CN103384314A - Intelligent picture quality adjusting method based on dynamic and static pictures - Google Patents
Intelligent picture quality adjusting method based on dynamic and static pictures Download PDFInfo
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- CN103384314A CN103384314A CN2013102861778A CN201310286177A CN103384314A CN 103384314 A CN103384314 A CN 103384314A CN 2013102861778 A CN2013102861778 A CN 2013102861778A CN 201310286177 A CN201310286177 A CN 201310286177A CN 103384314 A CN103384314 A CN 103384314A
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Abstract
The invention relates to an intelligent picture quality adjusting method based on dynamic and static pictures. The method is characterized by comprising the steps of obtaining brightness and chromatic information of the pictures through a central processing unit (CPU) of a television, comparing the brightness and chromatic information with previous brightness and chromatic information in a DDR, dividing the current pictures into windows, obtaining brightness and chromatic information of each window, comparing the brightness and chromatic information with brightness and chromatic information of windows of previous pictures at the same positions to distinguish whether the pictures are static or dynamic, and setting picture parameters according to distinguishing results. According to the method, picture qualities can be adjusted by distinguishing whether displayed pictures are dynamic or static, manual adjustment of picture quality parameters is not needed, and users are enabled to obtain visual enjoyment and pleasure.
Description
Technical field
The present invention relates to image quality on television adjustment technology field, particularly a kind of based on dynamically and the implementation method of tableaux adjustment image quality.
Background technology
Traditional television set does not have pair dynamic menu and tableaux to differentiate, and mostly is based on the signal of input, obtains brightness or the chrominance information of picture.According to obtaining information, then the image quality parameter is simply set.Perhaps the user is by manually adjust the image quality parameter in menu, to satisfy visual demand.Traditional television set is simply adjusted the image quality of picture only based on brightness or chrominance information.Do not have dynamic and tableaux are differentiated, the image quality parameter is set.When the image quality parameter can not be met customer need, need to repeatedly the image quality parameter be adjusted according to different input signals, affect the client to the use of television set.
And add in new television models dynamically and tableaux differentiate and mostly be based on hardware and carry out, according to the result of differentiation, select different filters, set identical image quality parameter.
Summary of the invention
The purpose of this invention is to provide a kind of implementation method based on dynamic and tableaux adjustment image quality, can be that the dynamic or static image quality of carrying out is regulated according to display frame.
The present invention adopts following scheme to realize: a kind of implementation method based on dynamic and tableaux adjustment image quality, it is characterized in that: brightness, the chrominance information of obtaining picture by the CPU of television set, and brightness, the chrominance information of the picture before same in DDR compare, divide form with current picture again, and obtain brightness, the chrominance information of each form, with brightness, the chrominance information of the form of picture same position compare before, and then differentiation is tableaux or dynamic menu, and according to differentiating result, set the image quality parameter.
In an embodiment of the present invention, the obtaining of described monochrome information, comparison procedure are as follows: when the signal input was arranged, television set carried out signal detection, by reading register, obtained that picture brightness is always counted and relevant picture brightness information; The brightness of picture is divided into the n rank, obtains the monochrome information on every rank, obtain the picture characteristics curve of current picture; Television set is set up the block diagram information of obtaining picture according to this picture characteristics curve, then the scope of this block diagram is carried out the n decile, obtaining the brightness on every rank counts, and then the brightness of calculating every rank is counted and is accounted for the percentage that picture is always counted, and the percentage of counting of the brightness on the every rank that will calculate with before the brightness of the picture percentage of counting compare and whether change, if have be dynamic menu, if do not change, carry out colourity relatively.
In an embodiment of the present invention, described colourity is obtained, process relatively is as follows: when the signal input was arranged, television set carried out signal detection, by reading register, obtained the picture chrominance information that picture colourity is always counted and be correlated with; The colourity of picture is divided into the n rank, obtains the chrominance information on every rank, obtain the Colour curve of current picture; And the scope of Colour curve is carried out the n decile, obtaining the colourity on every rank counts, and then the colourity of calculating every rank is counted and is accounted for the percentage that picture is always counted, whether the percentage that the percentage of counting of the colourity on every rank of then calculating is counted with the colourity of picture before compares and changes, if have be dynamic menu, if do not change, carry out form relatively.
In an embodiment of the present invention, described picture divides the comparison procedure of form as follows: television set is after obtaining current picture, current picture is divided into N form in the horizontal direction, be divided in vertical direction M form, the CPU of television set obtains brightness, the chrominance information of current each form of picture, and in DDR in a same picture brightness, the chrominance information of the form of same position compare, check whether change, if change for dynamic menu, if unchanged be tableaux.
In an embodiment of the present invention, described setting image quality parameter is to differentiate according to the brightness of obtaining, chrominance information which part of setting with TV set software to be complementary, and then call corresponding image quality parameter, and image quality is set, make television set obtain better image quality.
In an embodiment of the present invention, brightness, chrominance information that described CPU obtains picture are to obtain from the signal of the outside input of TV, comprise that the signal source that television set is play is TV signal, video, component signal or USB source signal.
The present invention, by being dynamically or tableaux to the collection of signal of input and differentiation, and then carry out the image quality parameter that Intelligent Dynamic is set television set, do not need manually the image quality parameter to be adjusted, just can make the user obtain visual enjoyment, reach pleasing effect.
Description of drawings
Fig. 1 is embodiment of the present invention schematic flow sheet.
Fig. 2 is that schematic flow sheet is obtained, compared to embodiment of the present invention monochrome information.
Fig. 3 is that schematic flow sheet is obtained, compared to embodiment of the present invention chrominance information.
Fig. 4 is the comparison procedure schematic diagram that embodiment of the present invention picture divides form.
Fig. 5 is embodiment of the present invention level, vertical form distribution schematic diagram.
Fig. 6 is embodiment of the present invention circuit theory schematic diagram.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples.
Please refer to Fig. 1, the present embodiment provides the implementation method based on dynamic and tableaux adjustment image quality, and the method comprises the following steps:
(1) the CPU sensed luminance distributes 201, obtains the monochrome information of picture, and the monochrome information of the picture before in DDR, that current picture brightness is same compares, differentiate picture brightness and change 202, if picture brightness changes, directly differentiate for dynamic menu 208, withdraw from the differentiation flow process;
(2) if picture brightness does not change, detect Colour 203, obtain the chrominance information of picture, and the picture chrominance information before in DDR, that the colourity of current picture is same compares, differentiate picture colourity and change 204, if picture colourity changes, directly differentiate for dynamic menu 208, withdraw from the differentiation flow process;
(3) if picture colourity does not change, detect picture form 205, obtain brightness, the chrominance information of current each form of picture, with view window brightness, the colourity of picture compare before, and brightness, the colourity of differentiating the picture form changes 206, if change, is dynamic menu 208, if not being tableaux 207, complete the differentiation of dynamic menu, tableaux.
Concrete, seeing also Fig. 2, Fig. 2 is that schematic flow sheet is obtained, compared to monochrome information.When having signal to input 301, television set can carry out signal detection, by reading register, obtains the picture brightness information 302 that picture brightness is always counted and be correlated with.The brightness of picture is divided into the n rank, obtains the monochrome information 303 on every rank, obtain the picture characteristics curve of current picture.When the television set picked up signal is inputted, the picture characteristics curve that television set just can obtain by CPU, set up the block diagram information of picture, and the scope of this block diagram is carried out the n decile, obtaining the brightness on every rank counts, and then the brightness of calculating every rank is counted and is accounted for the percentage 304 that picture is always counted, and the percentage of counting of the brightness on the every rank that will calculate with before the brightness of the picture percentage of counting compare and whether change, if have be dynamic menu, if do not change, carry out colourity relatively, wherein n is natural number.
See also Fig. 3, Fig. 3 is that schematic flow sheet is obtained, compared to chrominance information.When having signal to input 401, television set can carry out signal detection, by reading register, obtains the picture brightness information 402 that picture colourity is always counted and be correlated with.The colourity of picture is divided into the n rank, obtains the chrominance information 403 on every rank, obtain the Colour curve of current picture.And the scope of Colour curve is carried out the n decile, obtaining the colourity on every rank counts, and then the colourity of calculating every rank is counted and is accounted for the percentage 404 that picture is always counted, and the percentage of counting of the colourity on the every rank that will calculate with before the colourity of the picture percentage of counting compare and whether change, if have be dynamic menu, if do not change, carry out form relatively.
See also Fig. 4, Fig. 4 is the comparison procedure schematic diagram that picture divides form.Television set is divided into N form in the horizontal direction with current picture after obtaining current picture, be divided in vertical direction M form 501, as Fig. 5.The CPU of television set obtains brightness, the chrominance information 502 of current each form of picture, and in DDR in a same picture brightness, the chrominance information of the form of same position compare, check whether change, if change for dynamic menu, if unchanged be tableaux.Wherein N is natural number.Add view window brightness, chrominance information differentiation, the accuracy of can improve dynamically, tableaux being differentiated.Brightness, colourity to picture change relatively, and brightness, the colourity that can only obtain current picture change, and it is dynamic or static can not differentiating picture fully.When brightness, colourity are all unchanged, mutually exchange as each form, differentiate by brightness, the colourity of adding the form part, can judge accurately dynamically and tableaux.The CPU of television set sets different image quality parameters based on dynamic, the tableaux information that obtain.Be complementary with any part of software set according to the brightness of obtaining, chrominance information differentiation, call corresponding image quality parameter, image quality is set, make television set obtain better image quality.
It is worth mentioning that, see also Fig. 6, this TV function receives various signals, and when the signal source of playing when television set was TV, the signal of input can be decoded in " satisfy the need and distribute decoder DeMux Descrambler ".If this television set is supported DTV, the signal that obtains from " DeMux Descrambler " can be inputed to " digital video decoder Digital Video Decode ", and decode in " Digital Video Decode ", the data that solve are passed in CPU.If this television set is not supported DTV, can will obtain the communication that solves from " DeMux Descrambler " to CPU.
When the signal source of playing when television set is video, component signal, the signal of input can transfer to " analog video decoder device Analog Video Capture ", decode in " Analog Video Capture ", then with the communication that solves to CPU.
When the signal source of playing when television set was HDMI, the signal of input can transfer to " HD video decoder HDMI Video Capture ", decode in " HDMI Video Capture ", then with the communication that solves to CPU
When the signal of television set input was the signal of USB information source, the signal of input can transfer to " USB 2.0 ", decode in " USB 2.0 ", with the communication that obtains to CPU.
CPU obtains the brightness of picture, the relevant information of colourity from the information that each decoder transmits.The algorithm that CPU is good according to software set carries out computing with brightness, the chrominance information obtained in DDR, and judges it is dynamic menu or tableaux.CPU combines the result of determination of obtaining and brightness, the chrominance information obtained according to software algorithm, set the image quality parameter in " video drive Generation Video Processor ", " Generation Video Processor " exports the image quality parameter that sets to display floater panel end, watches for the client.
The above is only preferred embodiment of the present invention, and all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (6)
1. one kind based on dynamically and the implementation method of tableaux adjustment image quality, it is characterized in that: brightness, the chrominance information of obtaining picture by the CPU of television set, and brightness, the chrominance information of the picture before same in DDR compare, divide form with current picture again, and obtain brightness, the chrominance information of each form, with brightness, the chrominance information of the form of picture same position compare before, and then differentiation is tableaux or dynamic menu, and according to differentiating result, set the image quality parameter.
2. according to claim 1 based on dynamically and the implementation method of tableaux adjustment image quality, it is characterized in that: the obtaining of described monochrome information, comparison procedure are as follows: when the signal input is arranged, television set carries out signal detection, by reading register, obtain the picture brightness information that picture brightness is always counted and be correlated with; The brightness of picture is divided into the n rank, obtains the monochrome information on every rank, obtain the picture characteristics curve of current picture; Television set is set up the block diagram information of obtaining picture according to this picture characteristics curve, then the scope of this block diagram is carried out the n decile, obtaining the brightness on every rank counts, and then the brightness of calculating every rank is counted and is accounted for the percentage that picture is always counted, and the percentage of counting of the brightness on the every rank that will calculate with before the brightness of the picture percentage of counting compare and whether change, if have be dynamic menu, if do not change, carry out colourity relatively.
3. according to claim 2 based on dynamically and the implementation method of tableaux adjustment image quality, it is characterized in that: described colourity is obtained, process relatively is as follows: when the signal input is arranged, television set carries out signal detection, by reading register, obtain the picture chrominance information that picture colourity is always counted and be correlated with; The colourity of picture is divided into the n rank, obtains the chrominance information on every rank, obtain the Colour curve of current picture; And the scope of Colour curve is carried out the n decile, obtaining the colourity on every rank counts, and then the colourity of calculating every rank is counted and is accounted for the percentage that picture is always counted, whether the percentage that the percentage of counting of the colourity on every rank of then calculating is counted with the colourity of picture before compares and changes, if have be dynamic menu, if do not change, carry out form relatively.
4. according to claim 3 based on dynamically and the implementation method of tableaux adjustment image quality, it is characterized in that: described picture divides the comparison procedure of form as follows: television set is after obtaining current picture, current picture is divided into N form in the horizontal direction, be divided in vertical direction M form, the CPU of television set obtains the brightness of current each form of picture, chrominance information, and the brightness of the form of same position in a same picture in DDR, chrominance information compares, check whether change, if change for dynamic menu, if unchanged be tableaux.
5. according to claim 1 based on dynamically and the implementation method of tableaux adjustment image quality, it is characterized in that: described setting image quality parameter is to differentiate according to the brightness of obtaining, chrominance information which part of setting with TV set software to be complementary, and then call corresponding image quality parameter, image quality is set, made television set obtain better image quality.
6. according to claim 1 based on dynamically and the implementation method of tableaux adjustment image quality, it is characterized in that: brightness, chrominance information that described CPU obtains picture are to obtain from the signal of the outside input of TV, comprise that the signal source that television set is play is TV signal, video, component signal or USB source signal.
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| CN106534942A (en) * | 2016-11-04 | 2017-03-22 | 微鲸科技有限公司 | Video image quality adjusting method and apparatus |
| CN106604371A (en) * | 2016-10-28 | 2017-04-26 | 努比亚技术有限公司 | Intelligent terminal energy-saving controlling device and method and mobile terminal |
| US10475413B2 (en) | 2017-03-10 | 2019-11-12 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for adjusting backlight brightness of screen, and mobile terminal |
| CN113422954A (en) * | 2021-06-18 | 2021-09-21 | 合肥宏晶微电子科技股份有限公司 | Video signal processing method, device, equipment, chip and computer readable medium |
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