CN101770764B - Video processing method and device thereof - Google Patents

Video processing method and device thereof Download PDF

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Publication number
CN101770764B
CN101770764B CN2008101880554A CN200810188055A CN101770764B CN 101770764 B CN101770764 B CN 101770764B CN 2008101880554 A CN2008101880554 A CN 2008101880554A CN 200810188055 A CN200810188055 A CN 200810188055A CN 101770764 B CN101770764 B CN 101770764B
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video
hertz
per
display
refresh rate
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CN101770764A (en
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陈国华
蔡宇哲
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Wistron Corp
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Wistron Corp
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Abstract

The invention relates to a video processing method and a device thereof. Specifically, the video processing method comprises the following steps of: (1) detecting the frame rate of a video, and (2) when the frame rate of the video is about 24fps, adjusting the refresh rate of a display to about 96Hz. The video processing device can increase the refresh rate of the display to reduce response time, and can also avoid the phenomena such as trembling, haloing and the like, of the pictures displayed by the display.

Description

Method for processing video frequency and device thereof
Technical field
The present invention relates to a kind of method for processing video frequency and device thereof, and particularly relate to a kind of frequency multiplication image display method and device thereof.
Background technology
Along with numerical information and multimedia application constantly increase, and the adding fuel to the flames of each big display manufacturer of the world, and make flat-panel screens go deep into each family and individual apace, and human be the expectation of craning one very much for high-quality video display.Directions such as the cathode-ray tube display thick and heavy from tradition is thinner towards thickness, volume is littler, weight is lighter, the quality of image is better are gone development, and these targets also all are the main flow trend of display.
For more smooth picture is provided, reduce the mode of the response time of display at present, be that refresh rate (refresh rate) with display improves and is fixed as 120 hertz.Yet, be about 24 per second frame numbers for the picture update rate (frame rate) of video, and the refresh rate of display is improved and be fixed as 120 hertz, can't accomplish the compensation of optimization interpolation.So, the shown picture of display easily has the phenomenon of tremble (judder), haloing (halo) and so on to take place.
In view of this, how to allow display that more smooth picture is provided more efficiently and prevent picture have tremble, the phenomenon of haloing and so on takes place, and just becomes an important topic.
Summary of the invention
One aspect of the present invention provides a kind of method for processing video frequency.
According to one embodiment of the invention, a kind of method for processing video frequency comprises the following step:
(1) picture update rate of detection video; And
(2) when the picture update rate of video is about 24 per second frame numbers, the refresh rate of display is adjusted into about 96 hertz.
So, can improve the refresh rate of display, to reduce the response time.And can avoid the shown picture of display to have trembling, the phenomenon of haloing and so on takes place.
The present invention provides a kind of video process apparatus on the other hand.
According to another embodiment of the present invention, a kind of video process apparatus comprises the detecting unit and first control module.In the present embodiment, detecting unit can detect the picture update rate of video.When the picture update rate that first control module can be worked as video is about 24 per second frame numbers, the refresh rate of display is adjusted into about 96 hertz.
So, video process apparatus can improve the refresh rate of display, to reduce the response time.And can avoid the shown picture of display to have trembling, the phenomenon of haloing and so on takes place.
Below will above-mentioned explanation and ensuing embodiment be explained in detail, and the present invention is further explained with various embodiment.
Description of drawings
Fig. 1 is the process flow diagram according to a kind of method for processing video frequency of one embodiment of the invention.
Fig. 2 is to use the picture of interpositioning to produce synoptic diagram.
Fig. 3 is the process flow diagram according to a kind of method for processing video frequency of another embodiment of the present invention.
Fig. 4 is the block scheme according to a kind of video process apparatus of yet another embodiment of the invention.
The primary clustering symbol description:
100: 410: the first control modules of method for processing video frequency
120-140: step 412: first setting module
122: contrast step 414: first update module
210,220: 420: the second control modules of picture
230,232,234: 422: the second setting modules of interpolated frame
240,242,244,246: 424: the second update module of interpolated frame
300: 430: the three control modules of method for processing video frequency
310-370: step 432: the 3rd setting module
400: 434: the three update module of video-unit
402: detecting unit 500: display
Embodiment
In order to make narration of the present invention more detailed and complete, can be with reference to appended accompanying drawing and the various embodiment of the following stated, identical number is represented same or analogous assembly in the accompanying drawing.On the other hand, well-known assembly and step are not described among the embodiment, to avoid causing the unnecessary restriction to the present invention.
Technology type of the present invention is a kind of method for processing video frequency, and it can be applied in display, or is used in the sport technique segment of video frequency multiplication widely.According to experiment repeatedly, when the refresh rate of display is about more than 90 hertz, the user can watch smooth video.In view of the above, Fig. 1-Fig. 2 that below will arrange in pairs or groups illustrates the embodiment of this method for processing video frequency.
Please refer to Fig. 1, Fig. 1 is the process flow diagram according to a kind of method for processing video frequency 100 of one embodiment of the invention.As shown in the figure, a kind of method for processing video frequency 100 comprises the following step and (should be appreciated that, mentioned in the present embodiment step, except that its order of special instruction, all can adjust its front and back order according to actual needs, even can carry out simultaneously simultaneously or partly).
Step 110: the picture update rate that detects video; And
Step 120: when the picture update rate of video is about 24 per second frame numbers, the refresh rate of display is adjusted into about 96 hertz.
So, can improve the refresh rate of display, to reduce the response time.And can avoid the shown picture of display to have trembling, the phenomenon of haloing and so on takes place.
About above-mentioned video, can comprise a plurality of pictures.In fact, the vision signal various simulations that the form of implementation of this video for example can be known for those skilled in the art or numeral, and can comprise various picture refreshing rates and video resolution.Aforementioned display device for example can be LCD or similar device, and those skilled in the art should look needed flexible selection at that time.
In step 110, can judge the pattern of video by the picture update rate that detects video.In fact, if the picture update rate of video is about 24 per second frame numbers, then video belongs to film-mode (Film mode).If the picture update rate of video is about 30 per second frame numbers or about 60 per second frame numbers, then video belongs to video mode (Video mode); Similarly, if the picture update rate of video is about 25 per second frame numbers or about 50 per second frame numbers, then video also belongs to video mode.
About above-mentioned film-mode, be generally film with film photographic, it can be taken by 24 pictures of per second.As for video mode, be generally the television video of taking with video camera.For instance, if the picture update rate of video is about 25 per second frame numbers or about 50 per second frame numbers, then this video generally goes for line-by-line inversion (PAL) TV (eurovision specification).If the picture update rate of video is about 30 per second frame numbers or about 60 per second frame numbers, then this video generally goes for the TV (U.S.'s TV specification) of national television systems committee's standard.
In step 120, the refresh rate of display can be adjusted into about 96 hertz.In fact, if the picture update rate of video is about 24 per second frame numbers, that is this video per second has 24 pictures.Can utilize interpositioning (for example to use motion prediction and motion compensation (Motion Estimation ﹠amp; Motion Compensation) technology), between per two continuous pictures of video, inserts three interpolated frames (interpolated frame).By this, the refresh rate with display is adjusted into about 96 (24 * 4) hertz.
In the present embodiment, in step 120, can comprise following substep (1)-(2):
(1) when the picture update rate of video changes about 24 per second frame numbers into, the refresh rate of display is set at about 96 hertz; And
(2) refresh rate at display is set at after about 96 hertz, at blanking interval the refresh rate of display is updated to about 96 hertz.
In substep (1),, the refresh rate of display is set at about 96 hertz if video is not by being the picture update rate (for example 60 per second frame numbers) of about 24 per second frame numbers when changing the picture update rate of about 24 per second frame numbers into.
During for fear of the refresh rate of refresh display, the user is caused visual influence.Therefore, in substep (2), can just the refresh rate of display be updated to about 96 hertz, use and avoid the user is caused visual influence at blanking interval.So, when the picture update rate of video is about 24 per second frame numbers, the refresh rate of display can be maintained about 96 hertz.In the present embodiment, above-mentioned blanking interval can be vertical blanking interval; Perhaps, in other embodiments, above-mentioned blanking interval can be the horizontal blanking interval, and those skilled in the art should look needed flexible selection at that time.
Please continue with reference to Fig. 1.As shown in the figure, method for processing video frequency 100 can also comprise step 130: when the picture update rate of video is about 30 per second frame numbers or about 60 per second frame numbers, the refresh rate of display is adjusted into about 120 hertz.
So, can improve the refresh rate of display, to reduce the response time.And can avoid the shown picture of display to have trembling, the phenomenon of haloing and so on takes place.
In step 130, the refresh rate of display can be adjusted into about 120 hertz.In fact, if the picture update rate of video is about 30 per second frame numbers or about 60 per second frame numbers, that is this video per second has 30 pictures, or this video per second has 60 pictures.If the picture update rate of video is about 30 per second frame numbers, can utilize interpositioning (for example using motion prediction and motion compensation technique), insert three interpolated frames between per two continuous pictures of video, the refresh rate of using display is adjusted into about 120 (30 * 4) hertz; Similarly, if the picture update rate of video is about 60 per second frame numbers, can utilize interpositioning, insert an interpolated frame between per two continuous pictures of video, the refresh rate of using display is adjusted into about 120 (60 * 2) hertz.
In the present embodiment, in step 130, can comprise following substep (3)-(4):
(3) when the picture update rate of video changes about 30 per second frame numbers or about 60 per second frame numbers into, the refresh rate of display is set at about 120 hertz; And
(4) refresh rate at display is set at after about 120 hertz, at blanking interval the refresh rate of display is updated to about 120 hertz.
In substep (3), if video is not by being the picture update rate of about 30 per second frame numbers or not being the picture update rate (for example 24 per second frame numbers) of about 60 per second frame numbers when changing the picture update rate of the picture update rate of about 30 per second frame numbers or about 60 per second frame numbers into, the refresh rate of display is set at about 120 hertz.
During for fear of the refresh rate of refresh display, the user is caused visual influence.Therefore, in substep (4), can just the refresh rate of display be updated to about 120 hertz, use and avoid the user is caused visual influence at blanking interval.So, when the picture update rate of video is about 30 per second frame numbers or about 60 per second frame numbers, the refresh rate of display can be maintained about 120 hertz.In the present embodiment, above-mentioned blanking interval can be vertical blanking interval; In other embodiments, above-mentioned blanking interval can be the horizontal blanking interval, and those skilled in the art should look needed flexible selection at that time.
Please continue with reference to Fig. 1.As shown in the figure, method for processing video frequency 100 can also comprise step 140: when the picture update rate of video is about 25 per second frame numbers or about 50 per second frame numbers, the refresh rate of display is adjusted into about 100 hertz.
So, can improve the refresh rate of display, to reduce the response time.And can avoid the shown picture of display to have trembling, the phenomenon of haloing and so on takes place.
In step 140, the refresh rate of display can be adjusted into about 100 hertz.In fact, if the picture update rate of video is about 25 per second frame numbers or about 50 per second frame numbers, that is this video per second has 25 pictures, or this video per second has 50 pictures.If the picture update rate of video is about 25 per second frame numbers, can utilize interpositioning (for example using motion prediction and motion compensation technique), insert three interpolated frames between per two continuous pictures of video, the refresh rate of using display is adjusted into about 100 (25 * 4) hertz; Similarly, if the picture update rate of video is about 50 per second frame numbers, can utilize interpositioning, insert an interpolated frame between per two continuous pictures of video, the refresh rate of using display is adjusted into about 100 (50 * 2) hertz.
In the present embodiment, in step 130, can comprise following substep (5)-(6):
(5) when the picture update rate of video is about 25 per second frame numbers or about 50 per second frame numbers, the refresh rate of display is set at about 100 hertz; And
(6) refresh rate at display is set at after about 100 hertz, at blanking interval the refresh rate of display is updated to about 100 hertz.
In substep (5), if video is not by being the picture update rate of about 25 per second frame numbers or not being the picture update rate (for example 24 per second frame numbers) of about 50 per second frame numbers when changing the picture update rate of the picture update rate of about 25 per second frame numbers or about 50 per second frame numbers into, the refresh rate of display is set at about 100 hertz.
During for fear of the refresh rate of refresh display, the user is caused visual influence.Therefore, in substep (6), can just the refresh rate of display be updated to about 100 hertz, use and avoid the user is caused visual influence at blanking interval.So, when the picture update rate of video is about 25 per second frame numbers or about 50 per second frame numbers, the refresh rate of display can be maintained about 100 hertz.In the present embodiment, above-mentioned blanking interval can be vertical blanking interval; In other embodiments, above-mentioned blanking interval can be the horizontal blanking interval, and those skilled in the art should look needed flexible selection at that time.
In the present embodiment, method for processing video frequency 100 can be implemented on processor image or control chip, or is applied in the program control video control of display, and those skilled in the art should look needed flexible selection at that time.
For above-mentioned steps 120 employed interpositionings are further described below, please refer to Fig. 2, Fig. 2 is to use the picture of interpositioning to produce synoptic diagram.As shown in the figure, in step 120, can utilize interpositioning (for example using motion prediction and motion compensation technique),, between continuous pictures 210,220, insert interpolated frame 230 according to per two continuous pictures 210,220.Then, utilize again interpositioning (for example using motion prediction and motion compensation technique),, between picture 210 and interpolated frame 230, insert another interpolated frame 232 according to picture 210 and interpolated frame 230; Similarly, according to picture 220 and interpolated frame 230, between picture 220 and interpolated frame 230, insert another interpolated frame 234.In other words, insert interpolated frame 230,232,234 between two continuous pictures 210,220.By this, the refresh rate of display can be adjusted into about 96 (24 * 4) hertz.In addition, only need to insert three interpolated frames 230,232,234, can reduce computational complexity to avoid bad frame interpolation, prevent by this shown picture of display have tremble, the phenomenon of haloing and so on takes place.
On the other hand, in contrast step 122, can utilize interpositioning,, between continuous pictures 210,220, insert interpolated frame 240 according to per two continuous pictures 210,220.Then, utilize interpositioning again,, between picture 210 and interpolated frame 240, insert another interpolated frame 242 according to picture 210 and interpolated frame 240; Similarly, according to picture 220 and interpolated frame 240, between picture 220 and interpolated frame 240, insert two interpolated frames 244,246 in addition, and cause interpolated frame prediction misalignment easily.In other words, insert interpolated frame 240,242,244,246 between two continuous pictures 210,220.By this, the refresh rate of display can be adjusted into about 120 (30 * 4) hertz.But need to insert four interpolated frames 240,242,244,246, so increase computational complexity and cause bad frame interpolation, thus the shown picture of display easily have tremble, the phenomenon of haloing and so on takes place.
Please refer to Fig. 3, Fig. 3 is the process flow diagram according to a kind of method for processing video frequency 300 of another embodiment of the present invention.As shown in the figure, a kind of method for processing video frequency 300 comprises the following step and (should be appreciated that, mentioned in the present embodiment step, except that its order of special instruction, all can adjust its front and back order according to actual needs, even can carry out simultaneously simultaneously or partly).
Whether step 310: detecting video is film-mode;
Step 320:, judge whether video converts film-mode to by video mode if the pattern of video is a film-mode;
Step 330:, the refresh rate of display is set at about 96 hertz if video is to convert film-mode to by video mode;
Step 340: the refresh rate at display is set at after about 96 hertz, at blanking interval the refresh rate of display is updated to about 96 hertz; And
Step 350: if video is a film-mode, display is about 96 hertz according to refresh rate and comes display video.
On the other hand, be film-mode always, then in step 350, continue to be about 96 hertz and come display video according to refresh rate if in step 320, judge video.
In addition, be not film-mode if in step 310, detect video, that is video is a video mode.Method for processing video frequency 300 can also comprise the following step.
Step 360:, judge whether video converts video mode to by film-mode if the pattern of video is a video mode;
Step 370:, the refresh rate of display is set at about 120 hertz or about 100 hertz if whether the pattern of video converts video mode to by film-mode;
Step 340: the refresh rate at display is set at after about 120 hertz or about 100 hertz, at blanking interval the refresh rate of display is updated to 120 hertz or about 100 hertz;
Step 350: if the pattern of video is a video mode, display can be about 120 hertz or about 100 hertz according to refresh rate, comes display video.
On the other hand, be video mode if judge video in step 360, then continuing according to refresh rate in step 350 is about 120 hertz or about 100 hertz, comes display video always.
In the present embodiment, if the picture update rate of video is about 30 per second frame numbers or about 60 per second frame numbers, the refresh rate of display can be adjusted into about 120 hertz; Similarly, if the picture update rate of video is about 25 per second frame numbers or about 50 per second frame numbers, the refresh rate of display can be adjusted into about 100 hertz, those skilled in the art should look needed flexible selection at that time.
So, can improve the refresh rate of display, to reduce the response time.And can avoid the shown picture of display to have trembling, the phenomenon of haloing and so on takes place.In addition, step 340 can just be upgraded the refresh rate of display at blanking interval, uses and avoids the user is caused visual influence.
Technology type of the present invention is a kind of video process apparatus, and it can be applied in display, or is used in the sport technique segment of video frequency multiplication widely.According to experiment repeatedly, when the refresh rate of display is about more than 90 hertz, the user can watch smooth video.In view of the above, the Fig. 3 that below will arrange in pairs or groups illustrates the embodiment of this video process apparatus.
Please refer to Fig. 4, Fig. 4 is the block scheme according to a kind of video process apparatus 400 of yet another embodiment of the invention.As shown in the figure, a kind of video process apparatus 400 comprises the detecting unit 402 and first control module 410.In the present embodiment, detecting unit 402 can detect the picture update rate of video.When the picture update rate that first control module 410 can be worked as video is about 24 per second frame numbers, the refresh rate of display 500 is adjusted into about 96 hertz.
So, video process apparatus 400 can improve the refresh rate of display 500, to reduce the response time.And can avoid display 500 shown pictures to have trembling, the phenomenon of haloing and so on takes place.
About above-mentioned video, can comprise a plurality of pictures, the vision signal various simulations that the form of implementation of this video for example can be known for those skilled in the art or numeral, and can comprise various picture refreshing rates and various video resolution.Aforementioned display device 500 for example can be LCD or similar device, and those skilled in the art should look needed flexible selection at that time.
Detecting unit 402 can be judged the pattern of video by the picture update rate that detects video.In fact, if the picture update rate of video is about 24 per second frame numbers, then video belongs to film-mode.If the picture update rate of video is about 30 per second frame numbers or about 60 per second frame numbers, then video belongs to video mode; Similarly, if the picture update rate of video is about 25 per second frame numbers or about 50 per second frame numbers, then video also belongs to video mode.
About above-mentioned film-mode, be generally film with film photographic, it can be taken by 24 pictures of per second.As for video mode, be generally the television video of taking with video camera.For instance, if the picture update rate of video is about 25 per second frame numbers or about 50 per second frame numbers, then this video generally goes for line-by-line inversion TV (eurovision specification).If the picture update rate of video is about 30 per second frame numbers or about 60 per second frame numbers, then this video generally goes for the TV (U.S.'s TV specification) of national television systems committee's standard.
First control module 410 can be adjusted into the refresh rate of display about 96 hertz.In fact, if the picture update rate of video is about 24 per second frame numbers, that is this video per second has 24 pictures.First control module 410 can utilize interpositioning (for example using motion prediction and motion compensation technique), inserts three interpolated frames between per two continuous pictures of video.By this, the refresh rate with display 500 is adjusted into about 96 (24 * 4) hertz.
Please continue with reference to Fig. 4.As shown in the figure, first control module 410 can comprise first setting module 412 and first update module 414.In the present embodiment, when the picture update rate that first setting module 412 can be worked as video changes about 24 per second frame numbers into, the refresh rate of display 500 is set at about 96 hertz.First update module 414 can be set at the refresh rate of display 500 after about 96 hertz, at blanking interval the refresh rate of display 500 is updated to about 96 hertz.
Above-mentioned first setting module 412 can be at video by not being about 24 per second frame numbers (for example 60 per second frame numbers) when changing the picture update rate of about 24 per second frame numbers into, and the refresh rate of display 500 is set at about 96 hertz.
During for fear of the refresh rate of refresh display 500, the user is caused visual influence.Therefore, first update module 414 can just be updated to about 96 hertz with the refresh rate of display 500 at blanking interval, uses and avoids the user is caused visual influence.So, when the picture update rate of video is about 24 per second frame numbers, the refresh rate of display 500 can be maintained about 96 hertz.In the present embodiment, above-mentioned blanking interval can be vertical blanking interval; Perhaps, in other embodiments, above-mentioned blanking interval can be the horizontal blanking interval, and those skilled in the art should look needed flexible selection at that time.
Please continue with reference to Fig. 4.As shown in the figure, video process apparatus 400 can also comprise second control module 420.In the present embodiment, when the picture update rate that second control module 420 can be worked as video is about 30 per second frame numbers or about 60 per second frame numbers, the refresh rate of display 500 is adjusted into about 120 hertz.
So, can improve the refresh rate of display 500, to reduce the response time.And can avoid display 500 shown pictures to have trembling, the phenomenon of haloing and so on takes place.
Second control module 420 can be adjusted into the refresh rate of display about 120 hertz.In fact, if the picture update rate of video is about 30 per second frame numbers or about 60 per second frame numbers, that is this video per second has 30 pictures, or this video per second has 60 pictures.If the picture update rate of video is about 30 per second frame numbers, second control module 420 can utilize interpositioning (for example using motion prediction and motion compensation technique), insert three interpolated frames between per two continuous pictures of video, the refresh rate of using display is adjusted into about 120 (30 * 4) hertz; Similarly, if the picture update rate of video is about 60 per second frame numbers, second control module 420 can utilize interpositioning, inserts an interpolated frame between per two continuous pictures of video, and the refresh rate of using display is adjusted into about 120 (60 * 2) hertz.
Please continue with reference to Fig. 4.As shown in the figure, second control module 420 can comprise second setting module 422 and second update module 424.In the present embodiment, when the picture update rate that second setting module 422 can be worked as video changes about 30 per second frame numbers or about 60 per second frame numbers into, the refresh rate of display 500 is set at about 120 hertz.Second update module 424 can be set at the refresh rate of display 500 after about 120 hertz, at blanking interval the refresh rate of display 500 is updated to about 120 hertz.
Above-mentioned second setting module 422 can be at video by not being the picture update rate of about 30 per second frame numbers or not being the picture update rate (for example 24 per second frame numbers) of about 60 per second frame numbers when changing the picture update rate of the picture update rate of about 30 per second frame numbers or about 60 per second frame numbers into, and the refresh rate of display 500 is set at about 120 hertz.
During for fear of the refresh rate of refresh display 500, the user is caused visual influence.Therefore, second update module 424 can just be updated to about 120 hertz with the refresh rate of display 500 at blanking interval, uses and avoids the user is caused visual influence.So, when the picture update rate of video is about 30 per second frame numbers or about 60 per second frame numbers, the refresh rate of display 500 can be maintained about 120 hertz.In the present embodiment, above-mentioned blanking interval can be vertical blanking interval; In other embodiments, above-mentioned blanking interval can be the horizontal blanking interval, and those skilled in the art should look needed flexible selection at that time.
Please continue with reference to Fig. 4.As shown in the figure, video process apparatus 400 can also comprise the 3rd control module 430.In the present embodiment, when the picture update rate that the 3rd control module 430 can be worked as video is about 25 per second frame numbers or about 50 per second frame numbers, the refresh rate of display 500 is adjusted into about 100 hertz.
So, can improve the refresh rate of display 500, to reduce the response time.And can avoid display 500 shown pictures to have trembling, the phenomenon of haloing and so on takes place.
The 3rd control module 430 can be adjusted into the refresh rate of display 500 about 100 hertz.In fact, if the picture update rate of video is about 25 per second frame numbers or about 50 per second frame numbers, that is this video per second has 25 pictures, or this video per second has 50 pictures.If the picture update rate of video is about 25 per second frame numbers, the 3rd control module 430 can utilize interpositioning (for example using motion prediction and motion compensation technique), insert three interpolated frames between per two continuous pictures of video, the refresh rate of using display 500 is adjusted into about 100 (25 * 4) hertz; Similarly, if the picture update rate of video is about 50 per second frame numbers, the 3rd control module 430 can utilize interpositioning, inserts an interpolated frame between per two continuous pictures of video, and the refresh rate of using display 500 is adjusted into about 100 (50 * 2) hertz.
Please continue with reference to Fig. 4.As shown in the figure, the 3rd control module 430 can comprise the 3rd setting module 432 and the 3rd update module 434.In the present embodiment, when the picture update rate that the 3rd setting module 432 can be worked as video is about 25 per second frame numbers or about 50 per second frame numbers, the refresh rate of display 500 is set at about 100 hertz.The 3rd update module 434 can be set at the refresh rate of display 500 after about 100 hertz, at blanking interval the refresh rate of display 500 is updated to about 100 hertz, and wherein, this blanking interval can be vertical blanking interval.
Above-mentioned the 3rd setting module 432 can be at video by not being the picture update rate of about 25 per second frame numbers or not being the picture update rate (for example 24 per second frame numbers) of about 50 per second frame numbers when changing the picture update rate of the picture update rate of about 25 per second frame numbers or about 50 per second frame numbers into, and the refresh rate of display 500 is set at about 100 hertz.
During for fear of the refresh rate of refresh display 500, the user is caused visual influence.Therefore, the 3rd update module 434 can just be updated to about 100 hertz with the refresh rate of display 500 at blanking interval, uses and avoids the user is caused visual influence.So, when the picture update rate of video is about 25 per second frame numbers or about 50 per second frame numbers, the refresh rate of display 500 can be maintained about 100 hertz.In the present embodiment, above-mentioned blanking interval can be vertical blanking interval; In other embodiments, above-mentioned blanking interval can be the horizontal blanking interval, and those skilled in the art should look needed flexible selection at that time.
Above-mentioned detecting unit 402, first control module 410, second control module 420 and the 3rd control module 430 can be integrated in the controller, yet this does not limit the present invention, other various hardware circuits or software programs also can be the embodiments of detecting unit 402, first control module 410, second control module 420 and the 3rd control module 430.
The embodiment of above-mentioned first setting module 412, first update module 414, second setting module 422, second update module 424, the 3rd setting module 432 and the 3rd update module 434 can be software program or hardware circuit.Those skilled in the art should look to be needed to select its embodiment flexibly at that time, and did not need entirely for software program or be hardware circuit entirely, can partly be that software program or part are hardware circuit.
In the present embodiment, video process apparatus 400 can be implemented on processor image or control chip, or is applied in the program control video control of display, and those skilled in the art should look needed flexible selection at that time.
Though the present invention with embodiment openly as above; yet it is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; should be used for a variety of modifications and variations, so protection scope of the present invention should be looked being as the criterion that the appending claims scope defined.

Claims (8)

1. method for processing video frequency comprises:
Detect the picture update rate of at least one video;
When the picture update rate of described video is about 24 per second frame numbers, the refresh rate of a display is adjusted into about 96 hertz;
When the picture update rate of described video is about 30 or during about 60 per second frame numbers, the refresh rate of described display is adjusted into about 120 hertz; And
When the picture update rate of described video is about 25 or during about 50 per second frame numbers, the refresh rate of described display is adjusted into about 100 hertz.
2. method for processing video frequency as claimed in claim 1 wherein when the picture update rate of described video is about 24 per second frame numbers, is adjusted into about 96 hertz step with the refresh rate of described display and comprises:
When the picture update rate of described video changes about 24 per second frame numbers into, the refresh rate of described display is set at about 96 hertz; And
Refresh rate at described display is set at after about 96 hertz, at a blanking interval refresh rate of described display is updated to about 96 hertz.
3. method for processing video frequency as claimed in claim 1, wherein when the picture update rate of described video be about 30 or during about 60 per second frame numbers, the refresh rate of described display is adjusted into about 120 hertz step comprises:
When the picture update rate of described video changes about 30 or during about 60 per second frame numbers into, the refresh rate of described display is set at about 120 hertz; And
Refresh rate at described display is set at after about 120 hertz, at a blanking interval refresh rate of described display is updated to about 120 hertz.
4. method for processing video frequency as claimed in claim 1, wherein when the picture update rate of described video be about 25 or during about 50 per second frame numbers, the refresh rate of described display is adjusted into about 100 hertz step comprises:
When the picture update rate of described video is about 25 or during about 50 per second frame numbers, the refresh rate of described display is set at about 100 hertz; And
Refresh rate at described display is set at after about 100 hertz, at a blanking interval refresh rate of described display is updated to about 100 hertz.
5. video process apparatus comprises:
One detecting unit is in order to detect the picture update rate of at least one video;
One first control module when being about 24 per second frame numbers in order to the picture update rate when described video, is adjusted into about 96 hertz with the refresh rate of a display;
One second control module is about 30 or during about 60 per second frame numbers in order to the picture update rate when described video, and the refresh rate of described display is adjusted into about 120 hertz; And
One the 3rd control module is about 25 or during about 50 per second frame numbers in order to the picture update rate when described video, and the refresh rate of described display is adjusted into about 100 hertz.
6. video process apparatus as claimed in claim 5, wherein said first control module comprises:
One first setting module when changing about 24 per second frame numbers in order to the picture update rate when described video, is set at about 96 hertz with the refresh rate of described display; And
One first update module is set at after about 96 hertz in order to the refresh rate at described display, at a blanking interval refresh rate of described display is updated to about 96 hertz.
7. video process apparatus as claimed in claim 5, wherein said second control module comprises:
One second setting module changes about 30 or during about 60 per second frame numbers in order to the picture update rate when described video, and the refresh rate of described display is set at about 120 hertz; And
One second update module is set at after about 120 hertz in order to the refresh rate at described display, at a blanking interval refresh rate of described display is updated to about 120 hertz.
8. video process apparatus as claimed in claim 5, wherein said the 3rd control module comprises:
One the 3rd setting module is about 25 or during about 50 per second frame numbers in order to the picture update rate when described video, and the refresh rate of described display is set at about 100 hertz; And
One the 3rd update module is set at after about 100 hertz in order to the refresh rate at described display, at a blanking interval refresh rate of described display is updated to about 100 hertz.
CN2008101880554A 2008-12-29 2008-12-29 Video processing method and device thereof Expired - Fee Related CN101770764B (en)

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