CN106328095A - Grayscale extension adaptive enhancement method - Google Patents
Grayscale extension adaptive enhancement method Download PDFInfo
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/06—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour palettes, e.g. look-up tables
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
- G09G5/222—Control of the character-code memory
- G09G5/227—Resolution modifying circuits, e.g. variable screen formats, resolution change between memory contents and display screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/391—Resolution modifying circuits, e.g. variable screen formats
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Abstract
The invention discloses a grayscale extension adaptive enhancement method, which is characterized in that a grayscale extension adaptive enhancement hardware system comprises a display card, a decoding unit, an image identification unit, a grayscale correction unit X, a grayscale correction unit Y, a frame rate control unit X, a frame rate control unit Y, a coding unit and a display unit, wherein the decoding unit is connected with the display card, the image identification unit is connected with the decoding unit, the grayscale correction unit X and the grayscale correction unit Y are connected with the image identification unit, the frame rate control unit X is connected with the grayscale correction unit X, the frame rate control unit Y is connected with the grayscale correction unit Y, the coding unit is connected with the frame rate control unit X and the frame rate control unit Y, and the display unit is connected with the coding unit. According to the invention, a grayscale image can present 3*2<M+N> grayscales after being processed through the frame rate control unit Y so as to realize enhancement display for the grayscale image, and the frame rate control unit Y does not require to increase the area due to the large number of extended grayscales. The grayscale extension adaptive enhancement method can realize adaptive grayscale extension of a grayscale image, and enables display of the grayscale image to be more vivid and more exquisite.
Description
Technical field
The present invention relates to a kind of GTG extension self-adapting enhancement method, belong to medical image processing technical field.
Background technology
What color depth characterized is the quantity of digital image color, and its size determines the identification of image largely.
Showing field at medical image, color depth is even more important, because can it be related to find accurately focus, reduces the possibility of mistaken diagnosis
Property.
Medical image display device uses frame per second control technology to realize GTG extension, to improve color depth mostly.Owing to it is former
Reason limits, and the grey exponent number that frame per second control technology can extend is limited, and the most more advanced professional medical display bit wide can
To reach 16, i.e. display possesses display 216Plant the ability of GTG, but when improving display bit wide further because of frame per second
It is difficult to process in control technology time domain and spatial domain, and causes the appearance of the situation such as splashette, noise.
The image having significant proportion in medical image is gray scale image, due to the numerical value phase of gray scale image red green blue tricolor
With, this characteristic can be utilized to reduce frame per second and to control the intractability in technology space territory, to strengthen the performance of GTG extension.
Summary of the invention
The technical problem to be solved is the defect overcoming prior art, it is provided that a kind of GTG extension self adaptation increases
Strong method, it is achieved to coloured image and the discriminating of gray scale image, control technology by frame per second and it is carried out GTG extension respectively, and
Further enhance the display effect of gray scale image.
For solving above-mentioned technical problem, the present invention provides a kind of GTG extension self-adapting enhancement method, comprises the following steps:
1) build GTG extension self adaptation and strengthen hardware system, including video card, be connected with video card for the decoding list of video decoding
Unit, the image authentication unit for differentiating colour, gray scale image being connected with decoding unit, the use being connected with image authentication unit
In the gray scale correction unit X and gray scale correction unit Y of process luma data, it is connected for extending GTG with gray scale correction unit X
Frame per second control unit X, be connected frame per second control unit Y for extending GTG with gray scale correction unit Y, with frame per second control unit
X is connected with frame per second control unit Y for the coding unit of video signal coding, and the display unit being connected with coding unit；
2) signal that video card exports is decoded as the rgb signal that bit wide is M position by decoding unit, and wherein R, G, B are respectively M position, and M is
The bit wide of video card, the number of colors that can present is 23*MKind；
3) image authentication unit receives the rgb signal of M position of decoding unit, and judges to work as according to the value of R, G, B is the most equal
Forefoot area is coloured image or gray scale image, equal is then gray scale image, and not waiting be then coloured image, and output receives
The rgb signal of M position is to gray scale correction unit, and output image group indication signal is to coding unit simultaneously；If judging it is cromogram
As then output rgb signal works to gray scale correction unit X, gray scale correction unit X and frame per second control unit X, gray scale correction unit Y
It is waited for frame per second control unit Y, enters step 4)；If judging it is gray scale image, export rgb signal to GTG school
Positive unit Y, gray scale correction unit Y and the work of frame per second control unit Y, gray scale correction unit X and frame per second control unit X are in wait
State, enters step 6)；
4) rgb signal of M position is corrected by gray scale correction unit X, i.e. gray scale correction unit X output of tabling look-up inside circuit meets
The rgb signal required, carry-out bit a width of M+N position, wherein R, G, B are respectively M+N position, and N is the bit wide needing extension, enters step
5)；
5) frame per second control unit X processes coloured image, owing to input signal R, G, B value are unequal, it is assumed that high K position be respectively a,
B, c, low M+N-K position is respectively d, e, f, therefore output signal R, G, B value respectively at a, b, c and a+1, b+1, c+1 with frame per second
Constantly variation, then can present 23*(M+N)Plant color, the output expression 2 of frame per second control unit X3*(M+N)Plant the R of color, G, B data, its
Bit wide is K, and wherein, K is the bit wide of display unit, enters step 8)；
6) rgb signal of M position is corrected by gray scale correction unit Y, i.e. gray scale correction unit Y output of tabling look-up inside circuit meets
The rgb signal required, carry-out bit a width of M+N+2 position, wherein R, G, B are respectively M+N+2 position, and R, G, B are after gray scale correction unit Y
It is respectively arranged with 3*2M+NIndividual value, enters step 7)；
7) frame per second control unit Y processes gray scale image, it is assumed that input signal R, G, B height K position are c, and low M+N+2-K position is f,
Output signal R, the value of G, B are any one (c, c, c), (c+1, c, c), (c+1, c+1, c), (c+1, c+1, c in following four
+ 1), and constantly change according to the value of f in spatial domain and time domain, then can present 3*2M+NPlanting GTG, frame per second control unit Y is defeated
Go out to represent 3*2M+NPlanting the R of GTG, G, B data, its bit wide is also K, enters step 8)；
8) the image group indication signal that coding unit produces according to image authentication unit, to from frame per second control unit X and frame
The RGB data of rate control unit Y carries out gating output, if image is coloured image, then selects the RGB letter of frame per second control unit X
Number, if gray scale image, then selecting the rgb signal of control unit Y, the signal after output coding shows to display unit simultaneously
Show.
The beneficial effect that the present invention is reached:
Present invention frame per second control unit when processing gray scale image can make GTG extend in the case of requisite space region is constant
Quantity increases twice, so that gray scale image shows finer and smoother.Exactly because the most also area of space is constant, the present invention's can be real
Existing property is preferable, will not produce the abnormal conditions such as splashette, noise.
Accompanying drawing explanation
Fig. 1 is the hardware architecture diagram of the GTG extension self adaptation enhancing of the present invention；
Fig. 2 is the gray scale image sub-pixel processing mode schematic diagram of frame per second control unit X；
Fig. 3 is the gray scale image sub-pixel processing mode schematic diagram of frame per second control unit Y.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Following example are only used for clearly illustrating the present invention
Technical scheme, and can not limit the scope of the invention with this.
As it is shown in figure 1, present invention firstly provides the hardware system that a kind of GTG extension self adaptation strengthens, including video card and
Video card be connected for video decoding decoding unit, be connected with decoding unit for differentiate colour, gray scale image image reflect
Other unit, is connected with image authentication unit for the gray scale correction unit X processing luma data, is connected with gray scale correction unit X
For extending frame per second control unit X of GTG, be connected the gray scale correction unit for processing luma data with image authentication unit
Y, being connected with gray scale correction unit Y controls single for extending frame per second control unit Y of GTG and frame per second control unit X and frame per second
Unit Y is connected for the coding unit of video signal coding and the display unit that is connected with coding unit.
The GTG extension self-adapting enhancement method of the present invention, comprises the following steps:
The first step: the signal that video card exports is decoded as the rgb signal that bit wide is M position by decoding unit, and wherein R, G, B are respectively M position,
M is the bit wide of video card.
Second step: image authentication unit receives the M position RGB data of decoding unit, and the value according to R, G, B is the most equal next
Judging that current region is coloured image or gray scale image, equal is then gray scale image, and not waiting is then coloured image, then exports
The rgb signal received is to corresponding gray scale correction unit, and output image group indication signal is to coding unit simultaneously.If judging
It is that coloured image then exports rgb signal to gray scale correction unit X, gray scale correction unit X and the work of frame per second control unit X, GTG
Correction unit Y and frame per second control unit Y are waited for, and enter the 3rd step；If judging it is gray scale image, export rgb signal
Work to gray scale correction unit Y, gray scale correction unit Y and frame per second control unit Y, gray scale correction unit X and frame per second control unit X
It is waited for, enters the 5th step, reduce the purpose of circuit power consumption with this.
3rd step: the rgb signal of M position is corrected by gray scale correction unit X, i.e. gray scale correction unit X are looked into inside circuit
Table output meets the rgb signal of target call, carry-out bit a width of M+N position, and wherein R, G, B are respectively M+N position, and N is to need extension
Bit wide, enters the 4th step.
4th step: frame per second control unit X is when processing coloured image, and due to input signal R, G, B value is unequal (assumes
High K position is respectively a, b, c, and low M+N-K position is respectively d, e, f), therefore output signal R, G, B value respectively a, b, c and a+1,
B+1, c+1 constantly change with frame per second.Owing to frame per second control technology is the most ripe and extensively applies, frame is the most only described as a example by R
Rate Fluctuation: spatial domain aspect, 2M+N-KIn the spatial dimension of individual pixel, R sub-pixel value be the quantity of a+1 be d, take
The quantity that value is a is 2M+N-K-d, and at spatial domain random distribution；Time domain aspect is 2M+N-KIn two field picture, each R picture
Element value has d frame value to be a+1, has 2M+N-K-d frame value is a, and at time domain random distribution.Utilize the inertia of human eye, can be in
Existing number of colours is by 23*MBecome 23*(M+N), then the output of frame per second control unit X can represent 23*(M+N)Plant the R of color, G, B data,
Its bit wide is K, and wherein, K is the bit wide of display unit, enters the 7th step.
5th step: the rgb signal of M position is corrected by gray scale correction unit Y, i.e. gray scale correction unit Y are looked into inside circuit
Table output meets the rgb signal of target call, carry-out bit a width of M+N+2 position, and wherein R, G, B are respectively M+N+2 position, and R, G, B pass through
It is respectively arranged with 3*2 after gray scale correction unit YM+NIndividual value, enters the 6th step.
6th step: (owing to gray scale image RGB value is identical, it is assumed that input letter during frame per second control unit Y process gray scale image
Number R, G, B height K position is c, and low M+N+2-K position is f), therefore can represent more expansible ash owing to low level bit wide is wider
Rank, are therefore also required to more RGB output valued combinations to represent these GTGs.Output signal R, the value of G, B can be following
In four kinds any one (c, c, c), (c+1, c, c), (c+1, c+1, c), (c+1, c+1, c+1), and at spatial domain and time domain root
Constantly changing according to the value of f, Fluctuation is similar with frame per second control unit X to be repeated no more, then can present 3*2M+NPlant GTG, frame
The output of rate control unit Y can represent 3*2M+NPlanting the R of GTG, G, B data, its bit wide is also K.And how to assume to use frame per second
The process of control unit X, output signal R, G, B value can only be all c or c+1, and change with frame per second, then can present 2M+NPlant GTG
Though (frame per second control unit X can produce 23*(M+N)Plant color, but when only RGB is equal, image is just rendered as GTG, therefore 2 can be presentedM +NPlant GTG), show so using frame per second control unit Y process gray scale image to achieve the enhancing to gray scale image, and frame per second
Control unit Y need to not increase region because extension ash exponent number is many；After completing, enter the 7th step.
7th step: the image group indication signal that coding unit produces according to image authentication unit, to from frame per second control
The RGB data of unit X and frame per second control unit Y carries out gating output, if image is coloured image, then selects frame per second control unit
The rgb signal of X, if gray scale image, then selects the rgb signal of control unit Y, and the signal after output coding is single to display simultaneously
Unit shows.
The present invention is applicable to greyscale display, is also applied for color display.
Being output as M=8 position with video card below, the bit wide of extension is N=4 position, and display unit is detailed description as a example by K=8 position.
Video card output color depth is the video signal of 8, exports rgb signal after decoded unit, and wherein R, G, B signal are respectively
8.
Image authentication unit receives 8 RGB data of decoding unit, and judges to work as according to the value of R, G, B is the most equal
Forefoot area is coloured image or gray scale image, equal for gray scale image, then output rgb signal is to gray scale correction unit Y,
For coloured image, then output rgb signal is to gray scale correction unit X.Output image group indication signal is to coding unit simultaneously.
The rgb signal of 8 corrects by gray scale correction unit X and gray scale correction unit Y, wherein gray scale correction unit X
A width of 12 of carry-out bit, a width of 14 of the carry-out bit of gray scale correction unit Y, R, G, B are respectively arranged with 3*2 after gray scale correction unit Y12
Individual value.
The output of frame per second control unit X can represent 23*12Planting the R of color, G, B data, its bit wide is 8, frame per second control unit
Y output can represent 3*212Planting the R of GTG, G, B data, its bit wide is also 8.
Due to N=4, therefore GTG extension desired zone size is 24=16 pixels, when processing gray scale image, if RGB
Most-significant byte is all constant c, frame per second control unit X sub-pixel control mode at a time as shown in Figure 2 (the most only for contrast,
Actual gray image is frame per second control unit Y process, and now frame per second control unit X is waited for), shadow region value is
C+1, other region is c, and the GTG that human eye is seen is c+1/16, and be easy to get expansible 16 kinds of GTGs (bag between GTG c and c+1
Include c+2/16, c+3/16, c+4/16 etc.)；Frame per second control unit Y sub-pixel control mode at a time is as it is shown on figure 3, people
The GTG arrived soon is c+1/48, and be easy to get expansible 48 kinds of GTGs between GTG c and c+1, and expansible ash exponent number becomes 3 times,
Thus realize the enhancing of gray scale image is shown.
Frame per second control unit X is when processing coloured image, and due to input signal R, G, B value is unequal (assumes that most-significant byte divides
Not Wei a, b, c), therefore the value of R, G, B constantly changes with frame per second at a, b, c and a+1, b+1, c+1 respectively, R, G, B respectively a,
B, c and a+1, each expansible 16 kinds of colors between b+1, c+1.
The image group indication signal that coding unit produces according to image authentication unit, to from frame per second control unit X and
The RGB data of frame per second control unit Y carries out gating output, if image is coloured image, then selects the RGB of frame per second control unit X
Signal, if gray scale image, then selects the rgb signal of control unit Y, and the signal after output coding is carried out to display unit simultaneously
Display.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and deformation, these improve and deformation
Also should be regarded as protection scope of the present invention.
Claims (1)
1. a GTG extension self-adapting enhancement method, it is characterised in that comprise the following steps:
1) build GTG extension self adaptation and strengthen hardware system, including video card, be connected with video card for the decoding list of video decoding
Unit, the image authentication unit for differentiating colour, gray scale image being connected with decoding unit, the use being connected with image authentication unit
In the gray scale correction unit X and gray scale correction unit Y of process luma data, it is connected for extending GTG with gray scale correction unit X
Frame per second control unit X, be connected frame per second control unit Y for extending GTG with gray scale correction unit Y, with frame per second control unit
X is connected with frame per second control unit Y for the coding unit of video signal coding, and the display unit being connected with coding unit；
2) signal that video card exports is decoded as the rgb signal that bit wide is M position by decoding unit, and wherein R, G, B are respectively M position, and M is
The bit wide of video card, the number of colors that can present is 23*MKind；
3) image authentication unit receives the rgb signal of M position of decoding unit, and judges to work as according to the value of R, G, B is the most equal
Forefoot area is coloured image or gray scale image, equal is then gray scale image, and not waiting be then coloured image, and output receives
The rgb signal of M position is to gray scale correction unit, and output image group indication signal is to coding unit simultaneously；If judging it is cromogram
As then output rgb signal works to gray scale correction unit X, gray scale correction unit X and frame per second control unit X, gray scale correction unit Y
It is waited for frame per second control unit Y, enters step 4)；If judging it is gray scale image, export rgb signal to GTG school
Positive unit Y, gray scale correction unit Y and the work of frame per second control unit Y, gray scale correction unit X and frame per second control unit X are in wait
State, enters step 6)；
4) rgb signal of M position is corrected by gray scale correction unit X, i.e. gray scale correction unit X output of tabling look-up inside circuit meets
The rgb signal required, carry-out bit a width of M+N position, wherein R, G, B are respectively M+N position, and N is the bit wide needing extension, enters step
5)；
5) frame per second control unit X processes coloured image, owing to input signal R, G, B value are unequal, it is assumed that high K position be respectively a,
B, c, low M+N-K position is respectively d, e, f, therefore output signal R, G, B value respectively at a, b, c and a+1, b+1, c+1 with frame per second
Constantly variation, then can present 23*(M+N)Plant color, the output expression 2 of frame per second control unit X3*(M+N)Plant the R of color, G, B data, its
Bit wide is K, and wherein, K is the bit wide of display unit, enters step 8)；
6) rgb signal of M position is corrected by gray scale correction unit Y, i.e. gray scale correction unit Y output of tabling look-up inside circuit meets
The rgb signal required, carry-out bit a width of M+N+2 position, wherein R, G, B are respectively M+N+2 position, and R, G, B are after gray scale correction unit Y
It is respectively arranged with 3*2M+NIndividual value, enters step 7)；
7) frame per second control unit Y processes gray scale image, it is assumed that input signal R, G, B height K position are c, and low M+N+2-K position is f,
Output signal R, the value of G, B are any one (c, c, c), (c+1, c, c), (c+1, c+1, c), (c+1, c+1, c in following four
+ 1), and constantly change according to the value of f in spatial domain and time domain, then can present 3*2M+NPlanting GTG, frame per second control unit Y is defeated
Go out to represent 3*2M+NPlanting the R of GTG, G, B data, its bit wide is also K, enters step 8)；
8) the image group indication signal that coding unit produces according to image authentication unit, to from frame per second control unit X and frame
The RGB data of rate control unit Y carries out gating output, if image is coloured image, then selects the RGB letter of frame per second control unit X
Number, if gray scale image, then selecting the rgb signal of control unit Y, the signal after output coding shows to display unit simultaneously
Show.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109891486A (en) * | 2017-09-12 | 2019-06-14 | 索尼公司 | Display device and signal processing apparatus |
| CN109994080A (en) * | 2017-12-29 | 2019-07-09 | 深圳市巨烽显示科技有限公司 | Ultra-wide degree grayscale display methods and device |
| CN111093042A (en) * | 2019-12-27 | 2020-05-01 | Tcl华星光电技术有限公司 | White balance adjustment system and white balance adjustment method |
| CN111739614A (en) * | 2019-03-25 | 2020-10-02 | 西门子医疗有限公司 | Medical image enhancement |
| CN113242465A (en) * | 2021-04-27 | 2021-08-10 | Oppo广东移动通信有限公司 | Video processing method and device, electronic equipment and readable storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080001168A (en) * | 2006-06-29 | 2008-01-03 | 엘지.필립스 엘시디 주식회사 | Flat panel display and method of controlling picture quality thereof |
| US20080304568A1 (en) * | 2007-06-11 | 2008-12-11 | Himax Technologies Limited | Method for motion-compensated frame rate up-conversion |
| CN101599244A (en) * | 2008-06-04 | 2009-12-09 | 乐金显示有限公司 | The video display devices of energy compensating for display defects |
| CN103165061A (en) * | 2011-12-13 | 2013-06-19 | 联咏科技股份有限公司 | Image dithering module |
| CN103177702A (en) * | 2013-03-04 | 2013-06-26 | 南京巨鲨显示科技有限公司 | Display with grayscale expansion function and method thereof |
| CN105513558A (en) * | 2015-09-26 | 2016-04-20 | 南京巨鲨显示科技有限公司 | Superhigh bit width image enhancement display device and method for medical professional display |
-
2016
- 2016-08-31 CN CN201610799846.5A patent/CN106328095B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080001168A (en) * | 2006-06-29 | 2008-01-03 | 엘지.필립스 엘시디 주식회사 | Flat panel display and method of controlling picture quality thereof |
| US20080304568A1 (en) * | 2007-06-11 | 2008-12-11 | Himax Technologies Limited | Method for motion-compensated frame rate up-conversion |
| CN101599244A (en) * | 2008-06-04 | 2009-12-09 | 乐金显示有限公司 | The video display devices of energy compensating for display defects |
| CN103165061A (en) * | 2011-12-13 | 2013-06-19 | 联咏科技股份有限公司 | Image dithering module |
| CN103177702A (en) * | 2013-03-04 | 2013-06-26 | 南京巨鲨显示科技有限公司 | Display with grayscale expansion function and method thereof |
| CN105513558A (en) * | 2015-09-26 | 2016-04-20 | 南京巨鲨显示科技有限公司 | Superhigh bit width image enhancement display device and method for medical professional display |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109891486A (en) * | 2017-09-12 | 2019-06-14 | 索尼公司 | Display device and signal processing apparatus |
| US11621301B2 (en) | 2017-09-12 | 2023-04-04 | Saturn Licensing Llc | Display device and signal processing device |
| CN109994080A (en) * | 2017-12-29 | 2019-07-09 | 深圳市巨烽显示科技有限公司 | Ultra-wide degree grayscale display methods and device |
| CN109994080B (en) * | 2017-12-29 | 2021-07-09 | 深圳市巨烽显示科技有限公司 | Super-width gray scale display method and device |
| CN111739614A (en) * | 2019-03-25 | 2020-10-02 | 西门子医疗有限公司 | Medical image enhancement |
| CN111739614B (en) * | 2019-03-25 | 2024-06-04 | 西门子医疗有限公司 | Medical image enhancement |
| CN111093042A (en) * | 2019-12-27 | 2020-05-01 | Tcl华星光电技术有限公司 | White balance adjustment system and white balance adjustment method |
| CN111093042B (en) * | 2019-12-27 | 2022-02-22 | Tcl华星光电技术有限公司 | White balance adjustment system and white balance adjustment method |
| CN113242465A (en) * | 2021-04-27 | 2021-08-10 | Oppo广东移动通信有限公司 | Video processing method and device, electronic equipment and readable storage medium |
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