CN102436839A - Method and device for positioning and retrieving videos - Google Patents
Method and device for positioning and retrieving videos Download PDFInfo
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- CN102436839A CN102436839A CN2011103284092A CN201110328409A CN102436839A CN 102436839 A CN102436839 A CN 102436839A CN 2011103284092 A CN2011103284092 A CN 2011103284092A CN 201110328409 A CN201110328409 A CN 201110328409A CN 102436839 A CN102436839 A CN 102436839A
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Abstract
The invention discloses a method for positioning and retrieving videos. The method has the advantages of intuitive retrieval, accurate positioning, high efficiency and wide application range and is suitable for retrieval of high-capacity videos in the field of digital video monitoring. The method comprises the following steps: (a) adopting a double-shuttle operation mode, wherein one of the shuttles is a function shuttle for function selection and the other one is a time shuttle for timeline positioning and retrieving; (b) using the time shuttle to fast position the videos on the video timeline and ensuring the time shuttle to rotate in forward and reverse directions for front and back mobile positioning on the timeline; (c) playing back the videos from the current position on the scales of the current timeline when the time shuttle is static; (d) ensuring the function shuttle to rotate in forward and reverse directions to select the fast forward and fast rewind play modes in the video playing process; and (e) ensuring the function shuttle to rotate in the reverse direction during the fast forward and fast rewind play modes so as to recover the normal playing speed. The invention also provides a device implementing the method.
Description
Technical field
The invention belongs to multimedia messages Treatment Technology field, relate to a kind of method particularly, the device of realizing this method also is provided video record location and retrieval.
Background technology
Digital video technology has been widely used in fields such as DTV, network digital video request program, video conference, DVD, digital video monitoring; Wherein the location of video record and retrieval are wherein very important parts; Digital video monitoring field particularly; Often will in the video recording of a couple of days even several months, find own interested image, workload is very huge.
In existing operation video retrieval method, some method is simple to operate, but does not meet the requirement of actual retrieval, and recall precision is lower; The method that has can be accomplished the quick retrieval by window of video recording, but the ease for use of operation is bad, strongly professional, is not suitable for applying.
The common method that at present video record is positioned and retrieves has:
(1) uses the selected video date and time information of mouse, play-over video record, click the skip forward/back round button then and position and retrieve.Ease for use is strong relatively flexibly for this method, has embodied the characteristic of mouse, but option process relative complex and directly perceived inadequately; This mode is fit to the retrieval to the video recording of known time point, is not suitable for the requirement of fast browsing retrieval in one section video recording, and the high capacity video recording recall precision for a couple of days or several months is very low simultaneously.
(2) use the selected method of keyboard (telepilot) and use mouse similar, efficient is lower by contrast.
(3) mode of using the solo flight shuttle to add keyboard is carried out the retrieval and the location of video, forwards to through the solo flight shuttle and wants the position of options to select with keyboard, increases with respect to method (2) ease for use, does not still separate the decision bit out of true, retrieves not shortcoming intuitively.
(4) use the solo flight shuttle to add the mode of keyboard or mouse cooperation time shaft, this mode retrieve video is intuitively recorded a video, and can realize the accurate location (can be certain section video file inside, second level) to video.But the operation more complicated need be switched in the two kinds of modes of operation of being everlasting when using the solo flight shuttle to add keyboard or mouse, though operating efficiency has raising strongly professional, can not meet the actual retrieval demand fully.
Summary of the invention
The technical matters that the present invention will solve is: sum up the deficiency in the existing method, proposes a kind of retrieve directly perceived, location accurately, efficient is high, applied widely, the retrieval that is fit to the large capacity digital surveillance video to video record location and the method retrieved.
Technical scheme of the present invention is: this method to video record location and retrieval may further comprise the steps:
(a) adopt round trip flight shuttle operator scheme, one is that the function that is used for function selecting flies shuttle, and another is the time that is used for the time shaft retrieval by window to fly shuttle;
(b) fly shuttle and locate video recording fast service time on the video time axle, makes the time fly the forward and reverse rotation of shuttle and be used for front and back running fix on the time shaft;
(c) time flies shuttle and on the scale of present time shaft, records a video from the current location playback when static;
(d) making function fly the forward and reverse rotation of shuttle in the video playing of video process selects F.F., falls play mode soon;
(e) F.F., when falling play mode opposite spin function flies shuttle soon, so that recover normal playback speed.
A kind of device of realizing this method also is provided; The time of round button shape fly shuttle by the function of annular fly shuttle around; Time flies the shuttle scrambler and flies the shuttle connector through the columnar time and fly shuttle with the time and link to each other; Function flies the shuttle scrambler and flies the shuttle connector through columnar function and fly shuttle with function and link to each other, and the time flies shuttle scrambler and function and flies the shuttle scrambler and all be connected to processor, and processor is connected to the video recording retrieval facility.
The present invention compared with prior art has following advantage:
(1) the present invention uses the operator scheme based on round trip flight shuttle and time shaft, can accomplish all operations that video record is retrieved fully with a hand, and is simple to operation.Use round trip flight shuttle and time shaft to accomplish and retrieve very intuitive and convenient, need not learn specially and can use.
(2) can change the unit length of time shaft through the speed that the time flies the shuttle velocity of rotation; Or fly shuttle through function and make up the unit length that changes time shaft; This mode can navigate to needed position fast in the magnanimity video recording of a couple of days even several months; And visual strong, humanization designing has increased interactive.
(3) in the playing back videos process, realized the unification of video recording retrieval by window and video playing of video speed control, improved efficient greatly, reduced the possibility of location repeatedly.Concrete mode is to fly shuttle through the time rotation and rotational speed are carried out the switching of broadcast state backward forward; The preceding fast state of putting soon that gets into that changes during video record is play; The playback rate that reverses at a slow speed reduces entering successively puts state slowly, and the time flies shuttle and stops from being played back to normal playback fast or at a slow speed.
(4) focus on function selecting and time location on the round trip flight shuttle; Under situation, can realize combining of video preview and playback with real-time video recording source; Promptly the search and positioning point time is the current time can see preview video on time shaft, time shaft search and positioning point and actual clock synchronization during preview.
Description of drawings
Fig. 1 is the structural representation according to the device of the method to video record location and retrieval of the present invention;
Fig. 2 is the structural representation that the device among Fig. 1 removes outconnector;
Fig. 3 is the synoptic diagram according to the time shaft of an embodiment of the method to video record location and retrieval of the present invention;
Fig. 4 is the fundamental diagram according to the round trip flight shuttle (time flies shuttle and function flies shuttle) of the method to video record location and retrieval of the present invention.
Embodiment
This method to video record location and retrieval may further comprise the steps:
(a) adopt round trip flight shuttle operator scheme, one is that the function that is used for function selecting flies shuttle, and another is the time that is used for the time shaft retrieval by window to fly shuttle;
(b) fly shuttle and locate video recording fast service time on the video time axle, makes the time fly the forward and reverse rotation of shuttle and be used for front and back running fix on the time shaft;
(c) time flies shuttle and on the scale of present time shaft, records a video from the current location playback when static;
(d) making function fly the forward and reverse rotation of shuttle in the video playing of video process selects F.F., falls play mode soon;
(e) F.F., when falling play mode opposite spin function flies shuttle soon, so that recover normal playback speed.
Preferably, in said step (b), the scale of time shaft has shifted gears two kinds:
(b1) the fast rotational time flies shuttle and is used for progressively improving the time shaft scale, and rotational time flies shuttle and is used for progressively reducing the time shaft scale at a slow speed;
(b2) time fly shuttle be used on the time shaft before and after running fix, do not distinguish rotational speed; Function flies shuttle is used for time shaft in retrieving scale and changes, and function flies shuttle and is used to select F.F., the control of falling the play mode soon in playing process.
Preferably, fly the mode that shuttle has two kinds of controls playing speed in function described in the said step (d):
(d1) be rotated in the forward function fly shuttle under the normal play situation, progressively select n doubly, 2n doubly, 4n doubly, 8n fast-forward mode doubly; Under the slow-motion situation according to 1/8n doubly, 1/4n doubly, 1/2n doubly, 1/n order doubly returns normal play; The reverse rotation function fly shuttle under the normal play situation, progressively select 1/n doubly, 1/2n doubly, 1/4n doubly, 1/8n times slow forward mode; Under the situation of F.F. according to 8n doubly, 4n doubly, 2n doubly, n order doubly returns normal play, wherein n is a positive integer;
(d2) angle that adopts forward and reverse spinfunction to fly shuttle is selected doubly speed of different broadcasts, and being rotated in the forward function, to fly shuttle be F.F., and it is slow-motion that the reverse rotation function flies shuttle, and the different anglecs of rotation is represented different multiples.
Further, n=2.
Preferably, the reverse rotation function flies shuttle and is defined as the video recording of putting upside down in said step (d).
Fig. 1 is the structural representation according to the device of the method to video record location and retrieval of the present invention; Fig. 2 is the structural representation that the device among Fig. 1 removes outconnector; Wherein the time of round button shape fly shuttle 1 (in fly shuttle) by the function of annular fly shuttle 2 (flying shuttle outward) around; Time flies shuttle scrambler 11 and flies shuttle connector 12 (female connector) through the columnar time and fly shuttle 1 with the time and link to each other; Function flies shuttle scrambler 21 and flies shuttle connector 22 (outconnector) through columnar function and fly shuttle 2 with function and link to each other, and the time flies shuttle scrambler 11 and flies shuttle scrambler 21 with function and all be connected to processor, and processor is connected to the video recording retrieval facility; The round trip flight shuttle is a circular device, can forward and reverse any rotation.
Preferably, fly shuttle and/or time in function and fly on the shuttle all attach feature keys, get into play mode so that the functions of use key switches.
The time shaft synoptic diagram is as shown in Figure 3, and time shaft realizes that through graphic presentation the top is a time scale, is the video recording content below, and time scale is corresponding to following video recording content; Vertical line is the time point of current search and positioning or video playing of video.It can be second that the scale unit of time shaft changes, also can be hour or even day.
Round trip flight shuttle principle of work synoptic diagram is as shown in Figure 4, and two fly the shuttle scrambler and will rotate two and fly the position codes that shuttle produces and be conveyed into processor, and processor outputs in the video recording retrieval facility through having formed operational code after the information processing.The video recording retrieval facility is through showing time corresponding axle and video record to these operational codes.
The operational code that the round trip flight fusiformis becomes is: in fly shuttle left-handed, in fly shuttle dextrorotation, outward fly shuttle left-handed, fly five elementary instructions of shuttle dextrorotation and middle round button outward, the extended operation sign indicating number fly in being shuttle left-handed fast, in fly the quick dextrorotation of shuttle, outward fly shuttle left-handed fast, fly four of the quick dextrorotation of shuttle outward.
The basic search and positioning mode of video record is following:
Elementary instruction is in this called after instruction 1, instruction 2, instruction 3, instruction 4, instruction 5 respectively.
Be state of activation and unactivated state timing separation, and this is distinguished and is unactivated state when focus axle time of arrival district, sends 5 instructions and make it transfer state of activation or non-activated state to.Instruction 3 when the activated state of time shaft position; 4 is the map function of time shaft scale unit, and instruction 1,2 is play time move left and right operation on the time shaft; Through these 4 instructions, just can be implemented in the high capacity video recording of a couple of days or several months positioning playing time point fast.
Can functions of use flying shuttle such as the video recording that will check ten other days sends the map function of time shaft scale unit and changes scale into sky; Fly the move left and right operation that shuttle carries out time shaft then service time and navigate to the sky rapidly; Functions of use flies shuttle and changes scale sequence into hour, minute, and the cooperation time flies the move left and right operation that shuttle carries out time shaft and just found the video record that needs at once.
The present invention compared with prior art has following advantage:
(1) the present invention uses the operator scheme based on round trip flight shuttle and time shaft, can accomplish all operations that video record is retrieved fully with a hand, and is simple to operation.Use round trip flight shuttle and time shaft to accomplish and retrieve very intuitive and convenient, need not learn specially and can use.
(2) can change the unit length of time shaft through the speed that the time flies the shuttle velocity of rotation; Or fly shuttle through function and make up the unit length that changes time shaft; This mode can navigate to needed position fast in the magnanimity video recording of a couple of days even several months; And visual strong, humanization designing has increased interactive.
(3) in the playing back videos process, realized the unification of video recording retrieval by window and video playing of video speed control, improved efficient greatly, reduced the possibility of location repeatedly.Concrete mode is to fly shuttle through the time rotation and rotational speed are carried out the switching of broadcast state backward forward; The preceding fast state of putting soon that gets into that changes during video record is play; The playback rate that reverses at a slow speed reduces entering successively puts state slowly, and the time flies shuttle and stops from being played back to normal playback at a slow speed or fast.
(4) focus on function selecting and time location on the round trip flight shuttle; Under situation, can realize combining of video preview and playback with real-time video recording source; Promptly search and positioning point can be seen preview video for the current time on time shaft, time shaft search and positioning point and actual clock synchronization during preview.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs to the protection domain of technical scheme of the present invention to any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. the method to video record location and retrieval is characterized in that, may further comprise the steps:
(a) adopt round trip flight shuttle operator scheme, one is that the function that is used for function selecting flies shuttle, and another is the time that is used for the time shaft retrieval by window to fly shuttle;
(b) fly shuttle and locate video recording fast service time on the video time axle, makes the time fly the forward and reverse rotation of shuttle and be used for front and back running fix on the time shaft;
(c) time flies shuttle and on the scale of present time shaft, records a video from the current location playback when static;
(d) making function fly the forward and reverse rotation of shuttle in the video playing of video process selects F.F., falls play mode soon;
(e) F.F., when falling play mode opposite spin function flies shuttle soon, so that recover normal playback speed.
2. the method to video record location and retrieval according to claim 1, it is characterized in that: in said step (b), the scale of time shaft has shifted gears two kinds:
(b1) the fast rotational time flies shuttle and is used for progressively improving the time shaft scale, and rotational time flies shuttle and is used for progressively reducing the time shaft scale at a slow speed;
(b2) time fly shuttle be used on the time shaft before and after running fix, do not distinguish rotational speed; Function flies shuttle is used for time shaft in retrieving scale and changes, and function flies shuttle and is used to select F.F., the control of falling the play mode soon in playing process.
3. the method to video record location and retrieval according to claim 1 is characterized in that: fly the mode that shuttle has two kinds of controls playing speed in function described in the said step (d):
(d1) be rotated in the forward function fly shuttle under the normal play situation, progressively select n doubly, 2n doubly, 4n doubly, 8n fast-forward mode doubly; Under the slow-motion situation according to 1/8n doubly, 1/4n doubly, 1/2n doubly, 1/n order doubly returns normal play; The reverse rotation function fly shuttle under the normal play situation, progressively select 1/n doubly, 1/2n doubly, 1/4n doubly, 1/8n times slow forward mode; Under the situation of F.F. according to 8n doubly, 4n doubly, 2n doubly, n order doubly returns normal play, wherein n is a positive integer; (d2) angle that adopts forward and reverse spinfunction to fly shuttle is selected doubly speed of different broadcasts, and being rotated in the forward function, to fly shuttle be F.F., and it is slow-motion that the reverse rotation function flies shuttle, and the different anglecs of rotation is represented different multiples.
3, the method to video record location and retrieval according to claim 3 is characterized in that: n=2.
4. the method to video record location and retrieval according to claim 1, it is characterized in that: the reverse rotation function flies shuttle and is defined as the video recording of putting upside down in said step (d).
5. device to video record location and retrieval; It is characterized in that; The time of round button shape flies shuttle (1) and flies shuttle (2) by the function of annular and fly shuttle scrambler (11) around, time and fly shuttle connector (12) through the columnar time and fly shuttle (1) with the time and link to each other, and function flies shuttle scrambler (21) and flies shuttle connector (22) through columnar function and fly shuttle (2) with function and link to each other; Time flies shuttle scrambler and function and flies the shuttle scrambler and all be connected to processor, and processor is connected to the video recording retrieval facility.
6. the device to video record location and retrieval according to claim 5 is characterized in that: fly shuttle and/or time in function and fly on the shuttle all attach feature keys, get into play mode so that the functions of use key switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103284092A CN102436839A (en) | 2011-10-25 | 2011-10-25 | Method and device for positioning and retrieving videos |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103284092A CN102436839A (en) | 2011-10-25 | 2011-10-25 | Method and device for positioning and retrieving videos |
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| CN102436839A true CN102436839A (en) | 2012-05-02 |
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| CN2011103284092A Pending CN102436839A (en) | 2011-10-25 | 2011-10-25 | Method and device for positioning and retrieving videos |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105491442A (en) * | 2015-12-16 | 2016-04-13 | 天津天地伟业数码科技有限公司 | Time axis based rapid video retrieval and positioning method |
| CN105530474A (en) * | 2015-12-17 | 2016-04-27 | 浙江省公众信息产业有限公司 | Method and system for controlling multichannel video content display |
| CN106488323A (en) * | 2015-08-26 | 2017-03-08 | Lg电子株式会社 | Mobile terminal and its control method |
| CN107743269A (en) * | 2017-11-02 | 2018-02-27 | 吕庆祥 | A kind of method and apparatus handled multi-medium data |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106488323A (en) * | 2015-08-26 | 2017-03-08 | Lg电子株式会社 | Mobile terminal and its control method |
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| CN107743269B (en) * | 2017-11-02 | 2019-10-29 | 吕庆祥 | The method and apparatus that a kind of pair of multi-medium data is handled |
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Application publication date: 20120502 |