CN106709466A - MPEG7 standard-based electric equipment image recognition method and system - Google Patents
MPEG7 standard-based electric equipment image recognition method and system Download PDFInfo
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- CN106709466A CN106709466A CN201611258669.6A CN201611258669A CN106709466A CN 106709466 A CN106709466 A CN 106709466A CN 201611258669 A CN201611258669 A CN 201611258669A CN 106709466 A CN106709466 A CN 106709466A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/30—Scenes; Scene-specific elements in albums, collections or shared content, e.g. social network photos or video
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/51—Indexing; Data structures therefor; Storage structures
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/583—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
- G06F16/5838—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using colour
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Abstract
The invention belongs to the technical field of image recognition, and specifically relates to an MPEG7 standard-based electric equipment image recognition method and system. The MPEG7 standard-based electric equipment image recognition method and system can be used for carrying out real-time monitoring and automatic recognition on electric equipment, and have extremely high expansibility. An adopted technical scheme is that the method comprises the following steps of: creating an MPEG7 framework-based feature database; establishing an MPEG7 standard-based electric equipment target descriptor; completing a target description framework; collecting image information of target electric equipment; extracting image features of the target electric equipment; comparing the extracted feature data with standard feature data stored in the feature database; and tracking or recognizing the target electric equipment after determining that the compared feature data is identical with each other. The method and system provided by the invention are suitable for the field of image recognition.
Description
Technical field
The invention belongs to the technical field of image recognition, and in particular to a kind of power equipment image based on MPEG7 standards
Recognition methods and system.
Background technology
With the development of network technology and multimedia technology, the multimedia messages of magnanimity everyday update, due to there is Netowrk tape
Limitation wide, JPEG and Motion Picture Experts Group develop MPEG7, it define abundant multimedia video,
Audio descriptor.
The identification of video content and detection are a very popular topics in computer vision field nearly ten years.With
A large amount of risings of the demand of video surveillance applications, increasing application scenarios have been related to the automatic identification inspection of video content
Survey.Feng Bing in 2011【Feng Bing are based on multi-modal video content recognition algorithm research [D] of space-time characteristic and bag of words
The extra large university of communications of in January, 2011, Jiang Xing was great, grandson's lance cutting edge of a knife or a sword】Article in used most basic MPEG7 Feature Descriptors to enter
The extraction of row specification features, and the automatic identification of target is carried out with reference to bag of words and SVM；Guo Hui is intelligent within 2010【The intelligent moulds of Guo Hui
Paste structure and its application [D] the Institutes Of Technology Of Taiyuan of emotional noumenon framework, Chen person of outstanding talent, in 2010】Experiment in, be based on
The graphics standard of MPEG7, it is proposed that fuzzy emotional noumenon framework, and be applied in the middle of image retrieval, achieve preferably
Effect.Recently as the implementation of unattended operation transformer station, video security monitoring system is increasingly being applied in transformer station,
Traditional video monitoring system cannot meet supervisory control of substation nobody and intelligent requirements.Thus monitor in real time and automatic identification,
Have become the inexorable trend of power system development instantly.
The content of the invention
The present invention overcomes the shortcomings of that prior art is present, and technical problem to be solved is：There is provided one kind can be to electric power
Equipment carries out monitor in real time and automatic identification, and the high power equipment image-recognizing method based on MPEG7 standards of autgmentability
And system.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：Power equipment figure based on MPEG7 standards
Picture
Recognition methods, including：The property data base of S101, establishment based on MPEG7 frameworks；S102, foundation are based on MPEG7 standards
Power equipment goal descriptor；S103, improve goal description framework；The image information of S104, collection target power equipment；
S105, the characteristics of image for extracting target power equipment；The base stored in S106, the characteristic that will be extracted and property data base
Quasi- characteristic is compared；After S107, the characteristic matches mutually that is compared to each other of determination, target power equipment is carried out with
Track or identification.
Preferably, it is described to set up the power equipment goal descriptor based on MPEG7 standards, specifically include：Collection benchmark electricity
The image information of power equipment；Extract the characteristics of image of benchmark power equipment；The characteristic that will be extracted is stored in characteristic
Storehouse.
Preferably, when the characteristic being compared to each other misfits mutually, to the reference characteristic data in property data base
After being updated, then target power equipment is tracked or recognized.
Preferably, the reference characteristic data in property data base are updated, and specifically include：The spy that will be extracted
Levy data add property data base in, as new reference characteristic data.
Preferably, described image information includes：Video information and pictorial information, when the information for collecting is video information
When, video is divided into after multiple pictures in units of frame, then the extraction of feature is carried out to the area-of-interest of picture.
Correspondingly, the power equipment image identification system based on MPEG7 standards, including：Creating unit：It is based on for creating
The property data base of MPEG7 frameworks；Set up unit：For setting up the power equipment goal descriptor based on MPEG7 standards；It is perfect
Unit：For improving goal description framework；First collecting unit：Image information for gathering target power equipment；First carries
Take unit：Characteristics of image for extracting target power equipment；Comparing unit：For the characteristic and characteristic that will extract
It is compared according to the reference characteristic data stored in storehouse；Recognition unit：For the characteristic matches mutually for determining to be compared to each other
Afterwards, target power equipment is tracked or is recognized.
Preferably, the unit of setting up includes：Second collecting unit：Image information for gathering benchmark power equipment；
Second extraction unit：Characteristics of image for extracting benchmark power equipment；Storage unit：For the characteristic that will be extracted
It is stored in property data base.
Preferably, also include：Updating block：For when the characteristic being compared to each other misfits mutually, to characteristic
It is updated according to the reference characteristic data in storehouse, finally just target power equipment is tracked or recognized.
Preferably, the updating block includes：Adding device：Characteristic for that will extract adds property data base
In, as new reference characteristic data.
Preferably, described image information includes：Video information and pictorial information；Power equipment image identification system is also wrapped
Include：Division unit：For when the information for collecting is video information, video is divided into units of frame multiple pictures it
Afterwards, then to the area-of-interest of picture the extraction of feature is carried out.
The present invention has the advantages that compared with prior art：The present invention is for power equipment species is more, state is multiple
Situation that is miscellaneous, needing various features collective effect to carry out equipment description, perfect one group of standard descriptor based on MPEG7 standards
And description pattern, while setting up the describing framework based on MPEG7, its feature can not only be stored in property data base
Power equipment carry out monitor in real time and automatic identification, and during the use in later stage, can also carry out succinct effective
Information is added and deleted, beneficial to maintenance and expansion.
Brief description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is that the flow of the power equipment image-recognizing method based on MPEG7 standards that the embodiment of the present invention one is provided is shown
It is intended to；
Fig. 2 is power equipment spy in the power equipment image-recognizing method based on MPEG7 standards that the embodiment of the present invention one is provided
Levy the E-R figures of database；
Fig. 3 is power equipment in the power equipment image-recognizing method based on MPEG7 standards that the embodiment of the present invention one is provided
MPEG7 frame diagrams；
Fig. 4 is the structural representation of the power equipment image identification system based on MPEG7 standards that the embodiment of the present invention one is provided；
Fig. 5 is the structural representation of the power equipment image identification system based on MPEG7 standards that the embodiment of the present invention two is provided；
Fig. 6 is the structural representation of the power equipment image identification system based on MPEG7 standards that the embodiment of the present invention three is provided；
Fig. 7 is the structural representation of the power equipment image identification system based on MPEG7 standards that the embodiment of the present invention four is provided；
Fig. 8 is the structural representation of the power equipment image identification system based on MPEG7 standards that the embodiment of the present invention five is provided；
In figure：101 is creating unit, and 102 to set up unit, and 103 to improve unit, and 104 is the first collecting unit, and 105 is the
One extraction unit, 106 is comparing unit, and 107 is recognition unit, and 108 is updating block, and 109 is division unit, and 1021 is second
Collecting unit, 1022 is the second extraction unit, and 1023 is storage unit, and 1081 is adding device.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the invention, rather than whole embodiments；Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is that the flow of the power equipment image-recognizing method based on MPEG7 standards that the embodiment of the present invention one is provided is shown
It is intended to, as shown in figure 1, the power equipment image-recognizing method based on MPEG7 standards, including：
The property data base of S101, establishment based on MPEG7 frameworks.
The power equipment goal descriptor of S102, foundation based on MPEG7 standards.
S103, improve goal description framework.
The image information of S104, collection target power equipment.
S105, the characteristics of image for extracting target power equipment.
The reference characteristic data stored in S106, the characteristic that will be extracted and property data base are compared.
After the characteristic matches mutually that S107, determination are compared to each other, target power equipment is tracked or recognized.
Simple feature descriptor is only provided in MPEG7, based on actual conditions, the description for meeting power system is increased
Son.The present embodiment is based on MPEG7 standards, analyzes the video features of power equipment, and framework is carried out so as to be extracted
Build, be easy to the maintenance and renewal in later stage.Fig. 2 is the power equipment figure based on MPEG7 standards that the embodiment of the present invention one is provided
As the E-R figures of power equipment property data base in recognition methods, Fig. 3 is the offer of the embodiment of the present invention one based on MPEG7 standards
Power equipment image-recognizing method in power equipment MPEG7 frame diagrams, table 1 to table 4 show frame diagram top layer to the 4th
The information of layer：
The frame diagram top layer information of table 1
The frame diagram second layer information of table 2
The frame diagram third layer information of table 3
The 4th layer of information of the frame diagram of table 4
Video features required for being extracted from description of MPEG7 describe son, successively downwards, with reference to power system device
Information structure feature framework.
The sub- Content Description of description of top layer represent the essential information of video in table 1.Table 2 the former
Equipment Structure represent equipment feature, including Color colors, Texture textures, Shape shape three major types, category
Son, many-sided description equipment, so as to carry out the identification of equipment are described in MPEG7 standards；The latter Semantics represents semantic letter
Breath, refers to the ruuning situation of power equipment, including Time, Place, State and Name, is directed to the basic of common power equipment
Newly-increased frame information description that information is managed；It is separate between the two, the content and structure of video are improved jointly.
State information tables are increased for power system in table 4, mainly includes the operating several states of equipment, be to power system
The summary of equipment most common failure, is roughly divided into several situations such as oil leak, deflection, suspension foreign matter.
Specifically, described image information may include：Video information and pictorial information, when the information for collecting is video information
When, video is divided into after multiple pictures in units of frame, then the extraction of feature is carried out to the area-of-interest of picture.
Further, it is described to set up the power equipment goal descriptor based on MPEG7 standards, specifically may include：
Gather the image information of benchmark power equipment.
Extract the characteristics of image of benchmark power equipment.
The characteristic that will be extracted is stored in property data base.
Specifically, described image information may also comprise：Video information and pictorial information, if video information, then by video
Information is divided into multiple pictures in units of frame, and then the area-of-interest again to picture carries out the extraction of feature.
Further, when the characteristic being compared to each other misfits mutually, i.e., when do not found in property data base with
During the reference characteristic data that the characteristic extracted matches, it is updated to the reference characteristic data in property data base
Afterwards, then to target power equipment it is tracked or recognizes.
Further, the reference characteristic data in property data base are updated, and specifically include：
The characteristic that will be extracted is added in property data base, as new reference characteristic data.
Specifically, when in the characteristic addition property data base that will be extracted, can be using addition manually, also can be using certainly
Dynamic addition.
The present embodiment by the common pointer watch dial of power equipment, the experiment of Data expansion being carried out as experimental subjects,
Shape facility and edge feature are extracted according to dial plate picture, feature is saved in data by the cannonical format of MPEG7 respectively
Among storehouse Shape, Texture, and in state State add safe condition restrictive condition, carry out monitor in real time, and carry out
Alarm.It is demonstrated experimentally that can accurately be alarmed when breaker is less than 620kpa abs.
The present embodiment is for power equipment species is more, state complex, need the various features collective effect to carry out equipment description
Situation, perfect one group of standard descriptor and description pattern based on MPEG7 standards, while setting up the description based on MPEG7
Framework, the power equipment that can not only be stored in its feature in property data base carries out monitor in real time and automatic identification,
And during the use in later stage, succinct effective information addition can also be carried out and deleted, beneficial to maintenance and expansion.
Fig. 4 is that the structure of the power equipment image identification system based on MPEG7 standards that the embodiment of the present invention one is provided is shown
It is intended to, as shown in figure 4, the power equipment image identification system based on MPEG7 standards, including：
Creating unit 101：For creating the property data base based on MPEG7 frameworks.
Set up unit 102：For setting up the power equipment goal descriptor based on MPEG7 standards.
Improve unit 103：For improving goal description framework.
First collecting unit 104：Image information for gathering target power equipment.
First extraction unit 105：Characteristics of image for extracting target power equipment.
Comparing unit 106：Characteristic and the reference characteristic data of storage in property data base for that will extract are entered
Row compares.
Recognition unit 107：After determining the characteristic matches mutually that is compared to each other, target power equipment is carried out with
Track or identification.
Fig. 5 is that the structure of the power equipment image identification system based on MPEG7 standards that the embodiment of the present invention two is provided is shown
It is intended to, as shown in figure 5, on the basis of embodiment one, the unit 102 of setting up may include：
Second collecting unit 1021：Image information for gathering benchmark power equipment.
Second extraction unit 1022：Characteristics of image for extracting benchmark power equipment.
Storage unit 1023：Characteristic for that will extract is stored in property data base.
Fig. 6 is that the structure of the power equipment image identification system based on MPEG7 standards that the embodiment of the present invention three is provided is shown
It is intended to, as shown in fig. 6, on the basis of embodiment one, the power equipment image identification system based on MPEG7 standards, also
Including：
Updating block 108：For when the characteristic being compared to each other misfits mutually, to the reference characteristic in property data base
Data are updated, and finally just target power equipment is tracked or recognized.
Fig. 7 is that the structure of the power equipment image identification system based on MPEG7 standards that the embodiment of the present invention four is provided is shown
It is intended to as shown in fig. 7, on the basis of embodiment three, the updating block 108 may include：
Adding device 1081：Characteristic for that will extract is added in property data base, as new reference characteristic data.
Fig. 8 is that the structure of the power equipment image identification system based on MPEG7 standards that the embodiment of the present invention five is provided is shown
It is intended to, as shown in figure 8, on the basis of embodiment one, described image information includes：Video information and pictorial information；
The power equipment image identification system based on MPEG7 standards also includes：
Division unit 109：For when the information for collecting is video information, video to be divided into multiple pictures in units of frame
Afterwards, then to the area-of-interest of picture the extraction of feature is carried out.
The present invention is that, based on MPEG7 standards, the video features for power equipment and its state build describing framework, so that
Power equipment is classified and its state recognition, mainly for the power equipment intelligent monitor system later stage maintenance, upgrading and
Management provides convenience, the advantage is that and extends international MPEG7 description standards, and the later stage only needs to add according to specification
Plus the feature of description object is to be capable of achieving to increase monitoring object, without recompilating debugging system, improves scalability.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. the power equipment image-recognizing method of MPEG7 standards is based on, it is characterised in that：Including：
The property data base of S101, establishment based on MPEG7 frameworks；
The power equipment goal descriptor of S102, foundation based on MPEG7 standards；
S103, improve goal description framework；
The image information of S104, collection target power equipment；
S105, the characteristics of image for extracting target power equipment；
The reference characteristic data stored in S106, the characteristic that will be extracted and property data base are compared；
After the characteristic matches mutually that S107, determination are compared to each other, target power equipment is tracked or recognized.
2. the power equipment image-recognizing method based on MPEG7 standards according to claim 1, it is characterised in that：It is described
The power equipment goal descriptor based on MPEG7 standards is set up, is specifically included：
Gather the image information of benchmark power equipment；
Extract the characteristics of image of benchmark power equipment；
The characteristic that will be extracted is stored in property data base.
3. the power equipment image-recognizing method based on MPEG7 standards according to claim 1, it is characterised in that：Work as phase
When the characteristic for mutually comparing misfits mutually, after being updated to the reference characteristic data in property data base, then to mesh
Mark power equipment is tracked or recognizes.
4. the power equipment image-recognizing method based on MPEG7 standards according to claim 3, it is characterised in that：It is described
Reference characteristic data in property data base are updated, are specifically included：
The characteristic that will be extracted is added in property data base, as new reference characteristic data.
5. the power equipment image-recognizing method based on MPEG7 standards according to claim 1, it is characterised in that：It is described
Image information includes：Video information and pictorial information, when the information for collecting is video information, video are drawn in units of frame
It is divided into after multiple pictures, then the extraction of feature is carried out to the area-of-interest of picture.
6. the power equipment image identification system of MPEG7 standards is based on, it is characterised in that：Including：
Creating unit（101）：For creating the property data base based on MPEG7 frameworks；
Set up unit（102）：For setting up the power equipment goal descriptor based on MPEG7 standards；
Improve unit（103）：For improving goal description framework；
First collecting unit（104）：Image information for gathering target power equipment；
First extraction unit（105）：Characteristics of image for extracting target power equipment；
Comparing unit（106）：Characteristic and the reference characteristic data of storage in property data base for that will extract are carried out
Compare；
Recognition unit（107）：After the characteristic matches mutually being compared to each other for determination, target power equipment is tracked
Or identification.
7. the power equipment image identification system based on MPEG7 standards according to claim 6, it is characterised in that：It is described
Set up unit（102）Including：
Second collecting unit（1021）：Image information for gathering benchmark power equipment；
Second extraction unit（1022）：Characteristics of image for extracting benchmark power equipment；
Storage unit（1023）：Characteristic for that will extract is stored in property data base.
8. the power equipment image identification system based on MPEG7 standards according to claim 6, it is characterised in that：Also wrap
Include：
Updating block（108）：It is special to the benchmark in property data base for when the characteristic being compared to each other misfits mutually
Levy data to be updated, finally just target power equipment is tracked or recognized.
9. the power equipment image identification system based on MPEG7 standards according to claim 6, it is characterised in that：It is described
Updating block（108）Including：
Adding device（1081）：Characteristic for that will extract is added in property data base, as new reference characteristic number
According to.
10. the power equipment image identification system based on MPEG7 standards according to claim 6, it is characterised in that：It is described
Image information includes：Video information and pictorial information；
The power equipment image identification system based on MPEG7 standards, also includes：
Division unit（109）：For when the information for collecting is video information, video to be divided into multiple figures in units of frame
After piece, then the extraction that feature is carried out to the area-of-interest of picture.
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| CN201611258669.6A CN106709466A (en) | 2016-12-30 | 2016-12-30 | MPEG7 standard-based electric equipment image recognition method and system |
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