CN1642234A - Caption treating device - Google Patents
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Abstract
The invention is a caption processing device, according to the character of a display unit, displaying caption videos of different sizes coded by DVB caption system on a screen, where the caption video can be amplified or reduced by m (width) * n (length) times of original video, and this processing device amplifies the caption video by top sampling pixel and searches by the background color as well as reduce by bottom sampling pixel, and the display position of the caption video is recalculated according to naturally amplifying or reducing video. If the region of caption video is over the display range of the screen, the caption video will be divided into several videos. Therefore, the processing device will similarly recalculate the display position of the caption video to avoid mutual overlapping.
Description
Technical field
The present invention relates to a kind of being applied in and adopt digital video broadcasting (DVB) to add the captions process device of Digital Television (DTV) the integrated receiver decoder (IRD) of captions standard, and particularly in order to support this DTV IRD on video screen, to show amplification or the captions that dwindle.
Background technology
When the digital television broadcasting age began, spectators not only can watch high-quality image, and can obtain several extra services, as EPG (electronic program guides; Electric Program Guide), multilingual captions and data broadcasting.
When Digital Television (DTV) integrated receiver decoder (IRD) when above-mentioned all functions are provided, it is the necessary device in order to receiving digital television signal.So it is basic functions of this DTV IRD that decoding subtitle image unit can make the beholder select multilingual captions.
The DVB caption system indicates the method that transmits the subtitle image unit in this transmission stream, and multilingual captions can be encoded as different subtitle image unit and be transmitted in the TV signal.
In IRD, set up several word portions in order to show that multilingual captions are unpractical.Along with the development of subtitle image treatment system, TV need not have several word portions and can show the multilingual captions.
If set up word portion in IRD, the size and the type of font are fixed.Yet, when captions are displayed on video screen, do not allow spectators to change the size of captions.In order to give spectators enjoyment on decision captions size, provide the mechanism that is used for amplifying or dwindles subtitle image is necessary.This device of the present invention can be adjusted this amplification or dwindle the display position of subtitle image in the scope of screen.
The user of hypometropia can amplify captions so that see clearlyer, and wants completely to watch the user of TV can dwindle these captions.So the thing that spectators need do is just selected the size of captions with remote controller.
Summary of the invention
Therefore, main purpose of the present invention provides a kind of captions process device, is used in this subtitle image unit captions being amplified after decoded or dwindling, and the onlooker can select the captions of different sizes thus.
At this, this captions process device can amplify or dwindle subtitle image and calculate this display position so that this subtitle image calibrate on this screen.
This captions process device dwindles this subtitle image by the background color that finds subtitle image and this raw video of taking a sample down.This background (background of literal) color is to be closely adjacent to each other in this subtitle image and to have the color of pixel of same color.Because two colors are arranged in this subtitle image, another color is prospect (literal) color.The rectangle that comprises the individual pixel of m (width) * n (highly) is reduced to a pixel, and in square if there is the pixel of at least one foreground color that has, this new color of pixel is designated as this foreground color.After dwindling this subtitle image, the width of this subtitle image will be the width of this raw video and half of height with height.Therefore, this display position must calculate according to heart calibration rule among this new image on the screen.
This captions process device amplifies this subtitle image by this raw video of last sampling equally.Pixel will be replicated the rectangle that is made of m*n pixel to fill up.After amplifying this subtitle image, the width of this subtitle image will be m times of width and n times of height of this raw video with height.Therefore, this display position must calculate according to heart calibration rule among this new image on the screen.
Possible is that it is wideer than the width of on-screen display (osd) area that this subtitle image will become.The result is that this subtitle image not only is cut off into two images or more, and the display position of these two subtitle images is recomputated.
In order to carry out above-mentioned illustrated function, this captions process device includes:
The captions importation, it is from this captions decoder input captions image data and display properties;
Control section, whether it supplies the user to select to amplify or dwindles this demonstration subtitle image;
Sampling part on the pixel, its response then at the pixel in the rectangular extent, is duplicated each pixel to fill up the rectangle that comprises m*n pixel from the amplification request of this control section;
The image regenerating section, its reception is calculated the cut-out point of this subtitle image and two subtitle images of regenerating from the amplification pixel image of sampling part on the pixel and according to the relation between this captions width and the display width, or multiword curtain image more;
Background color is searched part, and its response is from the zoom-out request of this control section, find then with this subtitle image in be closely adjacent to each other and pixel color with same color color as a setting;
Sampling part under the pixel, it is according to this background color search part and then at the pixel in the rectangular extent, with the condition that whether exists at least one to have the pixel of foreground color, the rectangle that will comprise m*n pixel narrows down to a new pixel, and this new pixel is designated as this foreground color; And
Position adjusting section, it receives from the sampling part under this pixel or the data of this image regenerating section certainly, and making the distance between the subtitle image then is a constant, and the display position of adjusting this subtitle image is to avoid overlapping.
By above structure, our captions process device can produce the captions of different sizes and their calibrate are presented on this screen.
Description of drawings
Fig. 1 is the system block diagram of the preferred embodiment of captions process device of the present invention, together with captions decoder and display equipment;
Fig. 2 is the operational flowchart of captions process device according to the preferred embodiment of the invention;
Fig. 3 A is the synoptic diagram that illustrates to descend according to the preferred embodiment of the invention the pixels sampled rule;
Fig. 3 B is the synoptic diagram that the rule that goes up pixels sampled according to the preferred embodiment of the invention is described;
Fig. 4 A is expression shows the example of brachymedial literal curtain according to the preferred embodiment of the present invention a synoptic diagram;
Fig. 4 B is expression shows the example that dwindles Chinese subtitle according to the preferred embodiment of the present invention a synoptic diagram;
Fig. 4 C is expression shows the example that amplifies Chinese subtitle according to the preferred embodiment of the present invention a synoptic diagram;
Fig. 5 A is expression shows the example of long Chinese subtitle according to the preferred embodiment of the present invention a synoptic diagram;
Fig. 5 B is expression shows the example of the amplification Chinese subtitle that is cut into two lines according to the preferred embodiment of the present invention a synoptic diagram;
Fig. 6 A is its demonstration of a synoptic diagram vertically shows brachymedial literal curtain according to the preferred embodiment of the present invention a example;
Fig. 6 B is that expression is according to the vertical synoptic diagram that shows the example that dwindles Chinese subtitle of the preferred embodiment of the present invention;
Fig. 6 C is expression vertically shows the example that amplifies Chinese subtitle according to the preferred embodiment of the present invention a synoptic diagram;
Fig. 7 A is expression vertically shows the example of long Chinese subtitle according to the preferred embodiment of the present invention a synoptic diagram;
Fig. 7 B is that expression is according to the vertical synoptic diagram that shows the example of the amplification Chinese subtitle that is cut into two lines of the preferred embodiment of the present invention;
Fig. 8 A is expression shows the example of long English subtitles according to the preferred embodiment of the present invention a synoptic diagram; And
Fig. 8 B is expression shows the example of the amplification English subtitles that are cut into two lines according to the preferred embodiment of the present invention a synoptic diagram.
Embodiment
Fig. 1 is the system block diagram of the preferred embodiment of captions process device of the present invention, together with a captions decoder and a display equipment.Referring to Fig. 1, numeral 1 expression captions process device of the present invention, 2 expression captions decoders, it provides original captions data to this captions process device, and individual 3 expression display unit show processed captions.Captions process device 1 of the present invention also comprises with the lower part:
10 expression captions importations, its captions decoder 2 input display character, and subtitle image data from a DTV IRD.
11 expression control sections, it for example can be a remote controller, can power and look spectators by whether being chosen in the amplification in this controller or dwindling button and select the captions size.
Sampling part on 12 remarked pixels, it expands a pixel to four pixels.
13 expression image regenerating sections, the cut-out point that it calculates this subtitle image according to width and the relation between the display width of Chinese font and from an input subtitle image two subtitle images of regenerating.
14 expression background colors are searched part, and it is used to search the background color of this subtitle image.
Sampling part under 15 remarked pixels, it reduces to a pixel with four pixels.
16 expression position adjusting sections, it adjusts the display position of this subtitle image, to avoid overlapping and to carry out calibrate.
Fig. 2 is the flow chart of the operation of telltale title processing unit 1.At first, at step S1, the pixel information of this subtitle image and comprise level and the display properties of vertical address, the width in the pixel with highly be imported into this captions process device 1 and be stored in buffer.
Then, at step S2, the TV user pushes the size of button to amplify or to dwindle captions on the control of remote controller part 11 among Fig. 1.If when this user selects to amplify captions big or small, then in step S3, a pixel is copied into m*n pixel to form a rectangle.Then, at step S5, whether the width that image regenerating section 13 is used to detect the new subtitle image that is produced from step S3 wide than this display width.Fixed if not, then arrive step S8, at step S8, this position adjusting section 16 recomputates this horizontal address and this subtitle image is placed on the center of display.At step S5, if this condition is satisfied, then arrive step S6, and image regenerating section 13 calculates cut-out point and should be cut into two images or more images by new subtitle image.And the horizontal address of these images is calculated so that be placed in the center of display; Distance between the pixel in these images is a constant.
At step S2,, two colors are arranged, prospect (literal) and background (background of literal) color in this subtitle image if this user pushes the button of illustrated control section 11 to select dwindling this captions.Then, at step S4, this background color is searched part 14 and is searched this background color.For a subtitle image, this background color is more often to appear at color in the pixel of image compared to another color.At step S7, sampling part 15 makes m*n pixel in the rectangle be reduced to a pixel under this pixel, and when at least one had the pixel of foreground color as if existence in this rectangle, its color was this foreground color.Follow step S8, position adjusting section 16 calculates the display position of these new subtitle images so that their calibrate.
At step S2, if the user does not want to change the size of captions, at step S9, then according to subtitle image being presented at display equipment 3 as captions decoder 2 specified display properties.
Fig. 3 A illustrates that sampling part 15 is at the square basic operation principle of being made up of four pixels under this pixel, if when existing at least one to have the pixel of foreground color in this is square, four pixels during this is square will be become a pixel with foreground color by limit.
Fig. 3 B illustrates the basic operation principle of sampling part 12 on this pixel, and a pixel is square to form one with extended four pixels to same color.
Fig. 4 shows several processing examples of the preferred embodiment of captions process device 1 of the present invention to Fig. 8.
Fig. 4 A has shown an example, and this subtitle image is according to being displayed on (display unit 3 among Fig. 1) on this screen by the 2 specified display properties of the captions decoder among Fig. 1.X and y representative are by display properties specified level and vertical address, and w and h represent the width and height of a single Chinese font on this subtitle image.In addition, 9 middle literal are arranged in this subtitle image.
Fig. 4 B is the subtitle image that dwindles of Fig. 4 A, and it is the width of this original subtitle image and half of height after the sampling part 15 that the width of this subtitle image and length are searched under part 14 and the pixel at background color.Because these captions must be displayed on the center of display, this position adjusting section 16 is used to calculate a new horizontal address.9 middle literal are arranged in this subtitle image, the width of a middle literal with highly be w/2 and the h/2 that is expressed as pixel, W is expressed as the width of the display of pixel, calculate according to following formula this horizontal address:
(W-(w/2) * 9)/2; Wherein (w/2) * 9 is new width of expression subtitle image.
Fig. 4 C is the expansion subtitle image of Fig. 4 A, and the width of this subtitle image and length are the twice of width with the height of this original subtitle image after the sampling part 12 on pixel.Because these captions must be displayed on the center of display, position adjusting section 16 recomputates this horizontal address.9 middle literal are arranged in this subtitle image, and the width of a middle literal and altimeter are shown the 2w and the 2h of pixel, and W is expressed as the width of the display of pixel, and this horizontal address will be calculated according to the position adjustment of following formula:
(W-(2w) * 9)/2; Wherein (2w) * 9 is width of the new subtitle image of remarked pixel.And, surpass the situation of this display vertical range for fear of the position of this subtitle image, this subtitle image by on move a segment distance h, this vertical address will be changed to
Y-h; Wherein y is the vertical address of original subtitle image.
Fig. 5 A is according to the example that is presented at the subtitle image on the screen (display unit among Fig. 1) by captions decoder 2 specified display properties, x and y representative are by display properties specified level and vertical address, w and h represent the width and height of a Chinese font that is expressed as pixel on this subtitle image, and 17 middle literal are arranged in this subtitle image.
Fig. 5 B is the expansion subtitle image of Fig. 5 A, on pixel after the processing of sampling part 12, and the width of this subtitle image and the width and twice highly that highly are this original subtitle image.Because the width of captions surpasses the width of display, this image regenerating section 13 cuts into two images with captions.17 middle literal are arranged in this subtitle image, and the width of a Chinese font and altimeter are shown the 2w and the 2h of pixel, and W is expressed as the display width of pixel, and 11 middle literal are arranged in the subtitle image on this.Herein, the 11st, the result of being divided by: (3W/4)/2w, wherein W=720 and w=24.So, 6 middle literal are arranged in this time subtitle image.Because these two subtitle images must be displayed on the center of display, this horizontal address is recomputated in this adjustment part, position 16 among Fig. 1.Should go up the horizontal address of subtitle image will calculate according to following formula:
(W-(2w) * 11)/2; Wherein (2w) * 11 is the width that are expressed as the last subtitle image of pixel.And the horizontal address of this time subtitle image will be calculated according to following formula:
(W-(2w) * 6)/2; Wherein (2w) * 6 is the width that are expressed as the following subtitle image of pixel.And, on this subtitle image by on move a segment distance 2h, this vertical address will become
Y-2h; Wherein y is the vertical address of original subtitle image.And the distance between this subtitle image is the h/8 that is expressed as pixel, and the vertical address of this time subtitle image is
Y+h/8; Wherein y is the vertical address of original subtitle image.
Above-mentioned captions process device 1 concentrates on reveal competence type caption character.Along with different structure, it can support the processing of vertical type subtitle image equally.Fig. 6 A is an example, this subtitle image is according to being presented on the screen (display equipment 3 among Fig. 1) by the specified display properties of captions decoder 2 parts, x and y representative are by display properties specified level and vertical address, and w and h represent the width and height of a single Chinese font on this subtitle image.In addition, 9 middle literal are arranged in this subtitle image.
Fig. 6 B is the subtitle image that dwindles of Fig. 6 A, and it is the width of this original subtitle image and half of height after the sampling part 15 that the width of this subtitle image and length are searched under part 14 and the pixel at background color.Because these captions must be displayed on the center of display, position adjusting section 16 calculates a new vertical address.9 middle literal are arranged in this subtitle image, and the width of a middle literal and altimeter are shown the w/2 and the h/2 of pixel, and H is expressed as the height of the display of pixel, and this vertical address calculates according to following formula:
(H-(h/2) * 9)/2; Wherein (h/2) * 9 is the new high degrees that are expressed as the subtitle image of pixel.
Fig. 6 C is the amplification subtitle image of Fig. 6 A, and the width of this subtitle image and length are the twice of width with the height of this original subtitle image after the sampling part on pixel.Because these captions must be displayed on the center of display, position adjusting section 16 will recomputate this vertical address.9 middle literal are arranged in this subtitle image, and the width of a middle literal and altimeter are shown the 2w and the 2h of pixel, and H is expressed as the width of the display of pixel, and this vertical address will calculate according to following formula:
(H-(2h) * 9)/2; Wherein (2h) * 9 is the height that are expressed as the new subtitle image of pixel.And, surpass the situation of this display horizontal extent for fear of the position of this subtitle image, this subtitle image segment distance w that moved to right, this horizontal address will be changed to
X+w; Wherein x is the horizontal address of original subtitle image.
Fig. 7 A is according to the example that is presented at the subtitle image on the screen (display unit 3 among Fig. 1) by captions decoder 2 specified display properties, x and y representative are by display properties specified level and vertical address, w and h represent the width and height of a Chinese font that is expressed as pixel on this subtitle image, and 17 middle literal are arranged in this subtitle image.
Fig. 7 B is the amplification subtitle image of Fig. 7 A, on pixel after the sampling part 12, and the width of this subtitle image and the width and twice highly that highly are this original subtitle image.Because the height of captions surpasses height of display, this image regenerating section 13 cuts into two images with captions.17 middle literal are arranged in this subtitle image, and the width of a Chinese font and altimeter are shown the 2w and the 2h of pixel, and W is expressed as the width of the display of pixel, and in the first row subtitle image 8 middle literal are arranged.Herein, the 8th, the result of being divided by: (3H/4)/2h, wherein H=540 and h=24.So, have 8 middle literal second the row subtitle image in and 1 middle literal in the third line subtitle image.Because these three subtitle images must be displayed on the center of display, position adjusting section 16 recomputates this vertical address.The vertical address that should go up subtitle image will be calculated according to following formula:
(H-(2h) * 8)/2; Wherein (2h) * 8 is the height that are expressed as the first row subtitle image of pixel.And the vertical address of this second row subtitle image will calculate according to following formula:
(H-(2h) * 8)/2; Wherein (2h) * 8 is the height that are expressed as the second row subtitle image of pixel; And the vertical address of this third line subtitle image will calculate according to following formula:
(H-(2h) * 1)/2; Wherein (2h) * 1 is the height that is expressed as the third line subtitle image of pixel.And, this first row subtitle image segment distance w that moved to right, this horizontal address will become
X+w; Wherein x is the horizontal address of original subtitle image.And the distance of the pixel between two subtitle images is the w/8 that is expressed as pixel, and horizontal address of this second row subtitle image is
X+3w+w/8; Wherein x is the horizontal address of original subtitle image.And the horizontal address of this third line subtitle image is
X+3w+w/8+w/8; Wherein x is the horizontal address of original subtitle image.
Fig. 8 A is that expression English subtitles image is according to the example that is displayed on (display unit 3 among Fig. 1) on this screen by these captions decoder 2 specified display properties, x and y representative is by display properties specified level and vertical address, w and h represent this English subtitles image width and height.
Fig. 8 B is the amplification English subtitles image of Fig. 8 A, and the width of this subtitle image and length are the twice of width with the height of this original subtitle image after the sampling part 12 on pixel.The width of subtitle image with highly be 2w and the 2h that is expressed as pixel, W is expressed as the display width of pixel.Because captions width (2w) surpasses the horizontal extent (W) of display, this image regenerating section 13 cuts into two images with captions.And width means of subtitle image is the w1 of pixel on this.Herein, w1 determines by the locus of searching between the font, and this raw video cut off is upper and lower image, must be near 3W/4 to such an extent as to should go up width of subtitle image.So the width of this time subtitle image is 2w-w1.Because these two subtitle images must be displayed on the center of display, this position adjusting section 16 is used to recomputate this horizontal address.Should go up the horizontal address of subtitle image will calculate according to following formula:
(W-(w1))/2; Wherein w1 is the width that is expressed as the last subtitle image of pixel.And the horizontal address of this time subtitle image will be calculated according to following formula:
(W-(2w-w1))/2; Wherein (2w-w1) is the width of this time subtitle image.And, on this subtitle image by on move a segment distance 2h, this vertical address will become
Y-2h; Wherein y is the vertical address of original subtitle image.And the distance between this subtitle image is the h/8 of expression with pixel, and the vertical address of this time subtitle image is
Y+h/8; Wherein y is the vertical address of original subtitle image.
The type of calibration of above-mentioned all icons is the centers that the subtitle image that amplifies or dwindle are placed on this display, and this device also makes the left end of subtitle image be calibrated.And to get Fig. 5 B be an example, and the horizontal address of this time subtitle image is the person of being entirely identical to, and this horizontal address is
(W-2w*10)/2。
And this device is calibrated the upper end of subtitle image, and getting Fig. 7 b is another example; The vertical address of right subtitle image is the vertical address that is entirely identical to this right side image, and this vertical address is
(H-2h*9)/2。
Possible is that this amplifies height or width that subtitle image surpasses this display, and after this this amplification subtitle image will be cut off more than two lines to be fit to this display.In any case many subtitle images are regenerated by this device, the rule of calibration is identical with foregoing, and the distance between the captions pixel is above-mentioned w/8 or h/8.
When considering and in conjunction with most realistic and preferred embodiment when present invention is described, should be appreciated that, invention is not limited to disclosed embodiment but wants to contain the spirit and the different arrangement in the scope of the claim that is comprised in the widest explanation, so that comprise all modifications and equivalence arrangement.
Claims (2)
1. captions process device is stored in the demonstration captions size that the captions data of captions decoder is selected according to the user with decision in order to processing, this captions process device includes:
The captions importation, it is from this captions decoder input captions image data and display properties;
Control section, it is the user so that select whether to amplify or dwindle this demonstration subtitle image;
Sampling part on the pixel, its in response to this control part branch certainly amplify request and then for the pixel of a rectangular extent, each pixel is replicated to fill up a matrix of m*n pixel;
The image regenerating section, it receives from the amplification pixel image of sampling part on the pixel and calculates the cut-out point of this subtitle image according to the relation between this captions width and the display width then and two subtitle images of regenerating, or even more;
Background color is searched part, its in response to the zoom-out request of this control section certainly and find then in this subtitle image, be closely adjacent to each other and the pixel color of tool same color with color as a setting;
Sampling part under the pixel, it is according to this background color search part and then for the pixel of rectangular extent, condition whether to exist at least one to have the pixel of foreground color narrows down to a new pixel with a rectangle that comprises the m*n pixel, and this new pixel is designated as this foreground color; And
Position adjusting section, it receives from the sampling part under this pixel or the data of this image reproducing unit branch certainly, and allows the distance between subtitle image be that a constant and the display position of adjusting this subtitle image are to avoid overlapping then.
2. captions process device as claimed in claim 1, wherein on this pixel under sampling part and this pixel m, the n in the sampling part the two equal 2.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100020251A CN100414976C (en) | 2004-01-12 | 2004-01-12 | Caption treating device |
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| CNB2004100020251A CN100414976C (en) | 2004-01-12 | 2004-01-12 | Caption treating device |
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| CN1642234A true CN1642234A (en) | 2005-07-20 |
| CN100414976C CN100414976C (en) | 2008-08-27 |
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| CNB2004100020251A Expired - Fee Related CN100414976C (en) | 2004-01-12 | 2004-01-12 | Caption treating device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010025646A1 (en) * | 2008-09-02 | 2010-03-11 | 华为技术有限公司 | Method, system and device of the subtitle matching process |
| CN101764936A (en) * | 2008-11-04 | 2010-06-30 | 新奥特（北京）视频技术有限公司 | Method for confirming shortest distance of pixel space mask code matrix from pixel to boundary |
| CN102625052A (en) * | 2012-03-28 | 2012-08-01 | 广东威创视讯科技股份有限公司 | Method, device and system for processing caption data |
| CN102663988A (en) * | 2012-04-28 | 2012-09-12 | 广东威创视讯科技股份有限公司 | Method, device and system for broadcasting subtitles |
| CN102088571B (en) * | 2009-12-07 | 2012-11-21 | 联想(北京)有限公司 | Caption displaying method and terminal equipment |
| CN102014258B (en) * | 2009-09-07 | 2013-01-16 | 艾比尔国际多媒体有限公司 | Multimedia caption display system and method |
| CN104125496A (en) * | 2014-07-07 | 2014-10-29 | 京东方科技集团股份有限公司 | Method and device for displaying video with caption information |
| CN105224275A (en) * | 2015-10-10 | 2016-01-06 | 天脉聚源（北京）教育科技有限公司 | A kind of information processing method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06162183A (en) * | 1992-11-26 | 1994-06-10 | Meidensha Corp | Reducing and converting method for image |
| CN1139045C (en) * | 2000-11-07 | 2004-02-18 | 财团法人资讯工业策进会 | Instantaneous downsizing method for type face of Chinese characters |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010025646A1 (en) * | 2008-09-02 | 2010-03-11 | 华为技术有限公司 | Method, system and device of the subtitle matching process |
| CN101764936A (en) * | 2008-11-04 | 2010-06-30 | 新奥特（北京）视频技术有限公司 | Method for confirming shortest distance of pixel space mask code matrix from pixel to boundary |
| CN101764936B (en) * | 2008-11-04 | 2013-05-01 | 新奥特（北京）视频技术有限公司 | Method for confirming shortest distance of pixel space mask code matrix from pixel to boundary |
| CN102014258B (en) * | 2009-09-07 | 2013-01-16 | 艾比尔国际多媒体有限公司 | Multimedia caption display system and method |
| CN102088571B (en) * | 2009-12-07 | 2012-11-21 | 联想(北京)有限公司 | Caption displaying method and terminal equipment |
| CN102625052A (en) * | 2012-03-28 | 2012-08-01 | 广东威创视讯科技股份有限公司 | Method, device and system for processing caption data |
| CN102625052B (en) * | 2012-03-28 | 2014-08-20 | 广东威创视讯科技股份有限公司 | Method, device and system for processing caption data |
| CN102663988A (en) * | 2012-04-28 | 2012-09-12 | 广东威创视讯科技股份有限公司 | Method, device and system for broadcasting subtitles |
| CN104125496A (en) * | 2014-07-07 | 2014-10-29 | 京东方科技集团股份有限公司 | Method and device for displaying video with caption information |
| CN105224275A (en) * | 2015-10-10 | 2016-01-06 | 天脉聚源（北京）教育科技有限公司 | A kind of information processing method and device |
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| CN100414976C (en) | 2008-08-27 |
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