CN101789029A - Analysis method, device and database of video images - Google Patents
Analysis method, device and database of video images Download PDFInfo
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Abstract
The embodiment of the invention discloses an analysis method, a device and a database of video images, wherein the method comprises the following steps: extracting video frames to be analyzed from a data source of the video images when the condition data used for image analysis is stored in the database, wherein the condition data comprises parameter data corresponding to program names and image analysis methods; extracting condition data matched with the video frames to be analyzed from the database; and carrying out image analysis on the obtained video frames by using parameter data in the extracted condition data. According to the embodiment of the invention, the image analysis effect can be improved, and various application requirements of users can be met.
Description
Technical field
The application relates to the multimedia processing technology field, particularly relates to a kind of analytical approach, device and database of video image.
Background technology
In 20 end of the centurys, along with the development of technology such as network communication, data compression and high capacity storage, the data volume of numerical information increases fast.Wherein, the most outstanding example is a digital television program, and the data volume in 1 year just can be up to several terabytes.In the face of the digital television program of magnanimity, from user's various application demands, one side is made a catalogue to digital television program in order to realize TV station, so that further management or filing; Also in order to realize that the televiewer searches for digital television program,, need carry out the analysis of video image on the other hand to the video image in the digital television program so that quick lock in meets the digital television program that spectators require.
So-called graphical analysis generally is meant and utilizes mathematical model, and the combining image treatment technology comes analysis video level image feature and superstructure, has certain intelligent information thereby extract.Mainly comprise analysis, explanation and identification to picture material.Graphical analysis comprises polytype, wherein, in the graphical analysis based on picture material, mainly includes picture structure analysis, recognition of face, caption text identification and special scenes and analyzes four types.
In various image analysis process, in order to finish analyzing and processing, need some Flame Image Process parameters to image, these Flame Image Process parameters have constituted the supplemental characteristic of image analysis process.For example, in picture structure was analyzed, supplemental characteristic comprised picture segmented areas position data, segmented areas background colour scope, zone boundary type and color etc.In recognition of face, supplemental characteristic comprises people's face coupling training result data file, face characteristic picture and similarity scope etc.
In the prior art, the various supplemental characteristics that are used for graphical analysis are fixedly installed on executable file.For some digital television programs,, just cannot change again in case supplemental characteristic is set in the executable file.But, in actual scene, digital television program can often change form, if being used for the supplemental characteristic of graphical analysis does not change adaptively along with the change of digital television program, and then can cause graphical analysis result's mistake, finally influence image analysis effect, can't satisfy user's various application demands.
Summary of the invention
In order to solve the problems of the technologies described above, the embodiment of the present application provides a kind of analytical approach and device of video image, to improve image analysis effect, satisfies user's various application demands.
The embodiment of the present application discloses following technical scheme:
A kind of analytical approach of video image, comprise: after the condition data that will be used for graphical analysis is stored in database, extract frame of video to be analyzed from the data source of video image, described condition data comprises and programm name and graphical analysis mode corresponding parameter data; From described database, extract the condition data that is complementary with described frame of video to be analyzed; Utilize the supplemental characteristic in the condition data of extracting that the frame of video of extracting to be analyzed is carried out graphical analysis.
Preferably, the described condition data that is complementary with described frame of video to be analyzed that extracts from database comprises: obtain the programm name of the affiliated program of described frame of video to be analyzed and the graphical analysis mode that described frame of video to be analyzed is analyzed; Programm name of from database, searching and obtaining and the corresponding condition data of graphical analysis mode.
Preferably, describedly from the data source of video image, extract frame of video to be analyzed and comprise: from the data source of video image, obtain the frame of video that is used for graphical analysis; Extract key frame according to shot segmentation technique from the frame of video of obtaining, described key frame is a frame of video to be analyzed.
Preferably, the data source of described video image comprises: the video file of storage or the real time data stream in the digital television program.
Preferably, described method also comprises: after the executable file that will be used for graphical analysis is stored in database, extract described executable file from database, according to the executable file that extracts the frame of video of obtaining to be analyzed is carried out graphical analysis, described executable file comprises condition data.
A kind of analytical equipment of video image, comprise: frame of video extraction unit to be analyzed, be used for after the condition data that will be used for graphical analysis is stored in database, extract frame of video to be analyzed from the data source of video image, described condition data comprises and programm name and graphical analysis mode corresponding parameter data; The condition data extraction unit is used for extracting the condition data that is complementary with described frame of video to be analyzed from described database; Image analyzing unit is used for utilizing the supplemental characteristic of the condition data of extraction that the frame of video of extracting to be analyzed is carried out graphical analysis.
Preferably, described condition data extraction unit comprises: first obtains subelement, is used to obtain the programm name of the affiliated program of described frame of video to be analyzed and the graphical analysis mode that described frame of video to be analyzed is analyzed; Search subelement, be used for programm name and the corresponding condition data of graphical analysis mode searching and obtain from database.
Preferably, described frame of video extraction unit to be analyzed comprises: second obtains subelement, is used for obtaining the frame of video that is used for graphical analysis from the data source of video image; The key-frame extraction subelement is used for extracting key frame according to shot segmentation technique from the frame of video of obtaining, and described key frame is a frame of video to be analyzed.
Preferably, the data source of described video image comprises: the video file of storage or the real time data stream in the digital television program.
Preferably, described device also comprises: the executable file extraction unit, be used for after the executable file that will be used for graphical analysis is stored in database, from database, extract described executable file, according to the executable file that extracts the frame of video of obtaining to be analyzed is carried out graphical analysis, described executable file comprises condition data.
A kind of database comprises that at least one is used for the condition data of graphical analysis, and described condition data comprises and programm name and graphical analysis mode corresponding parameter data.
As can be seen from the above-described embodiment, after the condition data that will be used for graphical analysis is stored in database, make that the supplemental characteristic in the condition data is independent from the entire process flow process of graphical analysis.For analytic system, when the analyzing and processing flow process of analytic system carries out image, from database, directly call required condition data.For database, this database can be accepted the manual intervention that the user carries out according to self use needs, the dynamically updating of fulfillment database.As, the user can revise the supplemental characteristic in each condition data in the database according to concrete user demand, so that analytic system can be carried out different image analysis process based on different supplemental characteristics.
Description of drawings
Ask embodiment or technical scheme of the prior art in this in order to be illustrated more clearly in, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiment of the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the process flow diagram of an embodiment of the analytical approach of a kind of video image of the application;
Fig. 2 is the scene synoptic diagram of a kind of carries out image analytic process of the application;
Fig. 3 is the process flow diagram of another embodiment of the analytical approach of a kind of video image of the application;
Fig. 4 is the structural drawing of an embodiment of the analytical equipment of a kind of video image of the application;
Fig. 5 is the structural drawing of another embodiment of the analytical equipment of a kind of video image of the application;
Fig. 6 is the structural drawing of another embodiment of the analytical equipment of a kind of video image of the application;
Fig. 7 is the structural representation of an embodiment of a kind of database of the application.
Embodiment
For above-mentioned purpose, the feature and advantage that make the application can become apparent more, the embodiment of the present application is described in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1, it is the process flow diagram of an embodiment of the analytical approach of a kind of video image of the application, and this method may further comprise the steps:
Step 101: after the condition data that will be used for graphical analysis is stored in database, extract frame of video to be analyzed from the data source of video image, described condition data comprises and programm name and graphical analysis mode corresponding parameter data;
In the application's embodiment, the condition data that needs to be used for graphical analysis in advance is stored in database, and wherein, the condition data that is used for graphical analysis comprises and programm name and graphical analysis mode corresponding parameter data.For example, in a condition data, include programm name " news hookup ", graphical analysis mode for the video image in " news hookup ": recognition of face, and the supplemental characteristic that in face recognition process, needs, as, supplemental characteristic can comprise people's face coupling training result data file, face characteristic picture and similarity scope etc. at least.After condition data is stored in database, follow-uply when treating the analysis video frame and carry out graphical analysis, can from database, call the corresponding condition data, utilize supplemental characteristic in the condition data to treat the analysis video frame and carry out graphical analysis.
Need to prove that in various image analysis process, in order to finish the analyzing and processing to image, need some Flame Image Process parameters, these Flame Image Process parameters have constituted the supplemental characteristic of image analysis process.In graphical analysis, mainly include picture structure analysis, recognition of face, caption text identification and special scenes and analyze four types based on picture material.Wherein, in picture structure was analyzed, supplemental characteristic comprised picture segmented areas position data, segmented areas background colour scope, zone boundary type and color at least.In recognition of face, supplemental characteristic comprises people's face coupling training result data file, face characteristic picture and similarity scope at least.In caption text identification, supplemental characteristic comprises Title area position data, Title area background colour scope, Title area color histogram threshold values and caption text type at least.In special scenes was analyzed, supplemental characteristic can change according to the variation of particular analysis mode, wherein, and the threshold values that supplemental characteristic uses when comprising some position range data, normal pictures and graphical analysis at least.Certainly, when adopting other graphical analysis mode, supplemental characteristic also can be different.The embodiment of the present application is not done qualification to the graphical analysis mode that is adopted, and simultaneously, the type of supplemental characteristic is not limited yet.
Wherein, describedly from the data source of video image, extract frame of video to be analyzed and comprise: from the data source of video image, obtain the frame of video that is used for graphical analysis; Extract key frame according to shot segmentation technique from the frame of video of obtaining, described key frame is a frame of video to be analyzed.
For example, generally, the data source of video image comprises two kinds, and a kind of data source is the video file of storage, and this data source is a kind of data of static state; Another kind of data source is the real time data stream in the digital television program, and this data source is a kind of dynamic data.
Video information is an image sequence that is looked like to form by set of diagrams, and each image just is called " frame ".Therefore, be exactly analytic process to the analytic process of video image to frame of video.Can from the data source of video image, extract each frame of video, and with each frame of video all as frame of video to be analyzed, then each frame of video is carried out graphical analysis.And another preferred embodiment is, after from the data source of video image, extracting each frame of video, from all frame of video of obtaining, extract key frame according to shot segmentation technique, the key frame that finally extracts as frame of video to be analyzed, is only carried out graphical analysis to key frame.This preferred embodiment can avoiding owing to analyze the too big problem of computer resource usage that each frame of video is brought.
Step 102: from described database, extract the condition data that is complementary with described frame of video to be analyzed;
Wherein, the described condition data that is complementary with described frame of video to be analyzed that extracts from database comprises: obtain the programm name of the affiliated program of described frame of video to be analyzed and the graphical analysis mode that described frame of video to be analyzed is analyzed; Programm name of from database, searching and obtaining and the corresponding condition data of graphical analysis mode.
For example, when obtain frame of video to be analyzed from the video file of storage after, and the programm name that gets access under the frame of video to be analyzed is " news hookup ", and treating the graphical analysis mode that the analysis video frame analyzes is recognition of face.As, in database, a condition data A includes programm name " news hookup ", for the graphical analysis mode of the video image in " news hookup ": recognition of face, and the supplemental characteristic that needs in face recognition process.Another condition data B includes programm name " news hookup ", for the graphical analysis mode of the video image in " news hookup ": caption text identification, and the supplemental characteristic that needs in the caption text identifying.The programm name " news hookup " and the graphical analysis mode that at this moment, can from database, find and obtain: the corresponding condition data A of recognition of face.
Step 103: utilize the supplemental characteristic in the condition data of extracting that the frame of video of extracting to be analyzed is carried out graphical analysis.
For example, after from database, finding condition data A, utilize the supplemental characteristic that comprises among the condition data A that the frame of video of obtaining is carried out graphical analysis.
Further, described method also comprises: after the executable file that will be used for graphical analysis is stored in database, from database, extract described executable file, so that according to the executable file that extracts the frame of video of obtaining to be analyzed is carried out graphical analysis, described executable file comprises condition data.
For example, for some specific image analysis process of carrying out for the specific demand of satisfying the user, the executable file that is used for specific graphical analysis can be stored in database, executable file comprises required condition data, from database, extract the executable file that is used for specific graphical analysis, the frame of video of obtaining to be analyzed is carried out graphical analysis according to the executable file that extracts.Wherein, can from database, find the condition data that is used for specific graphical analysis according to programm name and graphical analysis mode.
As can be seen from the above-described embodiment, after the condition data that will be used for graphical analysis is stored in database, make that the supplemental characteristic in the condition data is independent from the entire process flow process of graphical analysis.For analytic system, when the analyzing and processing flow process of analytic system carries out image, from database, directly call required condition data.For database, this database can be accepted the manual intervention that the user carries out according to self use needs, the dynamically updating of fulfillment database.As, the user can revise the supplemental characteristic in each condition data in the database according to concrete user demand, so that analytic system can be carried out different image analysis process based on different supplemental characteristics.
Embodiment two
See also Fig. 2, it is the scene synoptic diagram of a kind of carries out image analytic process of the application, in conjunction with the described scene synoptic diagram of Fig. 2, sees also Fig. 3, it is the process flow diagram of another embodiment of the analytical approach of a kind of video image of the application, and this method may further comprise the steps:
Step 301: the condition data that will be used for graphical analysis is stored in database, described condition data comprise supplemental characteristic and with corresponding programm name of supplemental characteristic and graphical analysis mode;
Wherein, if the renewal that database carries out, Network Search upgrades the source automatically after analytic system starts, and whether the condition data of searching in the local data base by the mode of mating one by one needs to upgrade, upgrade if desired, then download new condition data and old condition data is upgraded.If analytic system can be obtained new database in advance under the scene that breaks away from network environment, again the condition data in the new database is imported in the local database.
Step 302: from the data source of video image, obtain the frame of video that is used for graphical analysis;
Wherein, the user can select the real time data stream in the digital television program or the video file of storage by system.Real time data stream need or be looked several boxes by network interface card and receive, and at this moment, the user need carry out necessary setting to receiving trap, as IP address or frequency point information etc.
Step 303: from the frame of video of obtaining, extract key frame according to shot segmentation technique;
Step 304: obtain the programm name of the affiliated program of key frame and the graphical analysis mode that key frame is analyzed;
Step 305: programm name that from database, finds and obtain and the corresponding condition data of graphical analysis mode;
Step 306: utilize the supplemental characteristic in the condition data of extracting that key frame is carried out graphical analysis;
Step 307: output analysis result.
Wherein, result data can be preserved as XML with general format, so that the direct operational analysis result of other system.
As can be seen from the above-described embodiment, after the condition data that will be used for graphical analysis is stored in database, make that the supplemental characteristic in the condition data is independent from the entire process flow process of graphical analysis.For analytic system, when the analyzing and processing flow process of analytic system carries out image, from database, directly call required condition data.For database, this database can be accepted the manual intervention that the user carries out according to self use needs, the dynamically updating of fulfillment database.As, the user can revise the supplemental characteristic in each condition data in the database according to concrete user demand, so that analytic system can be carried out different image analysis process based on different supplemental characteristics.
Embodiment three
Corresponding with the analytical approach of above-mentioned a kind of video image, the embodiment of the present application also provides a kind of analytical equipment of video image.See also Fig. 4, it is the structural drawing of an embodiment of the analytical equipment of a kind of video image of the application, and this device comprises frame of video extraction unit 401 to be analyzed, condition data extraction unit 402 and image analyzing unit 403.Principle of work below in conjunction with this device is further introduced its inner structure and annexation.
Frame of video extraction unit 401 to be analyzed, be used for after the condition data that will be used for graphical analysis is stored in database, extract frame of video to be analyzed from the data source of video image, described condition data comprises and programm name and graphical analysis mode corresponding parameter data;
Condition data extraction unit 402 is used for extracting the condition data that is complementary with described frame of video to be analyzed from described database;
Wherein, the data source of video image comprises: the video file of storage or the real time data stream in the digital television program.
See also Fig. 5, it is the structural drawing of another embodiment of the analytical approach of a kind of video image of the application, and wherein, condition data extraction unit 402 comprises: first obtains subelement 4021 and searches subelement 4022,
First obtains subelement 4021, is used to obtain the programm name of the affiliated program of described frame of video to be analyzed and the graphical analysis mode that described frame of video to be analyzed is analyzed;
Search subelement 4022, be used for programm name and the corresponding condition data of graphical analysis mode searching and obtain from database.
Frame of video extraction unit 401 to be analyzed comprises: second obtains subelement 4011 and key-frame extraction subelement 4012,
Second obtains subelement 4011, is used for obtaining the frame of video that is used for graphical analysis from the data source of video image;
Key-frame extraction subelement 4012 is used for extracting key frame according to shot segmentation technique from the frame of video of obtaining, and described key frame is a frame of video to be analyzed.
See also Fig. 6, it is the structural drawing of another embodiment of a kind of video image analysis method of the application, wherein, described device further comprises executable file extraction unit 404, be used for after the executable file that will be used for graphical analysis is stored in database, extract described executable file from database, according to the executable file that extracts the frame of video of obtaining to be analyzed is carried out graphical analysis, described executable file comprises condition data.
As can be seen from the above-described embodiment, after the condition data that will be used for graphical analysis is stored in database, make that the supplemental characteristic in the condition data is independent from the entire process flow process of graphical analysis.For analytic system, when the analyzing and processing flow process of analytic system carries out image, from database, directly call required condition data.For database, this database can be accepted the manual intervention that the user carries out according to self use needs, the dynamically updating of fulfillment database.As, the user can revise the supplemental characteristic in each condition data in the database according to concrete user demand, so that analytic system can be carried out different image analysis process based on different supplemental characteristics.
The embodiment of the present application also provides a kind of database, see also Fig. 7, it is the structural representation of an embodiment of a kind of database of the application, this database 701 comprises at least one condition data that is used for graphical analysis 7011, and condition data 7011 comprises and programm name and graphical analysis mode corresponding parameter data.
As can be seen from the above-described embodiment, after the condition data that will be used for graphical analysis is stored in database, make that the supplemental characteristic in the condition data is independent from the entire process flow process of graphical analysis.For analytic system, when the analyzing and processing flow process of analytic system carries out image, from database, directly call required condition data.For database, this database can be accepted the manual intervention that the user carries out according to self use needs, the dynamically updating of fulfillment database.As, the user can revise the supplemental characteristic in each condition data in the database according to concrete user demand, so that analytic system can be carried out different image analysis process based on different supplemental characteristics.
Need to prove, one of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random AccessMemory, RAM) etc.
More than analytical approach, device and the database of a kind of video image that the application provided is described in detail, used specific embodiment herein the application's principle and embodiment are set forth, the explanation of above embodiment just is used to help to understand the application's method and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to the application's thought, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.
Claims (11)
1. the analytical approach of a video image is characterized in that, comprising:
After the condition data that will be used for graphical analysis is stored in database, from the data source of video image, extract frame of video to be analyzed, described condition data comprises and programm name and graphical analysis mode corresponding parameter data;
From described database, extract the condition data that is complementary with described frame of video to be analyzed;
Utilize the supplemental characteristic in the condition data of extracting that the frame of video of extracting to be analyzed is carried out graphical analysis.
2. method according to claim 1 is characterized in that, the described condition data that is complementary with described frame of video to be analyzed that extracts from database comprises:
Obtain the programm name of the affiliated program of described frame of video to be analyzed and the graphical analysis mode that described frame of video to be analyzed is analyzed;
Programm name of from database, searching and obtaining and the corresponding condition data of graphical analysis mode.
3. method according to claim 1 is characterized in that, describedly extracts frame of video to be analyzed comprise from the data source of video image:
From the data source of video image, obtain the frame of video that is used for graphical analysis;
Extract key frame according to shot segmentation technique from the frame of video of obtaining, described key frame is a frame of video to be analyzed.
4. method according to claim 1 is characterized in that, the data source of described video image comprises: the video file of storage or the real time data stream in the digital television program.
5. according to any described method of claim 1-4, it is characterized in that described method also comprises:
After the executable file that will be used for graphical analysis is stored in database, from database, extract described executable file, according to the executable file that extracts the frame of video of obtaining to be analyzed is carried out graphical analysis, described executable file comprises condition data.
6. the analytical equipment of a video image is characterized in that, comprising:
Frame of video extraction unit to be analyzed, be used for after the condition data that will be used for graphical analysis is stored in database, extract frame of video to be analyzed from the data source of video image, described condition data comprises and programm name and graphical analysis mode corresponding parameter data;
The condition data extraction unit is used for extracting the condition data that is complementary with described frame of video to be analyzed from described database;
Image analyzing unit is used for utilizing the supplemental characteristic of the condition data of extraction that the frame of video of extracting to be analyzed is carried out graphical analysis.
7. device according to claim 6 is characterized in that, described condition data extraction unit comprises:
First obtains subelement, is used to obtain the programm name of the affiliated program of described frame of video to be analyzed and the graphical analysis mode that described frame of video to be analyzed is analyzed;
Search subelement, be used for programm name and the corresponding condition data of graphical analysis mode searching and obtain from database.
8. device according to claim 6 is characterized in that, described frame of video extraction unit to be analyzed comprises:
Second obtains subelement, is used for obtaining the frame of video that is used for graphical analysis from the data source of video image;
The key-frame extraction subelement is used for extracting key frame according to shot segmentation technique from the frame of video of obtaining, and described key frame is a frame of video to be analyzed.
9. device according to claim 6 is characterized in that, the data source of described video image comprises: the video file of storage or the real time data stream in the digital television program.
10. device according to claim 6 is characterized in that, described device also comprises:
The executable file extraction unit, be used for after the executable file that will be used for graphical analysis is stored in database, extract described executable file from database, according to the executable file that extracts the frame of video of obtaining to be analyzed is carried out graphical analysis, described executable file comprises condition data.
11. a database is characterized in that, comprises that at least one is used for the condition data of graphical analysis, described condition data comprises and programm name and graphical analysis mode corresponding parameter data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010133405.4A CN101789029B (en) | 2010-03-10 | 2010-03-10 | Analysis method, device and database of video images |
| HK10110447.6A HK1143880A1 (en) | 2010-03-10 | 2010-11-10 | Method and device for analyzing video images, and database |
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| CN201010133405.4A CN101789029B (en) | 2010-03-10 | 2010-03-10 | Analysis method, device and database of video images |
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| CN101789029B CN101789029B (en) | 2015-04-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104994404A (en) * | 2015-07-06 | 2015-10-21 | 无锡天脉聚源传媒科技有限公司 | Method and device for obtaining keywords for video |
| CN111836102A (en) * | 2019-04-23 | 2020-10-27 | 杭州海康威视数字技术股份有限公司 | Video frame analysis method and device |
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| US20070291988A1 (en) * | 2005-03-18 | 2007-12-20 | Karimov Maxim R | Method and device for protecting products against counterfeiting |
| AU2008220838A1 (en) * | 2007-02-27 | 2008-09-04 | Accenture Global Services Limited | Video call device control |
| CN101364265A (en) * | 2008-09-18 | 2009-02-11 | 北京中星微电子有限公司 | Method for auto configuring equipment parameter of electronic appliance and ccd camera |
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| US20070291988A1 (en) * | 2005-03-18 | 2007-12-20 | Karimov Maxim R | Method and device for protecting products against counterfeiting |
| AU2008220838A1 (en) * | 2007-02-27 | 2008-09-04 | Accenture Global Services Limited | Video call device control |
| CN101622871A (en) * | 2007-02-27 | 2010-01-06 | 埃森哲环球服务有限公司 | Video call device control |
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| CN104994404A (en) * | 2015-07-06 | 2015-10-21 | 无锡天脉聚源传媒科技有限公司 | Method and device for obtaining keywords for video |
| CN111836102A (en) * | 2019-04-23 | 2020-10-27 | 杭州海康威视数字技术股份有限公司 | Video frame analysis method and device |
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| HK1143880A1 (en) | 2011-01-14 |
| CN101789029B (en) | 2015-04-29 |
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