CN103384314B - Based on dynamic and the implementation method of tableaux adjustment image quality - Google Patents
Based on dynamic and the implementation method of tableaux adjustment image quality Download PDFInfo
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Abstract
The present invention relates to a kind of based on dynamic and the implementation method of tableaux adjustment image quality, it is characterized in that: obtain the brightness of picture, chrominance information by the CPU of television set, and the brightness of picture, the chrominance information before same in DDR compares, form is divided again by current picture, and obtain the brightness of each form, chrominance information, with the brightness of the form of picture same position, chrominance information compare before, and then differentiate it is tableaux or dynamic menu, and according to differentiating result, it is set image quality parameter.The present invention can be dynamic or static to carry out image quality regulation according to display picture, it is not necessary to is manually adjusted image quality parameter, it is possible to make user obtain visual enjoyment, reach pleasing effect.
Description
Technical field
The present invention relates to image quality on television adjustment technology field, particularly a kind of based on dynamic and tableaux adjustment
The implementation method of image quality.
Background technology
Traditional television set does not have and differentiates dynamic menu and tableaux, is signal based on input mostly,
Obtain brightness or the chrominance information of picture.According to the information of acquisition, then image quality parameter is simply set.Or user is led to
Cross and carry out in a menu manually adjusting image quality parameter, to meet visual demand.Traditional television set is based only on brightness or colourity letter
Breath, simply adjusts the image quality of picture.Do not have and dynamic and tableaux are differentiated, be configured image quality ginseng
Number.When image quality parameter can not be met customer need, need according to different input signals, repeatedly image quality parameter is adjusted
Whole, affect client's use to television set.
And the dynamic and tableaux differentiation added in new television models is carried out based on hardware mostly, according to differentiate
As a result, carry out selecting different wave filter, set identical image quality parameter.
Summary of the invention
It is an object of the invention to provide a kind of based on dynamic and the implementation method of tableaux adjustment image quality, can basis
Display picture is dynamic or static to carry out image quality regulation.
The present invention uses below scheme to realize: a kind of based on dynamic and the implementation method of tableaux adjustment image quality,
It is characterized in that: obtain the brightness of picture, chrominance information by the CPU of television set, and in DDR with before picture bright
Degree, chrominance information compare, then current picture divide form, and obtain the brightness of each form, chrominance information, with drawing before
The brightness of the form of face same position, chrominance information compare, and then differentiate it is tableaux or dynamic menu, and according to
Differentiate result, be set image quality parameter.
In an embodiment of the present invention, the acquisition of described monochrome information, comparison procedure are as follows: when there being signal to input,
Television set carries out signal detection, by reading depositor, obtains picture brightness and always counts and relevant picture brightness information；By picture
The brightness in face is divided into n rank, obtains the monochrome information on every rank, obtains the picture characteristics curve of current picture；Television set is according to this figure
As characteristic curve sets up the histogram information of acquisition picture, then the scope of this block diagram is carried out n decile, obtain the bright of every rank
Degree is counted, and then the brightness calculating every rank is counted and accounted for the percentage ratio that picture is always counted, and counting the brightness on the every rank calculated
Percentage ratio compare with the percentage ratio that the brightness of picture the most before is counted and whether change, if had, be dynamic menu,
Without change, then carry out colourity and compare.
In an embodiment of the present invention, described colourity obtains, the process that compares is as follows: when there being signal to input, television set
Carry out signal detection, by reading depositor, obtain picture chromenence and always count and relevant picture chromenence information；By the color of picture
Degree is divided into n rank, obtains the chrominance information on every rank, obtains the Colour curve of current picture；And by the model of Colour curve
Enclosing and carry out n decile, the colourity obtaining every rank is counted, and then the colourity calculating every rank is counted and accounted for the percentage ratio that picture is always counted, so
Whether the percentage ratio counted of the colourity on every rank of rear calculating compares with the percentage ratio that the colourity of picture before is counted has
Change, if had, being dynamic menu, without change, then carrying out form and comparing.
In an embodiment of the present invention, described picture divides the comparison procedure of form as follows: television set is obtaining current picture
Behind face, current picture is divided in the horizontal direction N number of form, is divided into M form in vertical direction, television set
CPU obtains the brightness of each form of current picture, chrominance information, and the ibid form of same position in a picture in DDR
Brightness, chrominance information compare, and check whether to change, if changed, are dynamic menu, if unchanged, it would be quiet
State picture.
In an embodiment of the present invention, described setting image quality parameter be according to obtain brightness, chrominance information differentiate with
Which part that TV set software sets matches, and then calls corresponding image quality parameter, is set image quality, makes television set
Obtain preferably image quality.
In an embodiment of the present invention, described CPU obtains the brightness of picture, chrominance information is the letter from the outside input of TV
Obtaining in number, the signal source play including television set is TV signal, video, component signal or USB source signal.
The present invention, collection differentiation by the signal to input are dynamic or tableaux, and then it is dynamic to carry out intelligence
State sets the image quality parameter of television set, it is not necessary to be manually adjusted image quality parameter, it is possible to make user obtain visual
Enjoy, reach pleasing effect.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention schematic flow sheet.
Fig. 2 is that embodiment of the present invention monochrome information obtains, compares schematic flow sheet.
Fig. 3 is that embodiment of the present invention chrominance information obtains, compares schematic flow sheet.
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.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
Refer to Fig. 1, the present embodiment provides based on dynamic and the implementation method of tableaux adjustment image quality, the method
Comprise the following steps:
(1) CPU detects Luminance Distribution 201, it is thus achieved that the monochrome information of picture, and in DDR, current picture brightness is same
The monochrome information of picture before compares, it determines picture brightness change 202, if picture brightness changes, the most directly sentences
Not Wei dynamic menu 208, exit differentiation flow process；
(2) if picture brightness is not changed in, then detection Colour 203, it is thus achieved that the chrominance information of picture, and at DDR
Middle the colourity of current picture is compared with picture chromenence information the most before, it determines picture chromenence change 204, if picture color
Degree changes, and is the most directly determined as dynamic menu 208, exits differentiation flow process；
(3) if picture chromenence is not changed in, then detection picture form 205, obtain the brightness of each form of current picture, color
Degree information, compares with the view window brightness of picture, colourity before, and differentiates the brightness of picture form, colourity change 206, as
Fruit changes, then be dynamic menu 208, if not being then tableaux 207, complete the differentiation of dynamic menu, tableaux.
Concrete, referring to Fig. 2, Fig. 2 is that monochrome information obtains, compares schematic flow sheet.When there being signal to input 301,
Television set can carry out signal detection, by reading depositor, obtains picture brightness and always counts and relevant picture brightness information
302.The brightness of picture is divided into n rank, obtains the monochrome information 303 on every rank, obtain the picture characteristics curve of current picture.Work as electricity
When obtaining signal input depending on machine, the picture characteristics curve that television set just can be obtained by CPU, set up the block diagram letter of picture
Breath, and the scope of this block diagram is carried out n decile, the brightness obtaining every rank is counted, and then the brightness calculating every rank is counted and accounted for picture
The percentage ratio 304 always counted in face, and the percentage ratio counted of the brightness on the every rank calculated is counted with the brightness of picture before
Percentage ratio compare and whether change, if had, being dynamic menu, without change, then carrying out colourity and comparing, its
Middle n is natural number.
Referring to Fig. 3, Fig. 3 is that chrominance information obtains, compares schematic flow sheet.When there being signal to input 401, television set meeting
Carry out signal detection, by reading depositor, obtain picture chromenence and always count and relevant picture brightness information 402.By picture
Colourity be divided into n rank, obtain the chrominance information 403 on every rank, obtain the Colour curve of current picture.And Colour is bent
The scope of line carries out n decile, and the colourity obtaining every rank is counted, and then the colourity calculating every rank is counted and accounted for the percentage that picture is always counted
Ratio 404, and the percentage ratio that the percentage ratio counted of the colourity on the every rank calculated is counted with the colourity of picture before is compared
More whether changing, if had, being dynamic menu, without change, then carry out form and compare.
Referring to Fig. 4, Fig. 4 is the comparison procedure schematic diagram that picture divides form.Television set, will after obtaining current picture
Current picture is divided into N number of form in the horizontal direction, is divided into M form 501 in vertical direction, such as Fig. 5.Television set
CPU obtain the brightness of each form of current picture, chrominance information 502, and ibid the regarding of same position in a picture in DDR
The brightness of window, chrominance information compare, and check whether to change, if changed, are dynamic menu, if unchanged,
For tableaux.Wherein N is natural number.Add view window brightness, chrominance information differentiates, can improve dynamic, tableaux differentiation
Accuracy.Brightness, colourity change to picture are compared, and can only obtain the brightness of current picture, colourity change, can not be complete
Differentiate that picture is dynamic or static.When brightness, colourity are the most unchanged, as each form is exchanged with each other, by adding form portion
Brightness, the colourity divided differentiate, can judge accurately dynamically and tableaux.The CPU of television set is dynamic, quiet based on obtain
State image information, sets different image quality parameters.Any the part phase with software set is differentiated according to the brightness obtained, chrominance information
Coupling, calls corresponding image quality parameter, is set image quality, make television set obtain preferably image quality.
It is noted that refer to Fig. 6, this TV function receives various signals, when the signal source that television set is play
During for TV, the signal of input can be decoded in " satisfy the need distribution decoder DeMux Descrambler ".If this TV
DTV supported by machine, then can be inputted extremely by the signal that obtain from " DeMux Descrambler " " digital video decoder Digital
Video Decode " in, and be decoded in " Digital Video Decode ", the data solved are passed to CPU
In.If DTV do not supported by this television set, then can transmit obtaining the information solved from " DeMux Descrambler " to CPU.
When the signal source that television set is play is video, component signal, the signal of input can transmit to " analog video solution
Code device Analog Video Capture ", it is decoded in " Analog Video Capture ", the information that then will solve
Transmit to CPU.
When the signal source that television set is play is HDMI, the signal of input can transmit to " HD video decoder HDMI
Video Capture ", it is decoded in " HDMI Video Capture ", then the information solved is transmitted to CPU
When the signal that signal is USB information source of television set input, the signal of input can transmit to " USB 2.0 ",
" USB 2.0 " is decoded, the information obtained is transmitted to CPU.
The information that CPU comes from each decoder transfers, obtains the brightness of picture, the relevant information of colourity.CPU is according to software
The algorithm set, carries out the brightness of acquisition, chrominance information computing in DDR, and judges it is dynamic menu or static picture
Face.Result of determination and the brightness of acquisition, the chrominance information of acquisition are combined, in " video drive by CPU according to software algorithm
Generation Video Processor " in be set image quality parameter, " Generation Video Processor " will
The image quality parameter set exports to display floater panel end, watches for client.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modify, all should belong to the covering scope of the present invention.
Claims (4)
1. one kind based on dynamically and the implementation method of tableaux adjustment image quality, it is characterised in that: by the CPU of television set
Obtain the brightness of picture, chrominance information, and in DDR with before the brightness of picture, chrominance information compare, then will be current
Picture divides form, and obtains the brightness of each form, chrominance information, with the brightness of the form of picture same position, colourity before
Information compares, and then differentiates it is tableaux or dynamic menu, and according to differentiating result, is set image quality parameter；
The acquisition of described monochrome information, comparison procedure are as follows: when there being signal to input, television set carries out signal detection, passes through
Read depositor, obtain picture brightness and always count and relevant picture brightness information；The brightness of picture is divided into n rank, obtains every
The monochrome information on rank, obtains the picture characteristics curve of current picture；Television set is set up according to this picture characteristics curve and is obtained picture
Histogram information, then the scope of this block diagram is carried out n decile, the brightness obtaining every rank is counted, and then calculates every rank
Brightness is counted and is accounted for the percentage ratio that picture is always counted, and by the same picture before of the percentage ratio counted of the brightness on the every rank calculated
Whether the percentage ratio that brightness is counted compares and changes, if had, is dynamic menu, without change, then carries out colourity
Relatively；
Described colourity obtains, the process that compares is as follows: when there being signal to input, television set carries out signal detection, is posted by reading
Storage, obtains picture chromenence and always counts and relevant picture chromenence information；The colourity of picture is divided into n rank, obtains the color on every rank
Degree information, obtains the Colour curve of current picture；And the scope of Colour curve is carried out n decile, obtain every rank
Colourity is counted, and then the colourity calculating every rank is counted and accounted for the percentage ratio that picture is always counted, the point of the colourity on the every rank then calculated
Whether the percentage ratio of number compares with the percentage ratio that the colourity of picture before is counted and changes, if had, is dynamic picture
Face, without change, then carries out form and compares.
It is the most according to claim 1 based on dynamic and the implementation method of tableaux adjustment image quality, it is characterised in that:
Described picture divides the comparison procedure of form as follows: television set is after obtaining current picture, by current picture in the horizontal direction
On be divided into N number of form, be divided into M form in vertical direction, the CPU of television set obtains the bright of each form of current picture
Degree, chrominance information, and in DDR, ibid the brightness of form of same position in a picture, chrominance information compare, and check
Whether changing, if changed, being dynamic menu, if unchanged, it would be tableaux.
It is the most according to claim 1 based on dynamic and the implementation method of tableaux adjustment image quality, it is characterised in that:
Described setting image quality parameter be according to obtain brightness, chrominance information differentiate with TV set software set which part phase
Join, and then call corresponding image quality parameter, image quality is set, make television set obtain preferably image quality.
It is the most according to claim 1 based on dynamic and the implementation method of tableaux adjustment image quality, it is characterised in that:
Described CPU obtains the brightness of picture, chrominance information is to obtain from the signal of the outside input of TV, is play including television set
Signal source is TV signal, video, component signal or USB source signal.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105141870A (en) * | 2015-07-30 | 2015-12-09 | Tcl海外电子（惠州）有限公司 | Television signal processing method and television signal processing device |
| 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 |
| CN106534942A (en) * | 2016-11-04 | 2017-03-22 | 微鲸科技有限公司 | Video image quality adjusting method and apparatus |
| CN106782431B (en) | 2017-03-10 | 2020-02-07 | Oppo广东移动通信有限公司 | Screen backlight brightness adjusting method and device 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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