CN101394558B - Method for detecting and playing imagery zone of computer picture - Google Patents

Method for detecting and playing imagery zone of computer picture Download PDF

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Publication number
CN101394558B
CN101394558B CN 200710153499 CN200710153499A CN101394558B CN 101394558 B CN101394558 B CN 101394558B CN 200710153499 CN200710153499 CN 200710153499 CN 200710153499 A CN200710153499 A CN 200710153499A CN 101394558 B CN101394558 B CN 101394558B
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difference
player
picture
imagery zone
computer
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Expired - Fee Related
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CN 200710153499
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CN101394558A (en
Inventor
张国隆
王兴湧
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BAKE GmbH
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Awind Inc
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Abstract

The invention relates to a method for detecting and playing an image region of a computer picture, which comprises the following steps: firstly, plural computer pictures are captured within a period of time; the difference between the previous picture and the next picture is compared sequentially, and plural difference pictures are defined, wherein, each difference picture comprises at least a difference block; the positions of the difference blocks of the plural computer pictures are calculated sequentially, object windows including the difference blocks are obtained, one object window is defined as the image region according to the size or the occurrence frequency of the object windows; a film of the image region is captured, transmitted into a player at the distal end, and then output to a display for playing.

Description

The detection of the imagery zone of computer picture and player method
Technical field
The present invention exports computer picture to method that a display is play relevant for a kind of, be meant especially a kind of can detection computations machine picture imagery zone and export this imagery zone to method that a display is play.
Background technology
Along with computer science and technology is constantly innovated and network technology constantly develops, Internet resources have become the optimal path that the modern obtains knowledge, shares amusement, the user can see through computer and network download and play video-audio data, in addition, also can carry out the data transmission if want to share video-audio data through network with other friend.
Though the multi-media player function of computer is powerful and have a function that network is shared, but its environment for use still only limits to relevant devices such as computer, for most people, some is the operation of being unfamiliar with computer, and some is exactly that the uncomfortable computer screen that sees through is appreciated video-audio data.Therefore,, allow the user can see through the video-audio data of the video screen broadcast computer picture in the parlor, can make the application of computer and Internet resources more universal if can be improved at these shortcomings.
See also shown in Figure 1ly, it is the computer picture output and playing system Organization Chart of prior art, comprises a computer 10, a player 12 and a display 14 among the figure.
Computer 10 has the function of network connections and multimedia, it can see through the video-audio data that network streaming broadcast mode is play audio-visual sharing website (for example YouTube), or play the video-audio data that is stored in hard disc of computer or CD-ROM drive, yet, no matter be that those a kind of broadcast mode computer 10 inside all need to install playing program, in addition, the video-audio data of specific format also must see through specific playing program and can play, therefore, computer 10 inside may need to install the playing program of many companies.
Player 12 sees through wired or wireless mode and sets up network 16 bindings with computer 10, and it can receive the video-audio data that this computer 10 is transmitted, and this video-audio data is sent to a display 14 (for example LCD TV) plays.If this computer 10 has the function of File Compress and coding, then this player 12 also must possess the function of corresponding decompression or decoding, the video-audio data that receives can be exported to display 14 and play, in addition, player 12 also comprises a remote controller 121 and a wireless receiver 122, wherein wireless receiver 122 is arranged on this player 12, the user can see through remote controller 121 output orders to wireless receiver 122, control the video-audio data of this player 12 acquisition computers 10 with this, and export this video-audio data to display 14 and play.
Generally speaking, audio-visual sharing website only can provide a block of cells as imagery zone 102 in computer picture 101,101 of all the other most computer pictures are as advertisement usage or other service, and the video-audio data that the computer 10 of prior art is exported comprises the video-audio data of whole computer picture 101 usually, comprise imagery zone 102 and non-image areas 104 (comprising advertisement or other service), the user wishes that usually the video-audio data picture of imagery zone 102 is the bigger the better, it does not wish usually to see that non-audio-visual regional 104 picture appears at display 14, yet, prior art also can't overcome the problems referred to above, not only cause the sizable inconvenience of user, also can't make computer 10 and network 16 resources be popularized for the parlor.
In addition, the remote controller 121 of prior art will be controlled the computer 10 of far-end, it is comparatively complicated or be designed to possess the function suitable with mouse with computer keyboard arranged that it must design, yet, in case it is complicated that the design of remote controller becomes, also can be cumbersome in the operation, in addition, if imagery zone 102 characteristics of computer picture 101 are not simultaneously, the method of operation of remote controller 121 also can change, so the remote controller 121 of prior art is not suitable for the computer 10 of user at display 14 positions (for example parlor) control far-end very much.
Summary of the invention
Main purpose of the present invention is to provide a kind of detection and player method of imagery zone of computer picture, exports a display in order to the imagery zone that detects this computer picture and with this imagery zone and plays.
First embodiment of the present invention step comprises: at first capture this computer picture of complex (S in a period of time (T) i), comparison in regular turn should be gone up unicursal face S again iWith this next record picture S I+1Difference, and define a plurality of difference screen D i, wherein each difference picture comprises at least one difference block R i, again from above-mentioned difference screen D iIn, find out a target difference screen D M, this target difference screen D wherein mDifference block R iContain other difference screen D iDifference block R i, define this target difference screen D mMaximum difference block R vBe imagery zone, capture a film of this imagery zone, with the player of this film advance to one far-end, export this film to a display at last, wherein i, m, v are positive integer.。
Second embodiment of the present invention step comprises: at first capture this computer picture of complex (S in a period of time (T) i), comparison in regular turn should be gone up unicursal face (S i) and this next record picture (S I+1) difference, and define a plurality of difference screen D i, wherein each difference picture comprises at least one difference block R i, calculate above-mentioned a plurality of difference screen D more in regular turn iThis difference block R iThe position, and obtain to comprise this difference block R iObject window W i, according to above-mentioned object window W iSize or the frequency that occurs, a definition wherein object window is imagery zone R v, capture a film of this imagery zone, with the player of this film advance to one far-end, export this film to a display at last, wherein i, v are positive integer.
Because method provided by the present invention only captures the imagery zone of computer picture, and the video-audio data of this imagery zone is seen through a player be sent to a display and play, the picture that user's transmission display device is seen has only the video-audio data of imagery zone, can not see imagery zone picture (for example advertisement or other service etc.) in addition, in addition, this player also can be play with full-screen mode the video-audio data of imagery zone in display, appreciate video-audio data to be fit to the user before television set.
Description of drawings
Fig. 1 is the computer picture output and playing system Organization Chart of existing numeral.
Fig. 2 is the imagery zone of detection computations machine picture of the present invention and the schematic diagram that the video-audio data of this imagery zone is exported to a display.
Fig. 3 utilizes the imagery zone detection module for the present invention, the first embodiment flow chart of the detection of the imagery zone of object computer picture and player method.
Fig. 4 is the step 2 of first embodiment of the invention, and unicursal face S is gone up in comparison in regular turn iWith next record picture S I+1Difference, and define a plurality of difference screen D iSchematic diagram.
Fig. 5 is the step 3 of first embodiment of the invention, from a plurality of difference screen D iIn find out a target difference screen D m
Fig. 6 utilizes the imagery zone detection module for the present invention, the second embodiment flow chart of the detection of the imagery zone of object computer picture and player method.
Fig. 7 is the second embodiment of the present invention, and the application programming interfaces (API) that utilize operating system (OS) itself to be provided calculate above-mentioned a plurality of difference screen D in regular turn iDifference block R iThe position, and obtain to comprise this difference block R iObject window W iSchematic diagram.
Drawing reference numeral:
10～computer, 101～computer picture
102～imagery zone, 104～non-image areas
12～player, 121～remote controller
122～wireless receiver, 14～display
16～network, 20～imagery zone detection module
Embodiment
For making advantage of the present invention and the spirit can be further revealed, cooperate graphic work one to be described in detail as follows now.
See also shown in Figure 2ly, it is for the imagery zone of detection computations machine picture of the present invention and the schematic diagram that the video-audio data of this imagery zone is exported to a display.Maximum of the present invention is characterised in that computer 10 inside are equipped with an imagery zone detection module 20, this imagery zone detection module 20 can detection computations machine picture 101 imagery zone 102 and non-image areas 104, capture the video-audio data of this imagery zone 102, and through after coding and the condensing routine, the display 14 (TV) that is sent to the parlor via the player 12 of far-end is play again, and display 14 shown pictures will have only the video-audio data of imagery zone 102 this moment.
Seeing through wired or wireless network 16 between player 12 and the computer 10 interlinks, imagery zone detection module 20 is built in player 12 inside in can be in advance, machine 10 to be calculated is set up after the binding with player 12, imagery zone detection module 20 is downloaded to computer 10 inner also installations again and carries out.Use and operation for convenient user, generally speaking, player 12 all is to be placed near the display 14 usually, it more comprises a remote controller 121 and a wireless receiver 122, the user can see through 121 pairs of wireless receivers 122 of remote controller and give an order, and player 12 can be controlled the necessary detection and the playing function of imagery zone detection module 20 execution of computer 10 inside this moment.
See also shown in Figure 3ly, it utilizes the imagery zone detection module for the present invention, the first embodiment flow chart of the detection of the imagery zone of object computer picture and player method, and its step comprises:
Step 1: at first in a period of time T, capture this computer picture of complex S i, present embodiment captured 10 stroke faces in 1 second, so i=1 to 10.
Step 2: unicursal face S is gone up in comparison in regular turn iWith next record picture S I+1Difference, and define a plurality of difference screen D i, see also shown in Figure 4ly, wherein each difference picture comprises at least one difference block R i, will produce 9 difference screen D this moment i, i=1 to 9, and difference block R iBe the minimum rectangular area in the difference zone that comprises forward and backward two stroke faces, so the difference region R iMay be zero (being indifference), also may be (above) more than.
Step 3: from above-mentioned 9 difference screen D iIn, find out a target difference screen D m, this target difference screen D wherein mDifference block R iMust contain other difference screen D iDifference block R i, see also shown in Figure 5ly, the purpose of this step is to find out difference block R iContain the widest difference picture of area, and this difference picture is defined as target difference screen D m, because the imagery zone of computer picture probably appears at target difference screen D mA plurality of difference block R iIn.
Step 4: define this target difference screen D mMaximum difference block R iBe imagery zone, usually the imagery zone of computer picture can be bigger than the picture of the advertisement of non-image areas or other service, so the present invention is with maximum difference block R iBe defined as imagery zone R v, see also shown in Figure 5ly, this regional image content may be exactly that the user wants the video-audio data seen.
Step 5: the video-audio data that captures this imagery zone, one section film for example, the method of its acquisition captures a plurality of pictures of this imagery zone within a certain period of time, 24 pictures of present embodiment per second, again with above-mentioned picture coding and be compressed into the film of specific format, present embodiment is the mp4 form, also can be other any form.
Step 6: set up a streaming server in computer-internal, and send a broadcast information to player, this broadcast information comprises the URL of this computer.
Step 7: player is set up binding according to the URL of broadcast information and the streaming server of computer-internal.
Step 8: streaming server to this player, and is decoded this film advance and decompress to this film by this player.
Step 9: the display of this film advance to one far-end is play.
See also shown in Figure 6ly, it utilizes the imagery zone detection module for the present invention, the second embodiment flow chart of the detection of the imagery zone of object computer picture and player method, and its step comprises:
Step 1: at first in a period of time T, capture this computer picture of complex S i, present embodiment captured 10 stroke faces in 1 second, so i=1 to 10.
Step 2: unicursal face S is gone up in comparison in regular turn iWith next record picture S I+1Difference, and define a plurality of difference screen D i, see also shown in Figure 4ly, wherein each difference picture comprises at least one difference block R i, i=1 to 9, and difference block R iBe the minimum rectangular area in the difference zone that comprises forward and backward two stroke faces, so the difference region R iMay be zero (being indifference), also may be (above) more than.
Step 3: calculate above-mentioned a plurality of difference screen D in regular turn iDifference block R iThe position, and obtain to comprise this difference block R iObject window W i, its method is calculated this difference block R earlier iCenter point P i, the application programming interfaces (API) that utilize operating system (OS) itself to be provided again, for example WindowFromPoint () obtains comprising this center point P iObject window code (window handle), utilize GetWindowRect () to obtain again and comprise this center point P iObject window W i, see also shown in Figure 7.
Step 4: according to above-mentioned object window W iSize or the frequency that occurs, a definition wherein object window is imagery zone R v, because each object window W iMight be imagery zone, also might be non-image areas, for example advertisement or other service, but because the area of imagery zone is big usually and the frequency of difference block to occur higher, so object window W iArea size and frequency height real in judging imagery zone R vKey factor, the present invention be multiply by the frequency of occurrences with area, obtains the object window W of high numerical value iAs imagery zone R v
Step 5: capture the video-audio data of this imagery zone, one section film for example, the method for its acquisition is a plurality of pictures of this imagery zone of acquisition earlier, 24 pictures of per second for example, again with above-mentioned picture coding and be compressed into the film of specific format, mp4 form for example.
Step 6: set up a streaming server in computer-internal, and send a broadcast information to player, this broadcast information comprises the URL of this computer.
Step 7: player is set up binding according to the URL of broadcast information and the streaming server of computer-internal.
Step 8: streaming server to this player, and is decoded this film advance and decompress to this film by this player.
Step 9: the display of this film advance to one far-end is play.
By above explanation as can be known, method provided by the present invention has following advantage compared to prior art:
A. the imagery zone of the direct detection computations machine of the present invention picture, and capture this regional picture, be re-encoded as the film of specific format, therefore no matter this imagery zone was originally play film with what form or what software, and the present invention all can detect, captures, edits and play.
B. the present invention can be according to the processing grade of computer CPU, and the film of the imagery zone of the computer picture of length-specific is encoded, phenomenon such as can not take place therefore that picture is beated because of the rank deficient of CPU or static.
C. the present invention only can show the imagery zone of computer picture on display, the picture of non-image areas can not occur, and can full screen or this imagery zone of convergent-divergent moderately, can obtain preferable quality when appreciating film.
D. the direct controls playing device of remote controller of the present invention carries out the movie of imagery zone, and the mode of operation of remote controller is similar with general TV remote controller, and is simpler in the operation.
The above only is a preferred embodiment of the present invention, and it is not in order to limiting practical range of the present invention, anyly has the knack of the trickle modification that this operator makes according to spirit of the present invention, must belong to spirit of the present invention and scope.

Claims (6)

1. the detection of the imagery zone of a computer picture and player method, its step comprises:
A. in a period of time T, capture the described computer picture S of complex i
B. compare the described unicursal face S of going up in regular turn iWith described next record picture S I+1Difference, and define a plurality of difference screen D i, wherein each difference picture comprises at least one difference block R i
C. from above-mentioned difference screen D iIn, find out a target difference screen D m, described target difference screen D mDifference block R iContain other difference screen D iDifference block R iAnd
D. define described target difference screen D mMaximum difference block R vBe imagery zone, wherein i, m, v are positive integer.
2. the method for claim 1 also comprises the following steps:
E. capture a film of described imagery zone;
F. with the player of described film advance to a far-end; And
G. described player exports described film to a display;
Wherein step e captures a plurality of pictures of described imagery zone earlier, more above-mentioned picture is compressed into described film;
Step f earlier sets up a streaming server in described computer-internal, sends a broadcast information to described player again, and described player is initiatively connected with described streaming server, afterwards again with described film advance to described player;
The player of step g decompresses described film earlier, exports a display again to and plays.
3. the detection of the imagery zone of a computer picture and player method, its step comprises:
A. in a period of time T, capture the described computer picture S of complex i
B. compare the described unicursal face S of going up in regular turn iWith described next record picture S I+1Difference, and define a plurality of difference screen D i, wherein each difference picture comprises at least one difference block R i
C. calculate above-mentioned a plurality of difference screen D in regular turn iDescribed difference block R iThe position, and obtain to comprise described difference block R iObject window W i
D. according to above-mentioned object window W iArea multiply by the frequency of appearance, obtaining, the object window of high numerical value is imagery zone R v, wherein i, v are positive integer.
4. method as claimed in claim 3 also comprises the following steps:
E. capture a film of described imagery zone;
F. with the player of described film advance to a far-end; And
G. described player exports described film to a display;
Step e is a plurality of pictures of the described imagery zone of acquisition earlier, more above-mentioned picture are compressed into described film;
Step f earlier sets up a streaming server in described computer-internal, sends a broadcast information to described player again, and described player is initiatively connected with described streaming server, afterwards again with described film advance to described player;
The player of step g decompresses described film earlier, exports a display again to and plays.
5. method as claimed in claim 3 is characterized in that, step c calculates described difference block R earlier iCenter point P i, the Application Program Interface that utilizes operating system itself to be provided again calculates and comprises described center point P iObject window W i
6. method as claimed in claim 5 is characterized in that, described operating system is MSWindows operating system, and described Application Program Interface is WindowFromPoint () and GetWindowRect ().
CN 200710153499 2007-09-20 2007-09-20 Method for detecting and playing imagery zone of computer picture Expired - Fee Related CN101394558B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997026622A1 (en) * 1996-01-15 1997-07-24 Robert Bosch Gmbh Method of detecting moving objects in chronologically successive images
CN1642256A (en) * 2004-01-14 2005-07-20 英业达股份有限公司 Film characteristic-image fetching system and method
CN1725856A (en) * 2004-07-20 2006-01-25 张兆宏 Integration device of automatic shooting monitoring system
CN1801886A (en) * 2005-01-07 2006-07-12 智辉研发股份有限公司 Digital image flashing scene detecting and eliminating method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997026622A1 (en) * 1996-01-15 1997-07-24 Robert Bosch Gmbh Method of detecting moving objects in chronologically successive images
CN1642256A (en) * 2004-01-14 2005-07-20 英业达股份有限公司 Film characteristic-image fetching system and method
CN1725856A (en) * 2004-07-20 2006-01-25 张兆宏 Integration device of automatic shooting monitoring system
CN1801886A (en) * 2005-01-07 2006-07-12 智辉研发股份有限公司 Digital image flashing scene detecting and eliminating method

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Address after: Chinese Taiwan New Taipei City

Patentee after: Bake GmbH

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Patentee before: Awind Inc.

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Granted publication date: 20110511

Termination date: 20200920