on disk, only need to retrieve the little part file in the region that may exist, significantly improve effectiveness of retrieval.
The all or part of step that one of ordinary skill in the art will appreciate that in said method is carried out instruction related hardware by program and is completed, and described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuit to realize.Correspondingly, each module/unit in above-described embodiment can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.The application is not restricted to the combination of the hardware and software of any particular form.
The above, be only preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a processing method for video monitoring data, is characterized in that, comprising:
Receive the video monitoring data of each video surveillance point, respectively the video monitoring data received is divided into n data block of preset duration;
The attribute of each data block is set; Wherein, attribute comprises: the numbering of data block, initial time stamp, deadline stamp, video surveillance point corresponding to completeness mark, data block title;
Each data block after segmentation is left in the physical disk corresponding with this video surveillance point.
2. processing method according to claim 1, is characterized in that, the numbering arranging described data block comprises: carry out increasing progressively numbering according to the time order and function order of the video recording of data block in the video monitoring data of correspondence.
3. processing method according to claim 1, is characterized in that, arranges described initial time stamp and comprises:
The initial time stamp of the 1st data block is the system time of system acceptance the 1st video monitoring data that data block is corresponding;
The initial time stamp of i-th data block is: the initial time stamp of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.
4. processing method according to claim 1, is characterized in that, arranges to stab described deadline to comprise:
The system time that the deadline of the 1st data block stabs as system acceptance the 1st video monitoring data that data block is corresponding adds 1 preset duration;
Stamp deadline of i-th data block is: stamp deadline of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.
5. processing method according to claim 1, is characterized in that, arranges described completeness mark and comprises:
Before the completeness of (n-1) individual data block be designated 1;
The completeness of the n-th data block is designated the time span of the n-th data block and the ratio of preset duration.
6. processing method according to claim 5, is characterized in that, the method also comprises: record completeness is not the information of the data block of 1; Wherein, information comprises: this completeness mark is not the title of the numbering of the data block of 1, completeness mark, corresponding video surveillance point.
7. a processing unit for video monitoring data, is characterized in that, comprising: split module, arrange module and memory module; Wherein,
Segmentation module, for receiving the video monitoring data of each video surveillance point, is divided into n data block of preset duration respectively by the video monitoring data received;
Module is set, for arranging the attribute of each data block; Wherein, attribute comprises: the numbering of data block, initial time stamp, deadline stamp, video surveillance point corresponding to completeness mark, data block title;
Memory module, for leaving in each data block after segmentation in the physical disk corresponding with this video surveillance point.
8. processing unit according to claim 7, is characterized in that, describedly arranges the numbering of data block described in module installation and comprises:
Carry out increasing progressively numbering according to the time order and function order of the video recording of data block in the video monitoring data of correspondence.
9. processing unit according to claim 7, is characterized in that, describedly arranges initial time stamp described in module installation and comprises:
The initial time stamp of the 1st data block is the system time of system acceptance the 1st video monitoring data that data block is corresponding;
The initial time stamp of i-th data block is: the initial time stamp of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.
10. processing unit according to claim 7, is characterized in that, the described deadline stamp of arranging described in module installation comprises:
The system time that the deadline of the 1st data block stabs as system acceptance the 1st video monitoring data that data block is corresponding adds 1 preset duration;
Stamp deadline of i-th data block is: stamp deadline of the 1st data block adds (i-1) individual preset duration; Wherein, 2≤i≤n.
11. processing unit according to claim 7, is characterized in that, the described completeness mark that to arrange described in module installation comprises:
Before the completeness of (n-1) individual data block be designated 1;
The completeness of the n-th data block is designated the time span of the n-th data block and the ratio of preset duration.
12. processing unit according to claim 11, is characterized in that, this device also comprises: logging modle, for recording the information that completeness is not the data block of 1; Wherein, information comprises: this completeness mark is not the title of the numbering of the data block of 1, completeness mark, corresponding video surveillance point.
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