CN101930770A - Video data fast search slice engine and search method thereof - Google Patents
Video data fast search slice engine and search method thereof Download PDFInfo
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- CN101930770A CN101930770A CN 201010260101 CN201010260101A CN101930770A CN 101930770 A CN101930770 A CN 101930770A CN 201010260101 CN201010260101 CN 201010260101 CN 201010260101 A CN201010260101 A CN 201010260101A CN 101930770 A CN101930770 A CN 101930770A
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Abstract
The invention provides a video data fast search slice engine, which comprises a time scale manager, a frame manager, a video manager and a slice navigator, wherein the time scale manager is used for managing a time scale range of a video to be searched; the frame manager is used for control management of a display frame; the video manager is used for processing video frame data of a slice point; and the slice navigator is used for navigation control of video play progress in the searching process. A search method of the video data fast search slice engine comprises the following steps of: inputting a query condition, searching related video data and dividing the video data into at least two slices; sorting the slices according to time sequence and carrying out scale division to obtain time points of the slices; acquiring video frames according to the time points of the slices and conveying the video frames to corresponding frame zones; and clicking one frame and carrying out slice division on a time segment represented by the frame again or quitting the slice and returning to the previous slice. The video data fast search slice engine and the search method thereof improve video search speed.
Description
[technical field]
The present invention relates to a kind of video technique field, especially relate to a kind of equipment and method of video frequency searching.
[background technology]
Existing digital video monitoring field, the analog video signal of video processor to collecting carries out digitizing, and by after the encoding compression, the video data after will compressing usually leaves hard disk in the mode of file or Frame, in the peripheral hardwares such as SD card again.When the user need consult video data and playback video, press the condition of the time slice of video usually as retrieval.Inquire corresponding video file, or directly navigate to the position that video data is deposited.Then by the relevant video data of player plays.In the playing process by single frames, many times of F.F.s, put upside down and put slowly and wait the needed picture of search query user.There are the slow characteristics of search speed in the video search technology now.Promptly before search, must know video segment time point roughly,, can only play affirmation one by one, cause effectiveness of retrieval very low the multitude of video data that retrieve if there is not the correct time point.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of video data to search for slice engine and searching method fast, overcomes the slow deficiency of search speed that exists in the background technology.
The present invention is achieved in that
A kind of video data of the present invention is searched for slice engine fast, and it comprises:
The time scale manager, the responsible time scale scope of handling the video that will search for;
The picture manager is responsible for the control and management of display frame, and described video data is divided at least two sections according to scale, the corresponding picture area of each section, and described section is rank order in chronological sequence, and obtains the time point of described each section end;
Video Manager is responsible for handling near the video requency frame data of section point, obtains corresponding frame of video according to each section time point, and described frame of video is transported to corresponding picture area;
The navigate device, the Navigation Control of the video playback progress when being responsible for the section search.
Further, described picture manager is controlled the broadcasting speed of picture by setting broadcast interval time and broadcast redirect time.
Further, described picture manager is responsible for controlling the switching between the picture area not at the same level.
The invention provides and a kind ofly search for the searching method of slice engine fast based on video data, its step is:
001, input inquiry condition, the video data that search is relevant;
002, described video data is divided at least two sections according to scale, the corresponding picture area of each section, described section is rank order in chronological sequence;
003, the time point of each section end described in the obtaining step 002;
004, the time point according to described each section obtains frame of video, and frame of video is transported to corresponding picture area, if find that comprising the video data that will retrieve to some extent then changes step 005, otherwise changes step 006;
005, clicks a picture area,, skip to step 002 division of cutting into slices again of the time period of its representative;
006, withdraws from this grade pet chip, return the upper level section;
007, repeating step 005 and step 006 are until finding required picture.
Further, the querying condition in the described step 001 is the time period of the video that will search for.
Further, the scale of described step 002 is divided into the overall time divided by the picture area number, and each picture area is represented a time period.
The present invention has following advantage:
The present invention is by the query time section of input, retrieve corresponding video, the video that is retrieved is divided into some pictures, again the further scale of each picture is divided into the picture of some next stage, make the user to reduce the scope step by step like this, retrieve needed picture fast, allow the user can be in the data of long-time section magnanimity, can search the needed video segment of user fast, submit the efficient of searching of video greatly to.
[description of drawings]
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 searches for the structural representation of slice engine embodiment fast for video data of the present invention.
Fig. 2 is the process flow diagram of a kind of searching method of the present invention.
[embodiment]
Fig. 1 is the structural representation that video data of the present invention is searched for slice engine embodiment fast, and as shown in Figure 1, it comprises:
Fig. 2 is the process flow diagram of a kind of searching method of the present invention.
001, input inquiry condition, the video data that search is relevant, the querying condition of importing as present embodiment is that time period 2010-8-7 day 00:00 assigns to 2010-8-7 day 24:00 branch;
002, described video data is divided at least two sections according to scale, the corresponding picture area of each section, described section is rank order in chronological sequence, is divided into 9 pictures as present embodiment, and series arrangement in chronological sequence;
003, the time point of each section end described in the obtaining step 002, the time period of each picture representative is 160 minutes in the present embodiment;
004, the time point according to each section obtains frame of video, and frame of video is transported to corresponding picture area, if find that comprising the video data that will retrieve to some extent then changes step 005, otherwise changes step 006;
005, clicks a picture, the time period of its representative is cut into slices again, skip to step 3, as in the present embodiment, if click first width of cloth figure, then 00:00 to be divided to the time period that 02:40 divides to be divided into 9 time periods once more, each time period shows a width of cloth figure;
006, withdraws from this grade pet chip, return the upper level section;
Repeating step 005 and step 006 are until finding required picture.
In order to make expression of the present invention more detailed,
N=lg(T)/lg(p)
Wherein: N is the section number of times that navigates to 1 second picture needs; T is the reproduction time of video, unit second; P is the frame numbers of section.
Suppose, search for a month video, 30 pictures show that once section needs 2 seconds, required time: lg (30 * 24 * 60 * 60)/lg (30) * 2=4.34 * 2 ≈ 10 seconds.This has greatly improved the efficient of search.
Based on the embodiment among the present invention, those of ordinary skills are under the prerequisite of not making performing creative labour, and the every other embodiment that is obtained belongs to the scope of protection of the invention.
Claims (6)
1. a video data is searched for slice engine fast, and it is characterized in that: it comprises
The time scale manager, the responsible time scale scope of handling the video that will search for;
The picture manager is responsible for the control and management of display frame, and described video data is divided at least two sections according to scale, the corresponding picture area of each section, and described section is rank order in chronological sequence, and obtains the time point of described each section end;
Video Manager, the responsible video requency frame data of handling the section point obtains corresponding frame of video according to each section time point, and described frame of video is transported to corresponding picture area;
The navigate device, the Navigation Control of the video playback progress when being responsible for the section search.
2. a kind of video data according to claim 1 is searched for slice engine fast, it is characterized in that: described picture manager is controlled the broadcasting speed of picture by setting broadcast interval time and broadcast redirect time.
3. a kind of video data according to claim 1 is searched for slice engine fast, it is characterized in that: described picture manager is responsible for controlling the switching between the picture area not at the same level.
4. a video data as claimed in claim 1 is searched for the searching method of slice engine fast, it is characterized in that: comprise the steps:
001, input inquiry condition, the video data that search is relevant;
002, described video data is divided at least two sections according to scale, the corresponding picture area of each section, described section is rank order in chronological sequence;
003, the time point of each section end described in the obtaining step 002;
004, the time point according to described each section obtains frame of video, and frame of video is transported to corresponding picture area, if find that comprising the video data that will retrieve to some extent then changes step 005, otherwise changes step 006;
005, clicks a picture area,, skip to step 002 division of cutting into slices again of the time period of its representative;
006, withdraws from this grade pet chip, return the upper level section;
007, repeating step 005 and step 006 are until finding required picture.
5. a kind of searching method according to claim 4 is characterized in that: the querying condition in the described step 001 is the time period of the video that will search for.
6. a kind of searching method according to claim 4 is characterized in that: the scale of described step 002 is divided into the overall time divided by the picture area number, and each picture area is represented a time period.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103873955A (en) * | 2012-12-18 | 2014-06-18 | 联想(北京)有限公司 | Video acquisition method and device |
CN108271049A (en) * | 2017-12-01 | 2018-07-10 | 优视科技有限公司 | The method, apparatus and computer equipment of resource downloading |
CN109828670A (en) * | 2019-01-31 | 2019-05-31 | 史文华 | A kind of intelligent interactive method, device, storage medium and electronic equipment |
Citations (2)
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CN1241780A (en) * | 1998-07-15 | 2000-01-19 | 株式会社日立制作所 | Data recording apparatus |
WO2004073305A1 (en) * | 2003-02-13 | 2004-08-26 | Matsushita Electric Industrial Co., Ltd. | Data processing device |
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- 2010-08-19 CN CN2010102601014A patent/CN101930770B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1241780A (en) * | 1998-07-15 | 2000-01-19 | 株式会社日立制作所 | Data recording apparatus |
WO2004073305A1 (en) * | 2003-02-13 | 2004-08-26 | Matsushita Electric Industrial Co., Ltd. | Data processing device |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103873955A (en) * | 2012-12-18 | 2014-06-18 | 联想(北京)有限公司 | Video acquisition method and device |
CN108271049A (en) * | 2017-12-01 | 2018-07-10 | 优视科技有限公司 | The method, apparatus and computer equipment of resource downloading |
CN109828670A (en) * | 2019-01-31 | 2019-05-31 | 史文华 | A kind of intelligent interactive method, device, storage medium and electronic equipment |
CN109828670B (en) * | 2019-01-31 | 2022-08-23 | 史文华 | Intelligent interaction method and device, storage medium and electronic equipment |
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CN101930770B (en) | 2011-10-19 |
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