CN109213898A - The video retrieval method and device of video monitoring system - Google Patents
The video retrieval method and device of video monitoring system Download PDFInfo
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- CN109213898A CN109213898A CN201810792752.4A CN201810792752A CN109213898A CN 109213898 A CN109213898 A CN 109213898A CN 201810792752 A CN201810792752 A CN 201810792752A CN 109213898 A CN109213898 A CN 109213898A
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Abstract
The embodiment of the present invention discloses a kind of video retrieval method and device of video monitoring system, can improve the video retrieval efficiency of video monitoring system.Method includes: S1, the video retrieval request for obtaining video monitoring system, is requested according to the video retrieval, by inquiring the associated data being obtained ahead of time, obtains purpose recording initial time and purpose records the end time；S2, determine that the purpose records the corresponding document misregistration of initial time and the purpose records end time corresponding document misregistration, the corresponding document misregistration of initial time is recorded according to the purpose and the purpose records end time corresponding document misregistration, video retrieval is obtained as a result, and returning to the video retrieval result by the Video data file that the equipment for inquiring the video monitoring system is recorded.
Description
Technical field
The present embodiments relate to computer fields, and in particular to a kind of the video retrieval method and dress of video monitoring system
It sets.
Background technique
With the continuous promotion that social safety requires, for video monitoring system and data attention degree also increasingly
Height, for all trades and professions for the various functions of video monitoring system, the efficiency requirements of especially playing back videos function are also higher and higher.
For the retrieval of Video data in existing video monitoring system, general way is to be stored to take by special video recording
Program pin be engaged in the video file locally or remotely stored, is indexed the traversal of file, confirms that video time section to be found is right
The starting index file and the corresponding index file range of video time section to be found answered, then read from starting index file
Corresponding file displacement at the beginning of recording in the index file is taken, reads in the index file and remembers from ending index file
The end time of record corresponding file displacement, if the intermediate data for having interruption, it is also necessary to confirm break period section repeatedly.When all
After confirmation lookup finishes, lookup information is returned to the service routine for searching information, is finally presented on client.It is entire to search
During, the processing of signaling is necessary process, remaining operation, traversal, reading both for multiple video recording index files
The file operations such as take, position, it is whole to return to query result after complete query information of combination.
As it can be seen that being all mainly to carry out file to index file for the retrieval of Video data in existing video monitoring system
The modes such as operation, traversal reading carry out result acquisition, and efficiency is lower；At the same time, index file also carries out video recording index data
Write-in, concurrent reading and writing also result in systematic entirety can reduction；It is combined after obtaining each segmentation result, then will
Final result is unified to be returned to polling routine, and whole time delay is larger, and there are unsuccessful phenomenon, whole video retrieval efficiency compared with
It is low.
Summary of the invention
In view of the shortcomings of the prior art and defect, the embodiment of the present invention provide a kind of video recording inspection of video monitoring system
Rope method and device.
On the one hand, the embodiment of the present invention proposes a kind of video retrieval method of video monitoring system, comprising:
S1, the video retrieval request for obtaining video monitoring system, request according to the video retrieval, are obtained in advance by inquiry
Associated data, obtain purpose and record initial time and purpose recording the end time, wherein the video retrieval request includes
Initial time and retrieval end time are retrieved, the associated data includes the device identification of the equipment of video monitoring system, this sets
Standby file identification, this document for identifying the Video data file that corresponding equipment is recorded identifies the files-designated of corresponding index file
Know and this document identifies the corresponding recording initial time of file identification of corresponding index file and records the end time；
S2, determine that the purpose records the corresponding document misregistration of initial time and the purpose recording end time is corresponding
Document misregistration records the corresponding document misregistration of initial time according to the purpose and the purpose records end time corresponding text
Part offset obtains video retrieval as a result, and returning by the Video data file that the equipment for inquiring the video monitoring system is recorded
Return the video retrieval result.
On the other hand, the embodiment of the present invention proposes a kind of video retrieval device of video monitoring system, comprising:
First video recording storage service query unit, the video retrieval for obtaining video monitoring system is requested, according to described
Video retrieval request, by inquiring the associated data being obtained ahead of time, at the end of obtaining purpose recording initial time and purpose recording
Between, wherein the video retrieval request includes retrieval initial time and retrieval end time, and the associated data includes video prison
File identification, this article for the Video data file that the device identification of the equipment of control system, the corresponding equipment of the device identification are recorded
Part identifies the file identification of corresponding index file and this document identifies the corresponding record of file identification of corresponding index file
Initial time processed and recording end time；
Second video recording storage service query unit, for determine the purpose record the corresponding document misregistration of initial time and
The purpose records end time corresponding document misregistration, records the corresponding document misregistration of initial time and institute according to the purpose
It states purpose and records end time corresponding document misregistration, the Video data recorded by the equipment for inquiring the video monitoring system
File obtains video retrieval as a result, and returning to the video retrieval result.
The third aspect, the embodiment of the present invention provide a kind of electronic equipment, comprising: processor, memory, bus and are stored in
On memory and the computer program that can run on a processor；
Wherein, the processor, memory complete mutual communication by the bus；
The processor realizes the above method when executing the computer program.
Fourth aspect, the embodiment of the present invention provide a kind of non-transient computer readable storage medium, on the storage medium
It is stored with computer program, which realizes the above method when being executed by processor.
The video retrieval method and device of video monitoring system provided in an embodiment of the present invention is recorded in index text for original
Temporal information and facility information on part are recorded in the form of associated data, so that the write frequency of index file is reduced,
The time loss for traversing index file and file content when inquiry is reduced, the stability and video monitoring system of system are improved
Video recording search efficiency.
Detailed description of the invention
Fig. 1 is the flow diagram of one embodiment of video retrieval method of video monitoring system of the present invention；
Fig. 2 is the structural schematic diagram of one embodiment of video retrieval device of video monitoring system of the present invention；
Fig. 3 is the entity structure schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, the range of protection of the embodiment of the present invention is belonged to.
Referring to Fig. 1, the present embodiment discloses a kind of video retrieval method of video monitoring system, comprising:
S1, the video retrieval request for obtaining video monitoring system, request according to the video retrieval, are obtained in advance by inquiry
Associated data, obtain purpose and record initial time and purpose recording the end time, wherein the video retrieval request includes
Initial time and retrieval end time are retrieved, the associated data includes the device identification of the equipment of video monitoring system, this sets
Standby file identification, this document for identifying the Video data file that corresponding equipment is recorded identifies the files-designated of corresponding index file
Know and this document identifies the corresponding recording initial time of file identification of corresponding index file and records the end time；
S2, determine that the purpose records the corresponding document misregistration of initial time and the purpose recording end time is corresponding
Document misregistration records the corresponding document misregistration of initial time according to the purpose and the purpose records end time corresponding text
Part offset obtains video retrieval as a result, and returning by the Video data file that the equipment for inquiring the video monitoring system is recorded
Return the video retrieval result.
The video retrieval method of video monitoring system provided in an embodiment of the present invention, will be on original record indexed file
Temporal information and facility information are recorded in the form of associated data, to reduce the write frequency of index file, are also reduced
The time loss that index file and file content are traversed when inquiry, improves the video recording of the stability and video monitoring system of system
Search efficiency.
On the basis of preceding method embodiment, the associated data be can store in the database；
Wherein, described to be requested according to the video retrieval, by inquiring the associated data being obtained ahead of time, obtain purpose recording
Initial time and purpose record the end time, may include:
It is requested according to the video retrieval, by inquiring the associated data stored in the database, obtains purpose recording
Initial time and purpose record the end time.
On the basis of preceding method embodiment, the associated data can be synchronized in memory mapping；
Wherein, described to be requested according to the video retrieval, by inquiring the associated data being obtained ahead of time, obtain purpose recording
Initial time and purpose record the end time, may include:
It is requested according to the video retrieval, by audit memory, obtaining purpose recording initial time and purpose recording terminates
Time.
In the present embodiment, when the number of devices that video monitoring system needs to record a video is more, for storage equipment and service
Program is a biggish challenge, because data information, the temporal information etc. of video data are constantly recorded in local, meanwhile,
Multiple users also can constantly carry out video recording inquiry playback, and the file for being equivalent to storing data is constantly written and is read,
File I/O operations are very frequent.By pair of the information such as original video information such as equipment, file, time recorded on indexed file
It answers relation record after local file database, further to promote efficiency data query, reduces the number of database write-in
And consumption, recording equipment, data file, index file, the information table content of period in local file database are integrated into
The internal storage data of certain forms is stored in mapping MAP, and when there is new data update, first more new database content, updates simultaneously
The internal storage data is directly inquired by way of reading memory in this way when there is video recording inquiry request, avoids database
The operation such as traversal read-write reduce the utilization of system I/O resource to reduce the read-write operation frequency of a large amount of index file
Frequency, and the speed that memory is read is very fast, quickly can position and return the query information of user, improve the record of system
As recall precision.
On the basis of preceding method embodiment, the database can be light-duty document data bank.
It, being capable of th Fast Recording Equipment, data file, index file, time using light-duty document data bank in the present embodiment
The incidence relation of section, while video time section can be efficiently inquired, the video recording search efficiency of lifting system.
Referring to Fig. 2, the present embodiment discloses a kind of video retrieval device of video monitoring system, comprising:
First video recording storage service query unit 1, the video retrieval for obtaining video monitoring system is requested, according to described
Video retrieval request, by inquiring the associated data being obtained ahead of time, at the end of obtaining purpose recording initial time and purpose recording
Between, wherein the video retrieval request includes retrieval initial time and retrieval end time, and the associated data includes video prison
File identification, this article for the Video data file that the device identification of the equipment of control system, the corresponding equipment of the device identification are recorded
Part identifies the file identification of corresponding index file and this document identifies the corresponding record of file identification of corresponding index file
Initial time processed and recording end time；
Second video recording storage service query unit 2, for determining that the purpose records the corresponding document misregistration of initial time
Record end time corresponding document misregistration with the purpose, according to the purpose record the corresponding document misregistration of initial time and
The purpose records end time corresponding document misregistration, the video recording number recorded by the equipment for inquiring the video monitoring system
Video retrieval is obtained according to file as a result, and returning to the video retrieval result.
Specifically, the first video recording storage service query unit 1 obtains the video retrieval request of video monitoring system, root
It is requested according to the video retrieval, by inquiring the associated data being obtained ahead of time, obtains purpose and record initial time and purpose recording
End time, wherein the video retrieval request includes retrieval initial time and retrieval end time, and the associated data includes
The files-designated for the Video data file that the device identification of the equipment of video monitoring system, the corresponding equipment of the device identification are recorded
Know, this document identifies the file identification of corresponding index file and this document identifies the file identification pair of corresponding index file
The recording initial time answered and recording end time；The second video recording storage service query unit 2 determines that the purpose is recorded
The corresponding document misregistration of initial time and the purpose record end time corresponding document misregistration, are recorded according to the purpose
Begin time corresponding document misregistration and purpose recording end time corresponding document misregistration, passes through and inquires the video monitoring
The Video data file that the equipment of system is recorded obtains video retrieval as a result, and returning to the video retrieval result.
The video retrieval device of video monitoring system provided in an embodiment of the present invention, will be on original record indexed file
Temporal information and facility information are recorded in the form of associated data, to reduce the write frequency of index file, are also reduced
The time loss that index file and file content are traversed when inquiry, improves the video recording of the stability and video monitoring system of system
Search efficiency.
On the basis of aforementioned device embodiment, the associated data be can store in the database；
Wherein, the first video recording storage service query unit, specifically can be used for:
It is requested according to the video retrieval, by inquiring the associated data stored in the database, obtains purpose recording
Initial time and purpose record the end time.
On the basis of aforementioned device embodiment, the associated data can be synchronized in memory mapping；
Wherein, the first video recording storage service query unit, specifically can be used for:
It is requested according to the video retrieval, by audit memory, obtaining purpose recording initial time and purpose recording terminates
Time.
On the basis of aforementioned device embodiment, the database can be light-duty document data bank.
The video retrieval device of the video monitoring system of the present embodiment, can be used for executing the technology of preceding method embodiment
Scheme, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Fig. 3 shows the entity structure schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention, as shown in figure 3, should
Electronic equipment may include: processor 11, memory 12, bus 13 and be stored on memory 12 and can transport on processor 11
Capable computer program；
Wherein, the processor 11, memory 12 complete mutual communication by the bus 13；
The processor 11 realizes method provided by above-mentioned each method embodiment when executing the computer program, such as
Include: the video retrieval request for obtaining video monitoring system, is requested according to the video retrieval, by inquiring the pass being obtained ahead of time
Join data, obtain purpose and record initial time and purpose recording end time, wherein the video retrieval request includes retrieving
Begin time and retrieval end time, the associated data includes the device identification of the equipment of video monitoring system, the device identification
File identification, this document for the Video data file that corresponding equipment is recorded identify corresponding index file file identification and
This document identifies the corresponding recording initial time of file identification of corresponding index file and records the end time；Determine the mesh
The corresponding document misregistration of recording initial time and the purpose record end time corresponding document misregistration, according to the purpose
It records the corresponding document misregistration of initial time and the purpose records end time corresponding document misregistration, by inquiring the view
The Video data file that the equipment of frequency monitoring system is recorded obtains video retrieval as a result, and returning to the video retrieval result.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, is stored thereon with computer program, should
Method provided by above-mentioned each method embodiment is realized when computer program is executed by processor, for example, obtain video prison
The video retrieval of control system is requested, and is requested according to the video retrieval, by inquiring the associated data being obtained ahead of time, obtains purpose
It records initial time and purpose records the end time, wherein the video retrieval request includes retrieval initial time and retrieval knot
Beam time, the associated data include the device identification of the equipment of video monitoring system, the corresponding equipment recording of the device identification
Video data file file identification, this document identify corresponding index file file identification and this document mark correspond to
Index file the corresponding recording initial time of file identification and record the end time；Determine that the purpose records initial time
Corresponding document misregistration and the purpose record end time corresponding document misregistration, record initial time pair according to the purpose
The document misregistration answered and the purpose record end time corresponding document misregistration, by inquiring setting for the video monitoring system
The Video data file of priming obtains video retrieval as a result, and returning to the video retrieval result.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.Term " on ", "lower" etc. refer to
The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplifies
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.Unless otherwise clearly defined and limited, term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
In specification of the invention, numerous specific details are set forth.Although it is understood that the embodiment of the present invention can
To practice without these specific details.In some instances, well known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this specification.Similarly, it should be understood that disclose in order to simplify the present invention and helps to understand respectively
One or more of a inventive aspect, in the above description of the exemplary embodiment of the present invention, each spy of the invention
Sign is grouped together into a single embodiment, figure, or description thereof sometimes.However, should not be by the method solution of the disclosure
Release is in reflect an intention that i.e. the claimed invention requires more than feature expressly recited in each claim
More features.More precisely, as the following claims reflect, inventive aspect is less than single reality disclosed above
Apply all features of example.Therefore, it then follows thus claims of specific embodiment are expressly incorporated in the specific embodiment,
It is wherein each that the claims themselves are regarded as separate embodiments of the invention.It should be noted that in the absence of conflict, this
The feature in embodiment and embodiment in application can be combined with each other.The invention is not limited to any single aspect,
It is not limited to any single embodiment, is also not limited to any combination and/or displacement of these aspects and/or embodiment.And
And can be used alone each aspect and/or embodiment of the invention or with other one or more aspects and/or its implementation
Example is used in combination.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of video retrieval method of video monitoring system characterized by comprising
S1, the video retrieval request for obtaining video monitoring system, request according to the video retrieval, are obtained ahead of time by inquiry
Associated data obtains purpose and records initial time and purpose recording end time, wherein the video retrieval request includes retrieval
Initial time and retrieval end time, the associated data includes the device identification of the equipment of video monitoring system, the equipment mark
Know the Video data file that corresponding equipment is recorded file identification, this document identify the file identification of corresponding index file with
And this document identifies the corresponding recording initial time of file identification of corresponding index file and records the end time；
S2, determine that the purpose records the corresponding document misregistration of initial time and the purpose records end time corresponding file
Offset records the corresponding document misregistration of initial time according to the purpose and purpose recording end time corresponding file is inclined
It moves, video retrieval is obtained as a result, and returning to institute by the Video data file that the equipment for inquiring the video monitoring system is recorded
State video retrieval result.
2. the method according to claim 1, wherein associated data storage is in the database；
Wherein, described to be requested according to the video retrieval, by inquiring the associated data being obtained ahead of time, obtains purpose and record starting
Time and purpose record the end time, comprising:
It is requested according to the video retrieval, by inquiring the associated data stored in the database, obtains purpose and record starting
Time and purpose record the end time.
3. according to the method described in claim 2, it is characterized in that, the associated data is synchronized in memory mapping；
Wherein, described to be requested according to the video retrieval, by inquiring the associated data being obtained ahead of time, obtains purpose and record starting
Time and purpose record the end time, comprising:
It is requested according to the video retrieval, by audit memory, obtains purpose and record initial time and purpose recording end time.
4. according to the method in claim 2 or 3, which is characterized in that the database is light-duty document data bank.
5. a kind of video retrieval device of video monitoring system characterized by comprising
First video recording storage service query unit, the video retrieval for obtaining video monitoring system is requested, according to the video recording
Retrieval request, the associated data being obtained ahead of time by inquiry obtain purpose and record initial time and purpose recording end time,
In, the video retrieval request includes retrieval initial time and retrieval end time, and the associated data includes video monitoring system
File identification, this document mark for the Video data file that the device identification of the equipment of system, the corresponding equipment of the device identification are recorded
The file identification that the file identification and this document for knowing corresponding index file identify corresponding index file corresponding is recorded
Begin time and recording end time；
Second video recording storage service query unit, for determining that the purpose records the corresponding document misregistration of initial time and described
Purpose records end time corresponding document misregistration, records the corresponding document misregistration of initial time and the mesh according to the purpose
Recording end time corresponding document misregistration, pass through the Video data file that the equipment of the inquiry video monitoring system is recorded
Video retrieval is obtained as a result, and returning to the video retrieval result.
6. device according to claim 5, which is characterized in that the associated data storage is in the database；
Wherein, the first video recording storage service query unit, is specifically used for:
It is requested according to the video retrieval, by inquiring the associated data stored in the database, obtains purpose and record starting
Time and purpose record the end time.
7. device according to claim 6, which is characterized in that the associated data is synchronized in memory mapping；
Wherein, the first video recording storage service query unit, is specifically used for:
It is requested according to the video retrieval, by audit memory, obtains purpose and record initial time and purpose recording end time.
8. device according to claim 6 or 7, which is characterized in that the database is light-duty document data bank.
9. a kind of electronic equipment characterized by comprising processor, memory, bus and storage on a memory and can located
The computer program run on reason device；
Wherein, the processor, memory complete mutual communication by the bus；
The processor realizes such as method of any of claims 1-4 when executing the computer program.
10. a kind of non-transient computer readable storage medium, which is characterized in that be stored with computer journey on the storage medium
Sequence realizes such as method of any of claims 1-4 when the computer program is executed by processor.
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| CN113836350B (en) * | 2021-09-23 | 2024-02-27 | 深圳绿米联创科技有限公司 | Video retrieval method, system, device, storage medium and electronic equipment |
| CN114339103A (en) * | 2021-12-31 | 2022-04-12 | 广东泓胜科技股份有限公司 | Method and system for triggering law enforcement recorder in real time by checking and monitoring video management system |
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