CN103077244B - Method and the device of monitor video retrieval - Google Patents
Method and the device of monitor video retrieval Download PDFInfo
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- CN103077244B CN103077244B CN201310017568.XA CN201310017568A CN103077244B CN 103077244 B CN103077244 B CN 103077244B CN 201310017568 A CN201310017568 A CN 201310017568A CN 103077244 B CN103077244 B CN 103077244B
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Abstract
A kind of method of monitor video retrieval, comprise step: in the time receiving search instruction, described search instruction comprises event title, retrieve according to described event title, determine each event, the video content sequence according to the time of origin of each described event to each described event; Show the video content of the each described event after sequence. This programme provides corresponding monitor video monitoring arrangement. The method of above-mentioned monitor video retrieval, the time sequencing of retrieving, occurring by event according to event title sorts, and has improved recall precision, and the generating process having reduced when event occurs.
Description
Technical field
The present invention relates to retrieval technique field, particularly relate to method and the device of monitor video retrieval.
Background technology
Video frequency searching is from video, to search for data useful or that need. Along with " day net engineering ", " safetyCity " deepening continuously of building, the update of video security monitoring technology, the change of new technology and notThe development coming is more and more subject to the great attention of all circles. HD video, video storage, intelligent video analysis etc.Technology becomes the main aspect of current video technical development. At present, monitoring camera has spread all over Chinese the earthEach street corner, around the clock monitors and records a video. In improving social security, produce magnanimity video letterBreath, monitors and will expend a large amount of human and material resources and time thousands of monitor supervision platforms. In magnanimityVideo in search we need information, look for a needle in a haystack beyond doubt, also bring huge choosing to video monitoringWar.
Tradition search method in, be to realize retrieval by the mode of frame-skipping, i.e. fast-forward play mode, as 2X,The mode of 4X, 8X, 16X, 32X speed is play. If adopt this fast-forward play mode, can cause and loseLose some key frames, thereby may cause the omission of important information. In conventional method, can not effectively reduceThe whole process that event occurs.
Summary of the invention
Based on this, be necessary can not effectively reduce the problem of event generating process for when retrieval, provide a kind ofMethod and the device of monitor video retrieval.
A method for monitor video retrieval, comprises step:
In the time receiving search instruction, described search instruction comprises event title, carries out according to described event titleRetrieval, determines each event, the video content sequence according to the time of origin of each described event to each described event;
Show the video content of the each described event after sequence.
The method of above-mentioned monitor video retrieval, the time of retrieving, occurring by event according to event title is suitableOrder sorts, and has improved recall precision, and the generating process having reduced when event occurs.
A kind of monitor video indexing unit, comprising:
Processing module, in the time receiving search instruction, described search instruction comprises event title, according to instituteThe event title of stating is retrieved, and determines each event, according to the time of origin of each described event to each described eventVideo content sequence; The video content of the each described event after output display sequence.
Above-mentioned monitor video indexing unit, the time sequencing of retrieving, occurring by event according to event titleSort, improved recall precision, and the generating process having reduced when event occurs.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the embodiment of the method for monitor video retrieval of the present invention;
Fig. 2 is the structural representation of monitor video indexing unit embodiment of the present invention.
Detailed description of the invention
Below in conjunction with preferred embodiments wherein, the present invention program is described in detail.
Embodiment mono-
The schematic flow sheet of the embodiment of the method for monitor video retrieval of the present invention has been shown in Fig. 1,
As shown in Figure 1, the method for the retrieval of the monitor video in the present embodiment comprises step:
Step S101: in the time receiving search instruction, search instruction comprises event title, enters according to event titleLine retrieval, determines each event, the video content sequence according to the time of origin of each event to each event;
Step S102: the video content that shows the each event after sequence.
First this method defines event type, such as there being people to invade, is defined as intrusion event; There is thing to disappear,Be defined as loss event; There is motor vehicle to enter, be defined as vehicular events etc. Preset once monitor to meetWhen the condition of event occurs, record event title, time of origin, the video content of this event.
The video that video content can start to finish to event for shooting event, such as certain camera head detectsTo there being people to invade, from invasion time, start to take and preserve video, until this people disappears in this shooting dressPut in coverage.
In the time receiving the given search instruction of user, according to the term of user's input, i.e. event title,Retrieve. According to event title, each event corresponding this event title is found out, such as camera head 1,3,4,5,7 all take the event with this event title, be respectively event 1,3,4,5,7. ThingPart comprises event title, time of origin, video content. To the video content of these events according to each eventTime of origin sequence. Generally, be to arrange according to time order and function order, can certainly be as requiredAccording to time descending.
In a specific embodiment, in the event content finding out, may occur two or twoThe identical situation of time of origin of above event. Now, determine the shooting of each event that time of origin is identicalSetting position, distance the looking the identical each event of time of origin according to camera head position with target locationFrequently content sorts. Such as being arranged in front near the event content of goal-selling, being arranged in a little furtherAfter. Wherein, target location can need to be set according to user, such as being set as doorway, community etc. Take the photographDistance as setting position and target location can set in advance.
This method can show the video content having sorted. Can be suitable according to the time on a screenOrder viewing content, also can be by a corresponding each video content display unit, according to the order of time of originBe arranged on each display unit of display screen, all display units are play simultaneously. Such as splicingOn wall, show, the corresponding video content in each unit of combination, has so accelerated retrieval rate.In the time that event content or video content number are greater than display unit number, can first show as required a partVideo content, then show remaining part content.
In a specific embodiment, in order to facilitate the high efficiency of later retrieval, video content can be also to cutGet a certain partial video of taking in event procedure. Before time of origin in the each complete shooting process of shearingThe video of rear Preset Time, stores the video of shearing. Such as camera head 1 has been taken intrusion event,Time be 10:00 to 10:30, in order to save retrieval time, can shear the video that 10:00 divides to 10:10.Certainly the length of shear time can be also other times section, specifically sets as required. This shearing video mistakeJourney, can be also to search after corresponding event according to event title, and the video content of the event of search is carried outShear. When event retrieval according to event title, the video content of the each event retrieving (is cutCut content) sort according to time of origin order. User, from the shearing video sequence, has found orderAfter mark event, can reinvestigate the video recording that this event is complete, conveniently check, also shorten the time of searching.
This method, by definition event name, has improved recall precision, by event content is sorted, heavyThe generating process that has showed event, has played positive role to security protection.
Embodiment bis-
According to the method for above-mentioned monitor video retrieval, the invention provides a kind of monitor video indexing unit. Fig. 2In the structural representation of monitor video indexing unit embodiment of the present invention has been shown, as shown in Figure 2, this realityThe monitor video indexing unit of executing in example comprises:
Processing module 201, in the time receiving search instruction, search instruction comprises event title, according to eventTitle is retrieved, and determines each event, the video content sequence according to the time of origin of each event to each event;The video content of the each event after output display sequence.
First this programme defines event type, such as there being people to invade, is defined as intrusion event; There is thing to disappear,Be defined as loss event; There is motor vehicle to enter, be defined as vehicular events etc. Preset once monitor to meetWhen the condition of event occurs, record event title, time of origin, the video content of this event.
The video that video content can start to finish to event for shooting event, such as certain camera head detectsTo there being people to invade, from invasion time, start to take and preserve video, until this people disappears in this shooting dressPut in coverage.
In the time that processing module 201 receives the given search instruction of user, according to the term of user's input,Be event title, retrieve. According to event title, each event corresponding this event title is found out,Such as camera head 1,3,4,5,7 has all been taken the event with this event title, be respectively event 1,3,4,5,7. Event comprises event title, time of origin, video content. In the video of these eventsHold the time of origin sequence according to each event. Generally, be to arrange according to time order and function order, certainlyAlso can be as required according to time descending.
In a specific embodiment, in the event content finding out, may occur two or twoThe identical situation of time of origin of above event. Now, determine the shooting of each event that time of origin is identicalSetting position, distance the looking the identical each event of time of origin according to camera head position with target locationFrequently content sorts. Such as being arranged in front near the event content of goal-selling, being arranged in a little furtherAfter. Wherein, target location can need to be set according to user, such as being set as doorway, community etc. Take the photographDistance as setting position and target location can set in advance. Finally, after output display sequenceThe video content of each event.
This programme can also comprise display module 202, for the video content after sequence is shown and maybe will be arranged continuouslyVideo content after order shows respectively on same screen different units. Can be according to the time on a screenOrder viewing content, also can be by a corresponding each video content display unit, suitable according to time of originOrder is arranged on each display unit of display screen, and all display units are play simultaneously. Such as spellingConnect on wall and show, the corresponding video content in each unit of combination, has so accelerated retrieval rate.In the time that event content or video content number are greater than display unit number, can first show as required a partVideo content, then show remaining part content.
In a specific embodiment, in order to facilitate the high efficiency of later retrieval, video content can be also to cutGet a certain partial video of taking in event procedure. Before time of origin in the each complete shooting process of shearingThe video of rear Preset Time, stores the video of shearing. Such as camera head 1 has been taken intrusion event,Time be 10:00 to 10:30, in order to save retrieval time, can shear the video that 10:00 divides to 10:10.Certainly the length of shear time can be also other times section, specifically sets as required. This shearing video mistakeJourney, can be also to search after corresponding event according to event title, and the video content of the event of search is carried outShear. When event retrieval according to event title, the video content of the each event retrieving (is cutCut content) sort according to time of origin order. User, from the shearing video sequence, has found orderAfter mark event, can reinvestigate the video recording that this event is complete, conveniently check, also shorten the time of searching.
This programme, by definition event name, has improved recall precision, by event content is sorted, heavyThe generating process that has showed event, has played positive role to security protection.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed,But can not therefore be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that for this areaThose of ordinary skill, without departing from the inventive concept of the premise, can also make some distortion andImprove, these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be with appendedClaim is as the criterion.
Claims (6)
1. a method for monitor video retrieval, is characterized in that, comprises step:
When receiving storage when instruction, recording events, described event comprises: event title, time of origin, lookFrequently content, described video content is default before and after time of origin for intercepting described in described event generating process videoThe video of time;
In the time receiving search instruction, described search instruction comprises event title, carries out according to described event titleRetrieval, determines each event, the video content sequence according to the time of origin of each described event to each described event;Describedly according to the time of origin of each described event, the video content sequence of each described event is comprised to step:
Video content sequence according to the time of origin of each described event to each described event, when exist two orWhen the time of origin of plural event is identical, determine the shooting dress of each event that described time of origin is identicalSeated position, the each thing identical to described time of origin with the distance of target location according to described camera head positionThe video content of part sorts;
Show the video content of the each described event after sequence.
2. the method for monitor video retrieval according to claim 1, is characterized in that, described demonstration rowThe video content step of the each described event after order comprises:
Video content after described sequence is shown continuously,
Or
Video content after described sequence is shown respectively on same screen different units.
3. according to the method for the monitor video retrieval described in claim 1 to 2 any one, it is characterized in that,Before receiving search instruction step, also comprise step:
When receiving storage when instruction, record described event, described event comprises: event title, time of origin,Video content, described video content is to take described event to start the video finishing to described event.
4. a monitor video indexing unit, is characterized in that, comprising:
Processing module, in the time receiving search instruction, described search instruction comprises event title, according to instituteThe event title of stating is retrieved, and determines each event, according to the time of origin of each described event to each described eventVideo content sequence; The video content of the each described event after output display sequence; Described processing module alsoThe storage instruction sending for receiving monitoring device, in the time monitoring the event of predeterminable event type, records instituteState event, described event comprises: event title, time of origin, video content, described video content is for cuttingGet the video of the front and back of time of origin described in described event generating process video Preset Time; Described processing moduleAlso for:
In the time existing the time of origin of two or more events identical, determine that described time of origin is identicalThe camera head position of each event, according to the distance of described camera head position and target location to describedThe video content of identical each event of raw time sorts.
5. monitor video indexing unit according to claim 4, is characterized in that, also comprises demonstration mouldPiece, for:
Video content after described sequence is shown continuously,
Or
Video content after described sequence is shown respectively on same screen different units.
6. according to the monitor video indexing unit described in claim 4 to 5 any one, it is characterized in that,
The storage instruction that described processing module also sends for receiving monitoring device, records described event, described inEvent comprises: event title, time of origin, video content, described video content is opened for taking described eventThe video finishing to described event begins.
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| CN201310017568.XA CN103077244B (en) | 2013-01-17 | 2013-01-17 | Method and the device of monitor video retrieval |
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| CN201310017568.XA CN103077244B (en) | 2013-01-17 | 2013-01-17 | Method and the device of monitor video retrieval |
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| CN111629165B (en) * | 2020-07-28 | 2020-12-18 | 天津中新智冠信息技术有限公司 | Alarm video processing method, device, equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1679323A (en) * | 2002-07-02 | 2005-10-05 | 松下电器产业株式会社 | Video generation device, video generation method, and video storage device |
| CN101198037A (en) * | 2008-01-03 | 2008-06-11 | 中兴通讯股份有限公司 | Method for managing monitor video |
| CN102478844A (en) * | 2010-11-22 | 2012-05-30 | 中国科学院空间科学与应用研究中心 | Multifunctional experiment monitor system |
| CN102547141A (en) * | 2012-02-24 | 2012-07-04 | 央视国际网络有限公司 | Method and device for screening video data based on sports event video |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4909854B2 (en) * | 2007-09-27 | 2012-04-04 | 株式会社東芝 | Electronic device and display processing method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1679323A (en) * | 2002-07-02 | 2005-10-05 | 松下电器产业株式会社 | Video generation device, video generation method, and video storage device |
| CN101198037A (en) * | 2008-01-03 | 2008-06-11 | 中兴通讯股份有限公司 | Method for managing monitor video |
| CN102478844A (en) * | 2010-11-22 | 2012-05-30 | 中国科学院空间科学与应用研究中心 | Multifunctional experiment monitor system |
| CN102547141A (en) * | 2012-02-24 | 2012-07-04 | 央视国际网络有限公司 | Method and device for screening video data based on sports event video |
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Address after: 510670 Guangdong Province, Guangzhou high tech Industrial Development Zone Kezhu Road No. 233 Patentee after: VTRON GROUP Co.,Ltd. Address before: 510663 Guangzhou province high tech Industrial Development Zone, Guangdong, Cai road, No. 6, No. Patentee before: VTRON TECHNOLOGIES Ltd. |
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Granted publication date: 20160525 Termination date: 20220117 |