CN104038839A - TV (television) image quality adjustment method - Google Patents
TV (television) image quality adjustment method Download PDFInfo
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- CN104038839A CN104038839A CN201410181411.5A CN201410181411A CN104038839A CN 104038839 A CN104038839 A CN 104038839A CN 201410181411 A CN201410181411 A CN 201410181411A CN 104038839 A CN104038839 A CN 104038839A
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Abstract
The invention relates to the television (TV) technology. The invention solves the problems that in the prior art TV image quality cannot be automatically adjusted according to the video resource, and provides a TV image quality adjustment method, and the technical scheme can be summarized as follows: when users watch a TV, the system automatically grabs the first frame of current TV to-be-broadcasted content, broadcast image quality related data is extracted and stored, then current environment data is obtained and stored, screen image quality related data of the TV screen itself can be red, according to the stored broadcast image quality related data, the screen image quality related data and the current environment data, image quality data most suitable for the frame can be calculated, the image quality data in the extraction frame is replaced for broadcast, if previous frame image quality data is existed, the image quality data needs to select image quality data which is closest to the previous frame image quality data in an image quality data range most suitable for the frame, and the above steps are repeated until the broadcast content broadcast is completed. The beneficial effect of the invention is convenient to the users, and suitable for the TV system.
Description
Technical field
The present invention relates to television technologies, the technology that particularly picture quality of television is adjusted.
Background technology
Along with the development of television technologies, the arrival in intelligent television epoch, TV programme is more and more, and along with the application of portable hard drive on television set, and increasing intelligent television network enabled video playback, the content of televising is got more and more, various like this play content, its image quality also varies, and the requirement that user adjusts image quality is like this just more and more higher.
On television set, carry out at present image quality adjustment and have two kinds of methods: a kind of is several mode standards that the technical staff of television set manufacturer adjusts, this method can be with the content change on television set, and adjust dynamically image quality, for present various video resource, user need to repeatedly adjust image quality pattern, even if the basic standard pattern that like this, television manufacturer provides just can not meet the demand that user adjusts various video resource image quality at all; Another kind of is exactly to provide the interface of adjusting image quality to user, this method needs again user to grasp suitable image quality knowledge, this is impossible to domestic consumer, and can not change with video dynamically, often change a scene or a video, just need user to readjust various image quality parameter, not directly perceived like this, inconvenient, more not intelligent again, the more and more difficult needs that meet people's use.
Summary of the invention
The object of the invention is to overcome current picture quality of television adjustment and can, according to the self-adjusting shortcoming of video resource, not provide a kind of picture quality of television method of adjustment.
The present invention solves its technical problem, and the technical scheme of employing is that picture quality of television method of adjustment, is characterized in that, comprises the following steps:
Step 1, user watch TV, and system automatic capturing TV is wanted the first frame of play content, extract the first frame and play image quality related data storage;
Step 2, system time obtain current environment data storage or upgrade the current environment data of storage;
Step 3, system read the screen image quality related data of television screen itself;
Step 4, system are play image quality related data, screen image quality related data and current environment data according to the first frame of storage, calculate the image quality data of applicable this frame, play after replacing the image quality data of extracting in frame;
Step 5, system judge whether this play content does not have next frame, if finish playing, if not system grabs next frame extracts this frame video image quality related data storage;
Step 6, system are play image quality related data, screen image quality related data and current environment data according to this frame of storage, calculate the image quality data of applicable this frame, these image quality data need to select to approach most the image quality data of the image quality data that previous frame replaces in the image quality data area of the most applicable this frame, replace the image quality data in this frame, delete the broadcasting image quality related data of storing when previous frame calculates its image quality data simultaneously, get back to step 5.
Concrete, in step 1, described play content comprises video or the picture on video or picture and/or the hard disk on TV programme and/or network.
Further, in step 1, described broadcasting image quality related data comprises brightness, contrast and colour temperature.
Concrete, in step 2, described current environment data are the current environment data relevant to image quality, at least comprise current environment brightness.
Further, in step 3, described screen image quality related data comprises PQ (picture quality) data and/or the GAMMA data of screen.
Concrete, in step 4 and step 6, the formula of described calculating is:
new_PQ＝(α·pre_PQ+(256-α)·cur_PQ)/256
Wherein, image quality data after new_PQ does not calculate, pre_PQ is the image quality data that previous frame calculates, in the time of the image quality data that do not have previous frame to calculate, pre_PQ is 0, cur_PQ is current measurement data, has wherein comprised this frame and has play image quality related data and screen image quality related data, and α is current environment data.
The invention has the beneficial effects as follows, by above-mentioned picture quality of television method of adjustment, can make television set automatically adjust image quality according to play content, facilitate user.
Embodiment
Below in conjunction with embodiment, describe technical scheme of the present invention in detail.
Picture quality of television method of adjustment of the present invention is: first in the time that user watches TV, system automatic capturing TV is wanted the first frame of play content, extract the first frame and play image quality related data storage, then system time obtains current environment data storage or upgrades the current environment data of storing, and read the screen image quality related data of television screen itself, play image quality related data according to the first frame of storage again, screen image quality related data and current environment data, calculate the image quality data of applicable this frame, after replacing the image quality data of extracting in frame, play, then system judges whether this play content does not have next frame, if finish playing, if not capture next frame, extract this frame video image quality related data storage, play image quality related data according to this frame of storage again, screen image quality related data and current environment data, calculate the image quality data of applicable this frame, these image quality data need to select to approach most the image quality data of the image quality data that previous frame replaces in the image quality data area of the most applicable this frame, after replacing the image quality data in this frame, play, delete the broadcasting image quality related data of storing when previous frame calculates its image quality data simultaneously, get back to system, system judges whether this play content does not have that step of next frame.
Embodiment
In this routine picture quality of television method of adjustment, comprise following concrete steps:
Step 1, user watch TV, and system automatic capturing TV is wanted the first frame of play content, extract the first frame and play image quality related data storage.Play image quality related data and comprise brightness, contrast and colour temperature etc.
In this step, play content comprises the content that can play on the TV such as video or picture on video or picture and/or the hard disk on TV programme and/or network.
Step 2, system time obtain current environment data storage or upgrade the current environment data of storage.
In this step, current environment data are the current environment data relevant to image quality, at least comprise current environment brightness.
Step 3, system read the screen image quality related data of television screen itself.
In this step, screen image quality related data comprises the television screen data relevant to image quality such as PQ (picture quality) data and/or GAMMA data of screen.
Step 4, system are play image quality related data, screen image quality related data and current environment data according to the first frame of storage, calculate the image quality data of applicable this frame, play after replacing the image quality data of extracting in frame.
In this step, the formula of calculating is:
new_PQ＝(α·pre_PQ+(256-α)·cur_PQ)/256
Wherein, image quality data after new_PQ does not calculate, pre_PQ is the image quality data that previous frame calculates, due to the image quality data that now do not have previous frame to calculate, pre_PQ is 0, cur_PQ is current measurement data, has wherein comprised this frame and has play image quality related data and screen image quality related data, and α is current environment data.
Step 5, system judge whether this play content does not have next frame, if finish playing, if not system grabs next frame extracts this frame video image quality related data storage.
Step 6, system is play image quality related data according to this frame of storage, screen image quality related data and current environment data, calculate the image quality data of applicable this frame, these image quality data need to select to approach most the image quality data of the image quality data that previous frame replaces in the image quality data area of the most applicable this frame, replace the image quality data in this frame, can prevent that like this sudden change from appearring in image quality parameter, delete the broadcasting image quality related data of storing when previous frame calculates its image quality data simultaneously, can prevent like this that data volume is excessive and cause television set memory device to overflow, get back to step 5.
In this step, the formula of calculating is:
new_PQ＝(α·pre_PQ+(256-α)·cur_PQ)/256
Wherein, the image quality data after new_PQ does not calculate, pre_PQ is the image quality data that previous frame calculates, and cur_PQ is current measurement data, has wherein comprised this frame and has play image quality related data and screen image quality related data, and α is current environment data.Owing to wherein having used pre_PQ to calculate, be the image quality data that reached described these image quality data and need to select to approach most the image quality data that previous frame replaces in the image quality data area of the most applicable this frame.
Claims (6)
1. picture quality of television method of adjustment, is characterized in that, comprises the following steps:
Step 1, user watch TV, and system automatic capturing TV is wanted the first frame of play content, extract the first frame and play image quality related data storage;
Step 2, system time obtain current environment data storage or upgrade the current environment data of storage;
Step 3, system read the screen image quality related data of television screen itself;
Step 4, system are play image quality related data, screen image quality related data and current environment data according to the first frame of storage, calculate the image quality data of applicable this frame, play after replacing the image quality data of extracting in frame;
Step 5, system judge whether this play content does not have next frame, if finish playing, if not system grabs next frame extracts this frame video image quality related data storage;
Step 6, system are play image quality related data, screen image quality related data and current environment data according to this frame of storage, calculate the image quality data of applicable this frame, these image quality data need to select to approach most the image quality data of the image quality data that previous frame replaces in the image quality data area of the most applicable this frame, replace the image quality data in this frame, delete the broadcasting image quality related data of storing when previous frame calculates its image quality data simultaneously, get back to step 5.
2. picture quality of television method of adjustment according to claim 1, is characterized in that, in step 1, described play content comprises video or the picture on video or picture and/or the hard disk on TV programme and/or network.
3. picture quality of television method of adjustment according to claim 1, is characterized in that, in step 1, described broadcasting image quality related data comprises brightness, contrast and colour temperature.
4. picture quality of television method of adjustment according to claim 1, is characterized in that, in step 2, described current environment data are the current environment data relevant to image quality, at least comprise current environment brightness.
5. picture quality of television method of adjustment according to claim 1, is characterized in that, in step 3, described screen image quality related data comprises PQ data and/or the GAMMA data of screen.
6. according to picture quality of television method of adjustment described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, in step 4 and step 6, the formula of described calculating is:
new_PQ＝(α·pre_PQ+(256-α)·cur_PQ)/256
Wherein, image quality data after new_PQ does not calculate, pre_PQ is the image quality data that previous frame calculates, in the time of the image quality data that do not have previous frame to calculate, pre_PQ is 0, cur_PQ is current measurement data, has wherein comprised this frame and has play image quality related data and screen image quality related data, and α is current environment data.
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| CN107534785A (en) * | 2015-05-05 | 2018-01-02 | 维亚塞斯公司 | Method for the grade of the definition of the image that sets multimedia programming |
| CN110636364A (en) * | 2019-09-24 | 2019-12-31 | 深圳创维－Rgb电子有限公司 | Image quality processing method, smart television and storage medium |
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| WO2023087152A1 (en) * | 2021-11-16 | 2023-05-25 | 深圳Tcl新技术有限公司 | Image quality adjusting method and apparatus, device, and storage medium |
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