CN102905157B - Television three-dimensional (3D) signal format automatically identifying method - Google Patents
Television three-dimensional (3D) signal format automatically identifying method Download PDFInfo
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- CN102905157B CN102905157B CN201210372488.1A CN201210372488A CN102905157B CN 102905157 B CN102905157 B CN 102905157B CN 201210372488 A CN201210372488 A CN 201210372488A CN 102905157 B CN102905157 B CN 102905157B
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Abstract
The invention relates to a television technology, solves the problem that a television cannot be watched normally because of a single automatic identification threshold of a side by side (SBS) and/or a top bottom (TB) format signal in the conventional television 3D signal format automatically identifying method, and provides a television 3D signal format automatically identifying method. The technical scheme of the method can be summarized in that a logging-in 3D threshold value and a logging-off 3D threshold value are set, the phenomenon of frequently logging in and logging off a 3D mode can be avoided, and time delay is added during logging in the 3D threshold or logging out the 3D threshold to eliminate jitter. The method has the advantages that convenience is brought to a user, and the method is applied to a 3D television.
Description
Technical field
The present invention relates to television technologies, the technology of particularly television set 3D signal format identification.
Background technology
The 3D television set of current main flow, itself HDMI and USB passage all supports the reception of 3D signal, process and display, in 3D signal format, mainly contain Side By Side (SBS), Top Bottom (TB), Frame Packing (FP), MVC, 3D-ISO etc., wherein, except FP, MVC and 3D-ISO signal self can be accurately identified outside 3D form with 3D identifying information, SBS and TB signal itself does not support that 3D form identifies automatically, when viewing and admiring 3D program, just must manually switch, or start 3D form after carrying out graphical analysis by software to switch, television set can process original 3D picture, demonstrate the correct 3D picture that can for view and admire.SBS, TB signal 3D form changing method conventional is at present: 1) by remote controller, the 3D form switching menu on manual unlocking television set, controls cursor and moves, select correct 3D form; 2) set up simple 3D form automatic identification function by software, when image similarity is prescribed a time limit higher than recognitiion gate, enter 3D immediately, when image similarity is prescribed a time limit lower than recognitiion gate, exit 3D immediately.Two kinds of current method shortcomings are obvious: 1) need manual operations, intelligence degree is low; 2) need audience to carry out artificial judgment to 3D form, if 3D form selects mistake, then there will be the phenomenons such as image display entanglement, add the use difficulty of television set 3D function; 3) automatically identify that thresholding is single, enter 3D and interact with the reliability of moving back 3D, occur repeatedly retreating 3D, impact is normally watched.
Summary of the invention
The object of the invention is to overcome SBS and/or TB format signal in current television set 3D signal format automatic identifying method and automatically identify the single shortcoming causing affecting normal viewing of thresholding, a kind of television set 3D signal format automatic identifying method is provided.
The present invention solves its technical problem, and the technical scheme of employing is, television set 3D signal format automatic identifying method, is characterized in that, comprise the following steps:
Step 1, television set work, after HDMI passage or USB channel reception to the input of 3D signal, judge that in the current set of menu, 3D identifies whether automatically as opening, if not then do not process, if then initialization timer enter step 2;
Step 2, system read corresponding register, know the current image similarity being input to the picture of Video Decoder from HDMI passage or USB passage from register;
Step 3, if current 3D switch is for closing, the image similarity known and the 3D threshold value of entering preset are contrasted, if image similarity is greater than and default enters 3D threshold value, then be judged to recognize 3D rendering, enter step 4, if image similarity is less than and default enters 3D threshold value, reset timer gets back to step 2 after waiting for certain hour, if current 3D switch is for opening, then the image similarity known and the 3D threshold value of moving back preset are contrasted, if image similarity is less than and default moves back 3D threshold value, then be judged to recognize non-3D rendering, enter step 5, if image similarity is greater than and default moves back 3D threshold value, reset timer gets back to step 2 after waiting for certain hour,
Step 4, timer add up certain hour, judge timer whether completely Preset Time, if be then switched to corresponding 3D pattern and point out user, and current 3D switch is set to out, automatically corresponding decoding form is selected to play, if not then get back to step 2 according to image similarity;
Whether completely step 5, timer add up certain hour, judge timer Preset Time, if be then switched to corresponding non-3D pattern and point out user, and current 3D switch is set to pass, if not then get back to step 2.
Concrete, in step 4, the described method automatically selecting corresponding decoding form to play according to image similarity is: carry out subregional similarity statistics by hardware driving to image, if the image of screen the first half and the latter half has similarity, be then TB form similarity, select the decoding of TB form, if the image of screen left-half and right half part has similarity, be then SBS form similarity, select the decoding of SBS form.
Further, in step 4, the scope of image similarity is 0-255.
Concrete, in step 2, describedly default enter 3D threshold value and be greater than and default move back 3D threshold value.
Further, in step 2, described default 3D threshold value of entering is 208, and described default 3D threshold value of moving back is 94.
Concrete, in step 3, described certain hour is 100 milliseconds.
Further, in step 3, described Preset Time is 5 seconds.
Concrete, further comprising the steps of:
If step 6 manually selects 3D on off state, then 3D identifies and is set to pass by system automatically automatically, until user again manual 3D is identified automatically be set to out, get back to step 1.
The invention has the beneficial effects as follows, by above-mentioned television set 3D signal format automatic identifying method, by entering 3D threshold value and moving back 3D threshold value, automatic identification SBS and/or TB form 3D signal, facilitate user, and add time delay Key dithering, more can not affect the normal viewing of user.
Embodiment
Below in conjunction with embodiment, describe technical scheme of the present invention in detail.
Television set 3D signal format automatic identifying method of the present invention is: first television set work, after HDMI passage or USB channel reception to 3D signal input, judge that in the current set of menu, 3D identifies whether as opening automatically, if not then do not process, if then initialization timer, then system reads corresponding register, the current image similarity being input to the picture of Video Decoder from HDMI passage or USB passage is known from register, the image similarity known and the 3D threshold value of entering preset are contrasted, if image similarity is greater than and default enters 3D threshold value, then be judged to recognize 3D rendering, timer adds up certain hour, judge timer whether completely Preset Time, if be then switched to corresponding 3D pattern and point out user, and current 3D switch is set to out, automatically corresponding decoding form is selected to play according to image similarity, if timer is less than Preset Time, gets back to and know that step of image similarity, if image similarity is less than and default enters 3D threshold value, reset timer is got back to after waiting for certain hour and is known that step of image similarity, if current 3D switch is for opening, then the image similarity known and the 3D threshold value of moving back preset are contrasted, if image similarity is less than and default moves back 3D threshold value, then be judged to recognize non-3D rendering, timer adds up certain hour, judge timer whether completely Preset Time, if be then switched to corresponding non-3D pattern and point out user, and current 3D switch is set to pass, if timer is less than Preset Time, gets back to and know that step of image similarity, if image similarity is greater than and default moves back 3D threshold value, reset timer is got back to after waiting for certain hour and is known that step of image similarity.
Embodiment
In the television set 3D signal format automatic identifying method of this example, the scope of image similarity is 0-255.
First television set work, after HDMI passage or USB channel reception to 3D signal input.In the current set of menu, 3D identifies whether as opening automatically, if not then do not process, if then initialization timer, then system reads corresponding register, the current image similarity being input to the picture of Video Decoder from HDMI passage or USB passage is known from register, the image similarity known and the 3D threshold value of entering preset are contrasted, if image similarity is greater than and default enters 3D threshold value, then be judged to recognize 3D rendering, timer adds up certain hour, judge timer whether completely Preset Time, if be then switched to corresponding 3D pattern and point out user, and current 3D switch is set to out, if timer is less than Preset Time, gets back to and know that step of image similarity, if image similarity is less than and default enters 3D threshold value, reset timer is got back to after waiting for certain hour and is known that step of image similarity, automatically corresponding decoding form is selected to play according to image similarity, here the method automatically selecting corresponding decoding form to play according to image similarity is: carry out subregional similarity statistics by hardware driving to image, if the image of screen the first half and the latter half has similarity, it is then TB form similarity, select the decoding of TB form, if the image of screen left-half and right half part has similarity, it is then SBS form similarity, select the decoding of SBS form, if extended formatting is then identical with processing mode in prior art, here no longer describe, if current 3D switch is for opening, then the image similarity known and the 3D threshold value of moving back preset are contrasted, if image similarity is less than and default moves back 3D threshold value, then be judged to recognize non-3D rendering, timer adds up certain hour, judge timer whether completely Preset Time, if be then switched to corresponding non-3D pattern and point out user, and current 3D switch is set to pass, if timer is less than Preset Time, gets back to and know that step of image similarity, if image similarity is greater than and default moves back 3D threshold value, reset timer is got back to after waiting for certain hour and is known that step of image similarity.
In this example, the 3D threshold value of entering preset is greater than and default moves back 3D threshold value, can be set as required by user, also directly can be set by 3D television set developer, that presets in this example enters 3D threshold value for 208, that presets moves back 3D threshold value for 94, certain hour can be 100 milliseconds, Preset Time can be 5 seconds, if be namely that current 3D switch is for closing, then the image similarity known and the 3D threshold value 208 of entering preset are contrasted, if image similarity is greater than 208, then be judged to recognize 3D rendering, cumulative 100 milliseconds of timer, judge whether timer reaches 5 seconds, if be then switched to corresponding 3D pattern and point out user, and current 3D switch is set to out, if timer was less than 5 seconds, gets back to and know that step of image similarity, if image similarity is less than default 208, reset timer is got back to after waiting for 100 milliseconds and is known that step of image similarity, if current 3D switch is for opening, then the image similarity known and the 3D threshold value 94 of moving back preset are contrasted, if image similarity is less than 94, then be judged to recognize non-3D rendering, cumulative 100 milliseconds of timer, judge whether timer reaches 5 seconds, if be then switched to corresponding non-3D pattern and point out user, and current 3D switch is set to pass, if timer was less than 5 seconds, gets back to and know that step of image similarity, if image similarity is greater than and default moves back 3D threshold value, reset timer is got back to after waiting for 100 milliseconds and is known that step of image similarity.
In the television set 3D signal format automatic identifying method of this example, if user manually selects 3D on off state, then 3D identifies and is set to pass by system automatically automatically, until user again manual 3D is identified automatically be set to out, or again recognize signal after generation dropout, or after television set restarts, 3D automatically identifies and is automatically set to out, get back to and judge that in the current set of menu, 3D identifies whether automatically as opening that step.
Claims (7)
1. television set 3D signal format automatic identifying method, is characterized in that, comprise the following steps:
Step 1, television set work, after HDMI passage or USB channel reception to the input of 3D signal, judge that in the current set of menu, 3D identifies whether automatically as opening, if not then do not process, if then initialization timer enter step 2;
Step 2, system read corresponding register, know the current image similarity being input to the picture of Video Decoder from HDMI passage or USB passage from register;
Step 3, system judges current 3D on off state, if current 3D switch is for closing, then the image similarity known and the 3D threshold value of entering preset are contrasted, if image similarity is greater than and default enters 3D threshold value, then be judged to recognize 3D rendering, enter step 4, if image similarity is less than and default enters 3D threshold value, reset timer gets back to step 2 after waiting for certain hour, if current 3D switch is for opening, then the image similarity known and the 3D threshold value of moving back preset are contrasted, if image similarity is less than and default moves back 3D threshold value, then be judged to recognize non-3D rendering, enter step 5, if image similarity is greater than and default moves back 3D threshold value, reset timer gets back to step 2 after waiting for certain hour, describedly default enter 3D threshold value and be greater than and default move back 3D threshold value,
Whether completely step 4, timer add up certain hour, judge timer Preset Time, if be then switched to corresponding 3D pattern and point out user, and current 3D switch is set to out, automatically select corresponding decoding form to play according to image similarity, this process terminates, if not then get back to step 2;
Whether completely step 5, timer add up certain hour, judge timer Preset Time, if be then switched to corresponding non-3D pattern and point out user, and current 3D switch is set to pass, if not then get back to step 2.
2. television set 3D signal format automatic identifying method according to claim 1, it is characterized in that, in step 4, the described method automatically selecting corresponding decoding form to play according to image similarity is: carry out subregional similarity statistics by hardware driving to image, if the image of screen the first half and the latter half has similarity, it is then TB form similarity, select the decoding of TB form, if the image of screen left-half and right half part has similarity, be then SBS form similarity, select the decoding of SBS form.
3. television set 3D signal format automatic identifying method according to claim 1, it is characterized in that, in step 1, the scope of image similarity is 0-255.
4. television set 3D signal format automatic identifying method according to claim 1, it is characterized in that, in step 3, described default 3D threshold value of entering is 208, and described default 3D threshold value of moving back is 94.
5. television set 3D signal format automatic identifying method according to claim 1, it is characterized in that, in step 4, described certain hour is 100 milliseconds.
6. television set 3D signal format automatic identifying method according to claim 1, it is characterized in that, in step 4, described Preset Time is 5 seconds.
7. television set 3D signal format automatic identifying method according to claim 1 or 2 or 3 or 4 or 5 or 6, is characterized in that, further comprising the steps of:
If step 6 manually selects 3D on off state, then 3D identifies and is set to pass by system automatically automatically, until user again manual 3D is identified automatically be set to out, or again recognize signal after generation dropout, or after television set restarts, 3D automatically identifies and is automatically set to out, and gets back to step 1.
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| CN201210372488.1A CN102905157B (en) | 2012-09-29 | 2012-09-29 | Television three-dimensional (3D) signal format automatically identifying method |
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| CN201210372488.1A CN102905157B (en) | 2012-09-29 | 2012-09-29 | Television three-dimensional (3D) signal format automatically identifying method |
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| CN105991991A (en) * | 2015-06-19 | 2016-10-05 | 乐视致新电子科技（天津）有限公司 | Video recognition method and device |
| CN105847822A (en) * | 2016-04-01 | 2016-08-10 | 乐视控股（北京）有限公司 | Video decoding method and device |
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| EP2534844A2 (en) * | 2010-02-09 | 2012-12-19 | Koninklijke Philips Electronics N.V. | 3d video format detection |
| CN102395037B (en) * | 2011-06-30 | 2014-11-05 | 深圳超多维光电子有限公司 | Format recognition method and device |
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