CN101677407B - Colour coordination method and related device thereof used in display device - Google Patents
Colour coordination method and related device thereof used in display device Download PDFInfo
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- CN101677407B CN101677407B CN2008101656544A CN200810165654A CN101677407B CN 101677407 B CN101677407 B CN 101677407B CN 2008101656544 A CN2008101656544 A CN 2008101656544A CN 200810165654 A CN200810165654 A CN 200810165654A CN 101677407 B CN101677407 B CN 101677407B
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Abstract
The invention relates to a colour coordination method and related device thereof used in display device. The colour coordination method includes receiving a mixed video signal, wherein the mixed video signal contains a first chroma signal and a first luminance signal; generating a hue signal and a saturation signal according to the first chroma signal at least; respectively generating a luminance gain parameter, a saturation gain parameter and a hue shift parameter according to the chroma signal and the saturation signal; adjusting the first luminance signal according to the luminance gain parameter to generating a second luminance signal; and adjusting the first chroma signal according to a mixing parameter and the hue shift parameter to generate a second chroma signal. In the method, the luminance gain parameter is generated by noise suppression, and the mixed video signal is avoided to be interfered by noise at low saturation level.
Description
Technical field
The present invention relates to a kind of method and relevant apparatus thereof that a display unit is adjusted color that be used for, relate in particular to a kind of form and aspect (Hue), saturation (Saturation) and intensity (Intensity), and then adjust the method and the relevant apparatus thereof of this mixed video signal by adjusting a mixed video signal respectively.
Background technology
Along with the progress of communication and Display Technique, people can watch film and the TV programme oneself liked by image playing device such as television set or computer, and are simultaneously, also more and more higher for the requirement of picture quality.Therefore, the color adjustment technology that is used for display also develops towards the direction of easy operating and accurately toning.
The light of the distinguishable Red Green Blue of human eye, display only need be exported red, blue, the green tristimulus signal of a picture, and promptly picture signal R/G/B can obtain near real picture quality.Except picture signal R/G/B, picture signal Y/I/Q or Y/U/V that the colourcast system is commonly used, the picture signal C/M/Y/K that printing industry is used, the picture signal Y/Cb/Cr that digital signal is used etc. are all common color space (Color Space) form.In order to save frequency range and to meet compatibility, known colourcast system is the direct image three-colo(u)r signal R/G/B of transmitted image picture not, mixes (Composite) signal but transmit.So-called " mixings " is to refer to brightness (Luminance) signal is mixed in transmission with chroma (Chrominance) signal, being compatible to black and white and vitascan, and the saving frequency range.For instance, Y is a luminance signal among the picture signal Y/Cb/Cr, and Cb/Cr is a chroma signals.
Please refer to Fig. 1, Fig. 1 is the schematic diagram in a color space.In Fig. 1, color space is with red/green/indigo plant/green grass or young crops/fuchsin/Huang totally six signs.Promptly according to the magnitude relationship of picture signal R/G/B in the color of desire adjustment, which zone the decision color drops on to known one or six technology of mix colors, then adjusts respectively.Six technology of mix colors can accurately be mixed colours, but concerning the user intuition more not, not easy to operate.
Another known color adjustment technology then is a look-up table (Look-up Table) of setting up a two dimension, storing the pairing gain of each chroma signals, and adjusts the chroma of each color according to this.Yet above-mentioned technology of mix colors only can independently be adjusted the form and aspect (Hue) and the saturation (Saturation) of color, can't adjust the intensity (Intensity) of color.Therefore, if above-mentioned technology of mix colors is applied in the display, the user can't independently adjust the contrast of display frame.
Summary of the invention
Therefore, main purpose of the present invention promptly is to provide a kind of method and relevant apparatus thereof that a display unit is adjusted color that be used for.
The present invention discloses a kind of method that a display unit is adjusted color that is used for, and includes to receive a mixed video signal, and this mixed video signal comprises one first chroma signals and one first luminance signal; At least according to this first chroma signals, produce a phase signals of the same colour and a saturation signal; According to this form and aspect signal and this saturation signal, produce an intensity gain parameter; According to this form and aspect signal, produce a saturation gain parameter; According to this form and aspect signal, produce a hue shift parameter; According to this intensity gain parameter, this first luminance signal is adjusted, to produce one second luminance signal; And according to a hybrid parameter and this hue shift parameter, this first chroma signals is adjusted, to produce one second chroma signals, wherein, this hybrid parameter produces according to this saturation gain parameter.
The present invention discloses a kind of color adjusting device that is used for a display unit in addition, includes a receiving terminal, a signal generation unit, an intensity corresponding unit, a saturation corresponding unit, corresponding unit of the same colour, a luminance signal processing unit and a chroma signals processing unit.This receiving terminal is used for receiving a mixed video signal, and this mixed video signal comprises one first chroma signals and one first luminance signal.This signal generation unit is coupled to this receiving terminal, is used at least producing a phase signals of the same colour and a saturation signal according to this first chroma signals.This intensity corresponding unit is coupled to this signal generation unit, is used for producing an intensity gain parameter according to this form and aspect signal and this saturation signal.This saturation corresponding unit is coupled to this signal generation unit, is used for producing a saturation gain parameter according to this form and aspect signal.This form and aspect corresponding unit is coupled to this signal generation unit, is used for producing a hue shift parameter according to this form and aspect signal.This luminance signal processing unit is coupled to this receiving terminal and this intensity corresponding unit, is used for according to this intensity gain parameter this first luminance signal being adjusted, to produce one second luminance signal.This chroma signals processing unit is coupled to this receiving terminal, this saturation corresponding unit and this form and aspect corresponding unit, be used for according to a hybrid parameter and this hue shift parameter, this first chroma signals is adjusted, to produce one second chroma signals, wherein, this hybrid parameter produces according to this saturation gain parameter.
Description of drawings
Fig. 1 is the schematic diagram in a color space.
Fig. 2 and Fig. 9 are the schematic diagram of embodiment of the invention color adjusting device.
Fig. 3 be among Fig. 2 saturation signal to the schematic diagram of gain signal.
Fig. 4 is the schematic diagram of initial strength corresponding unit among Fig. 2, saturation corresponding unit and form and aspect corresponding unit.
Fig. 5 is the schematic diagram of embodiment of the invention relative intensity look-up table of the same colour.
Fig. 6 is the schematic diagram of embodiment of the invention relative saturation degree of the same colour look-up table.
Fig. 7 is the schematic diagram of the embodiment of the invention relative form and aspect look-up table of the same colour.
Fig. 8 is the schematic diagram of alternate embodiment of the chroma signals processing unit of Fig. 2.
Figure 10 is the schematic diagram of the embodiment of the invention one flow process.
[main element symbol description]
20,30 color adjusting devices
200 receiving terminals
202 signal generation units
204 intensity corresponding units
206 saturation corresponding units
208 form and aspect corresponding units
210 luminance signal processing units
212,218 chroma signals processing units
214 form and aspect adjustment units
216,224,300 multipliers
220 initial strength corresponding units
222 noise suppression unit
230,232,234 interpolative operation unit
LUT1, LUT2, LUT3 look-up table
C1, C2 chroma signals
Y1, Y2 luminance signal
H form and aspect signal
The S saturation signal
The Wg gain signal
Ca, Cm output signal
Ii initial strength gain parameter
Ia intensity gain parameter
Sa saturation gain parameter
Ha hue shift parameter
The M hybrid parameter
40 flow processs
400,402,404,406,408,410,412,414,416,418 steps
Embodiment
Please refer to Fig. 2, Fig. 2 is the schematic diagram of embodiment of the invention caidiao opera engagement positions 20 of the same colour.Color adjusting device 20 is used for a display unit and sets with the color of adjusting display unit.This note that since the chrominance signal of H/S/I form concerning human eye, than Y/Cb/Cr or R/G/B form intuition more, so the embodiment of the invention adjusts the H/S/I of chrominance signal respectively, sets to obtain optimized color.
H＝arctan(Cb/Cr)
S＝sqrt(Cr*Cr+Cb*Cb)
In addition, form and aspect signal H and saturation signal S also can be calculated and be got by chroma signals C1 and brightness signal Y 1 mixing.For instance, signal generation unit 202 is converted to chroma signals C1 and brightness signal Y 1 signal of R/G/B form earlier, and conversion produces form and aspect signal H and saturation signal S again.
Intensity corresponding unit 204, saturation corresponding unit 206 and form and aspect corresponding unit 208 all are coupled to signal generation unit 202, be used for according to form and aspect signal H and saturation signal S, produce an intensity gain parameter I a, a saturation gain parameter Sa and a hue shift Parameter H a respectively, to adjust intensity, saturation and the form and aspect of chroma signals C1.Intensity gain parameter I a represents the necessary controlled intensity gain of chroma signals C1; Saturation gain parameter Sa represents that chroma signals C1 must controlled saturation gain; Hue shift Parameter H a is a deviation angle, the angle that expression form and aspect signal H must be corrected.
When the saturation of the mixed video signal that receives when display unit was very low, the intensity of mixed video signal was easy to affected by noise.It should be noted that the intensity gain parameter I a that is produced by intensity corresponding unit 204 is a signal through the noise suppressed processing.As shown in Figure 2, intensity corresponding unit 204 is different with saturation corresponding unit 206 or form and aspect corresponding unit 208, and it includes an initial strength corresponding unit 220, a noise suppression unit 222 and a multiplier 224.Initial strength corresponding unit 220 is coupled to signal generation unit 202, is used for according to form and aspect signal H, produces an initial strength gain parameter Ii.Noise suppression unit 222 is used for according to saturation signal S, produces a gain signal Wg.Multiplier 224 is coupled to initial strength corresponding unit 220 and noise suppression unit 222, is used for according to gain signal Wg, initial strength gain parameter Ii is carried out noise suppressed handle, to produce intensity gain parameter I a.
Relation about saturation signal S and gain signal Wg please refer to Fig. 3.As shown in Figure 3, as saturation signal S during less than a critical value Sth, gain signal Wg can compensate initial strength gain parameter Ii with the opposing noise jamming.As saturation signal S during greater than critical value Sth, the intensity of mixed video signal is enough resisted noise jamming, so gain signal Wg stops to increase.It should be noted that intensity corresponding unit 204 is one embodiment of the invention, allly can produce gain signal Wg, and adjust the unit of initial strength gain parameter Ii, all should be covered by in the category that the present invention protects according to gain signal Wg according to saturation signal S.
In addition, initial strength corresponding unit 220, saturation corresponding unit 206 and form and aspect corresponding unit 208 fortune produce parameter in a like fashion respectively.Please refer to Fig. 4, Fig. 4 is the schematic diagram of initial strength corresponding unit 220, saturation corresponding unit 206 and the form and aspect corresponding unit 208 of Fig. 2.Initial strength corresponding unit 220 includes a look-up table LUT1 and an interpolative operation unit 230.Look-up table LUT1 is used for storing a plurality of intensity gain parameters, and interpolative operation unit 230 is used for according to a plurality of intensity gain parameters, and the phase signals of checking colors H carries out interpolative operation, to produce initial strength gain parameter Ii.Similarly, saturation corresponding unit 206 includes a look-up table LUT2 (storing a plurality of saturation gain parameters) and an interpolative operation unit 232; Form and aspect corresponding unit 208 includes a look-up table LUT3 (storing a plurality of hue shift parameters) and an interpolative operation unit 234.The function mode of saturation corresponding unit 206 and form and aspect corresponding unit 208 is identical with initial strength corresponding unit 220, repeats no more.If the quantity of each look-up table institute stored parameters is enough, display unit also can not carried out interpolative operation, directly selects corresponding parameters.
Embodiment about look-up table LUT1, LUT2 and LUT3 please refer to Fig. 5 to Fig. 7.Fig. 5 to Fig. 7 is the schematic diagram of embodiment of the invention relative intensity of the same colour (Hue-Intensity) look-up table, relative saturation degree (Hue-Saturation) look-up table of the same colour and relative form and aspect of the same colour (Hue-Hue) look-up table in regular turn.With Fig. 5 is example, and the maximum of supposing the intensity gain parameter is 200%, and minimum value is 0%, and when form and aspect signal H represents blueness (A point in as figure), initial strength gain parameter Ii is about 125%; As form and aspect signal H during away from blueness, gain becomes 100%, does not promptly change.
After intensity gain parameter I a, saturation gain parameter Sa and hue shift Parameter H a generation, display unit can be in order to adjust intensity, saturation and the form and aspect of brightness signal Y 1 and chroma signals C1.Luminance signal processing unit 210 is coupled to receiving terminal 200 and intensity corresponding unit 204, is used for according to intensity gain parameter I a brightness signal Y 1 being adjusted, to produce a brightness signal Y 2.In Fig. 2, luminance signal processing unit 210 is realized with a multiplier.In other embodiments of the invention, luminance signal processing unit 210 can be other according to intensity gain parameter I a, the device that brightness signal Y 1 is adjusted.In addition, chroma signals processing unit 212 is according to a hybrid parameter M and hue shift Parameter H a, and C1 adjusts to chroma signals, to produce a chroma signals C2.In Fig. 2, chroma signals processing unit 212 includes a form and aspect adjustment unit 214 and a multiplier 216.Form and aspect adjustment unit 214 is coupled to receiving terminal 200 and form and aspect corresponding unit 208, is used for chroma signals C1 and the formed spin matrix of hue shift Parameter H a are multiplied each other, to produce an output signal Ca.Multiplier 216 is coupled to form and aspect adjustment unit 214 and saturation corresponding unit 206, is used for output signal Ca and hybrid parameter M are multiplied each other, to produce chroma signals C2.
Even the relation that couples between form and aspect adjustment unit 214 and multiplier 216 and other unit of it should be noted that changes to some extent, also can produce chroma signals C2.Please refer to Fig. 8, Fig. 8 is the schematic diagram of the embodiment of the invention one chroma signals processing unit 218.In chroma signals processing unit 218, multiplier 216 is coupled to receiving terminal 200 and saturation corresponding unit 206, and form and aspect adjustment unit 214 is coupled to multiplier 216 and form and aspect corresponding unit 208.Multiplier 216 multiplies each other chroma signals C1 and hybrid parameter M and produces an output signal Cm, and then, form and aspect adjustment unit 214 multiplies each other output signal Cm and the formed spin matrix of hue shift Parameter H a again, generation chroma signals C2.
In Fig. 2, hybrid parameter M is equal to saturation gain parameter Sa.In other words, chroma signals C1 can adjust according to intensity gain parameter I a except adjusting according to saturation gain parameter Sa again.Please refer to Fig. 9, Fig. 9 is the schematic diagram of embodiment of the invention caidiao opera engagement positions 30 of the same colour.The element of color adjusting device 30 and running all are similar to the color adjusting device 20 of Fig. 2, and different is that color adjusting device 30 includes a multiplier 300 than color adjusting device more than 20.In Fig. 9, multiplier 300 is coupled to intensity corresponding unit 204, saturation corresponding unit 206 and chroma signals processing unit 212, be used for saturation gain parameter Sa and intensity gain parameter I a are multiplied each other, to produce hybrid parameter M to chroma signals processing unit 212.Thus, chroma signals C1 can adjust according to intensity gain parameter I a except adjusting according to saturation gain parameter Sa again.
As from the foregoing, display unit can be by the color adjusting device of the embodiment of the invention, receive chroma signals C1 and brightness signal Y 1, produce form and aspect signal H and saturation signal S according to chroma signals C1, and adjust form and aspect, saturation and the intensity of chroma signals C1 according to this respectively, and then produce chroma signals C2 and brightness signal Y 2.Simultaneously, the gain signal Wg that color adjusting device is produced according to saturation signal S adjusts brightness signal Y 1, therefore can reduce the interference of noise for the mixed video signal of low saturation effectively.In the adjustment respectively of the form and aspect of this main purpose that note that the embodiment of the invention by chroma signals C1, saturation, intensity, to adjust color.Other color space forms such as H/S/L or H/S/V signal all can be applicable in the embodiment of the invention.
In addition, the running of the color adjusting device 30 of Fig. 9 can realize according to a flow process 40.Please refer to Figure 10, Figure 10 is the schematic diagram of embodiment of the invention flow process 40.Flow process 40 comprises following steps:
Step 400: beginning.
Step 402: receiving terminal 200 receiver, video mixed signals, mixed video signal comprises chroma signals C1 and brightness signal Y 1.
Step 404: signal generation unit 202 produces form and aspect signal H and saturation signal S according to chroma signals C1.
Step 406: initial strength corresponding unit 220, saturation corresponding unit 206 and form and aspect corresponding unit 208 produce initial strength gain parameter Ii, saturation gain parameter Sa and hue shift Parameter H a respectively according to form and aspect signal H.
Step 408: noise suppression unit 222 produces gain signal Wg according to saturation signal S.
Step 410: multiplier 224 carries out noise suppressed to initial strength gain parameter Ii and handles according to gain signal Wg, to produce intensity gain parameter I a.
Step 412: luminance signal processing unit 210 is adjusted brightness signal Y 1 according to intensity gain parameter I a, to produce brightness signal Y 2.
Step 414: multiplier 300 produces hybrid parameter M according to saturation gain parameter Sa and intensity gain parameter I a.
Step 416: chroma signals processing unit 210 is according to hybrid parameter M and hue shift Parameter H a, and C1 adjusts to chroma signals, to produce chroma signals C2.
Step 418: output chroma signals C2 and brightness signal Y 2.
About the running and the alternate embodiment of each step in the flow process 40, with reference to the color adjusting device 20 of earlier figures 2 promptly as can be known, do not give unnecessary details at this.Flow process 40 is the operation workflow of color adjusting device 30, and its hybrid parameter M is the product of saturation gain parameter Sa and intensity gain parameter I a.If flow process 40 is applied to color adjusting device 20, then do not need the running of multiplier in the step 414, saturation gain parameter Sa directly is equal to hybrid parameter M.According to flow process 40, display unit can be adjusted color and set, and reduces the interference of noise for the mixed video signal of low saturation simultaneously effectively.
By as can be known preceding, known six technology of mix colors intuition more not concerning the user, not easy to operate.Known two-dimensional look-up table with chroma signals is adjusted the technology of color, only can independently adjust the form and aspect and the saturation of color, can't adjust the intensity of color, thereby can't independently adjust the contrast of display frame.In comparison, by the present invention, display unit produces form and aspect signal and saturation signal according to the chroma signals in the mixed video signal that is received, and adjust form and aspect, saturation and the intensity of chroma signals according to this respectively, and then adjust chroma signals and luminance signal.Thus, the user can independently adjust the contrast of display frame, makes the color of display frame and the requirement that contrast meets the user.
The above only is the preferred embodiments of the present invention, and all equalizations of doing according to claims of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (20)
1. one kind is used for the method that a display unit is adjusted color, includes:
Receive a mixed video signal, this mixed video signal comprises one first chroma signals and one first luminance signal;
At least according to this first chroma signals, produce a phase signals of the same colour and a saturation signal;
According to this form and aspect signal, produce an initial strength gain parameter;
According to this saturation signal, produce a gain signal; And
According to this gain signal, this initial strength gain parameter is carried out noise suppressed handle, to produce an intensity gain parameter;
According to this form and aspect signal, produce a saturation gain parameter;
According to this form and aspect signal, produce a hue shift parameter;
According to this intensity gain parameter, this first luminance signal is adjusted, to produce one second luminance signal; And
According to a hybrid parameter and this hue shift parameter, this first chroma signals is adjusted, to produce one second chroma signals, wherein, this hybrid parameter produces according to this saturation gain parameter.
2. the method for claim 1 wherein produces the step of this initial strength gain parameter according to this form and aspect signal, be according to a plurality of intensity gain parameters, this form and aspect signal is carried out interpolative operation, to produce this initial strength gain parameter.
3. the method for claim 1 wherein produces the step of this saturation gain parameter according to this form and aspect signal, be according to a plurality of saturation gain parameters, this form and aspect signal is carried out interpolative operation, to produce this saturation gain parameter.
4. the method for claim 1 wherein produces the step of this hue shift parameter according to this form and aspect signal, be according to a plurality of hue shift parameters, this form and aspect signal is carried out interpolative operation, to produce this hue shift parameter.
5. the method for claim 1 is wherein adjusted this first luminance signal according to this intensity gain parameter, to produce the step of this second luminance signal, is that this intensity gain parameter and this first luminance signal are multiplied each other, to produce this second luminance signal.
6. the method for claim 1 wherein according to this hybrid parameter and this hue shift parameter, is adjusted this first chroma signals, to produce the step of this second chroma signals, includes:
With this first chroma signals with multiply each other by the formed spin matrix of this hue shift parameter, to produce an output signal; And
This output signal and this hybrid parameter are multiplied each other, to produce this second chroma signals.
7. the method for claim 1 wherein according to this hybrid parameter and this hue shift parameter, is adjusted this first chroma signals, to produce the step of this second chroma signals, includes:
This first chroma signals and this hybrid parameter are multiplied each other, to produce an output signal; And
With this output signal with multiply each other by the formed spin matrix of this hue shift parameter, to produce this second chroma signals.
8. the method for claim 1, wherein this hybrid parameter is this saturation gain parameter.
9. the method for claim 1, wherein this hybrid parameter is the product of this saturation gain parameter and this intensity gain parameter.
10. the method for claim 1, wherein at least according to this first chroma signals, producing the step of this form and aspect signal and this saturation signal, is that this first chroma signals and this first luminance signal are mixed calculating, to produce this form and aspect signal and this saturation signal.
11. a color adjusting device that is used for a display unit includes:
One receiving terminal is used for receiving a mixed video signal, and this mixed video signal comprises one first chroma signals and one first luminance signal;
One signal generation unit is coupled to this receiving terminal, is used at least producing a phase signals of the same colour and a saturation signal according to this first chroma signals;
One intensity corresponding unit includes:
One initial strength corresponding unit is coupled to this signal generation unit, is used for producing an initial strength gain parameter according to this form and aspect signal;
One noise suppression unit is used for producing a gain signal according to this saturation signal; And
One multiplier is coupled to this initial strength corresponding unit and this noise suppression unit, is used for according to this gain signal, this initial strength gain parameter is carried out noise suppressed handle, to produce an intensity gain parameter;
One saturation corresponding unit is coupled to this signal generation unit, is used for producing a saturation gain parameter according to this form and aspect signal;
Corresponding unit of the same colour is coupled to this signal generation unit, is used for producing a hue shift parameter according to this form and aspect signal;
One luminance signal processing unit is coupled to this receiving terminal and this intensity corresponding unit, is used for according to this intensity gain parameter this first luminance signal being adjusted, to produce one second luminance signal; And
One chroma signals processing unit, be coupled to this receiving terminal, this saturation corresponding unit and this form and aspect corresponding unit, be used for according to a hybrid parameter and this hue shift parameter, this first chroma signals is adjusted, to produce one second chroma signals, wherein, this hybrid parameter produces according to this saturation gain parameter.
12. color adjusting device as claimed in claim 11, wherein this initial strength corresponding unit includes:
One look-up table is used for storing a plurality of intensity gain parameters; And
One interpolative operation unit is used for this form and aspect signal being carried out interpolative operation, to produce this initial strength gain parameter according to these a plurality of intensity gain parameters.
13. color adjusting device as claimed in claim 11, wherein this saturation corresponding unit includes:
One look-up table is used for storing a plurality of saturation gain parameters; And
One interpolative operation unit is used for this form and aspect signal being carried out interpolative operation, to produce this saturation gain parameter according to these a plurality of saturation gain parameters.
14. color adjusting device as claimed in claim 11, wherein this form and aspect corresponding unit includes:
One look-up table is used for storing a plurality of hue shift parameters; And
One interpolative operation unit is used for this form and aspect signal being carried out interpolative operation, to produce this hue shift parameter according to these a plurality of hue shift parameters.
15. color adjusting device as claimed in claim 11, wherein this luminance signal processing unit is a multiplier, is used for this intensity gain parameter and this first luminance signal are multiplied each other, to produce this second luminance signal.
16. color adjusting device as claimed in claim 11, wherein this chroma signals processing unit includes:
One form and aspect adjustment unit is coupled to this receiving terminal and this form and aspect corresponding unit, be used for this first chroma signals with multiply each other by the formed spin matrix of this hue shift parameter, to produce an output signal; And
One multiplier is coupled to this form and aspect adjustment unit and this saturation corresponding unit, is used for this output signal and this hybrid parameter are multiplied each other, to produce this second chroma signals.
17. color adjusting device as claimed in claim 11, wherein this chroma signals processing unit includes:
One multiplier is coupled to this receiving terminal and this saturation corresponding unit, is used for this first chroma signals and this hybrid parameter are multiplied each other, to produce an output signal; And
One form and aspect adjustment unit is coupled to this multiplier and this form and aspect corresponding unit, be used for this output signal with multiply each other by the formed spin matrix of this hue shift parameter, to produce this second chroma signals.
18. color adjusting device as claimed in claim 11, wherein this hybrid parameter is this saturation gain parameter.
19. color adjusting device as claimed in claim 11, it also comprises a multiplier, be coupled to this intensity corresponding unit, this saturation corresponding unit and this chroma signals processing unit, be used for this saturation gain parameter and this intensity gain parameter are multiplied each other, to produce this hybrid parameter.
20. color adjusting device as claimed in claim 11, wherein this signal generation unit also is used for this first chroma signals and this first luminance signal are mixed calculating, to produce this form and aspect signal and this saturation signal.
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| CN103763537A (en) * | 2014-01-06 | 2014-04-30 | 深圳Tcl新技术有限公司 | Method and device for dynamically regulating display image quality |
| TWI549511B (en) * | 2014-03-19 | 2016-09-11 | 智原科技股份有限公司 | Image sensing apparatus and color-correction matrix correcting method and look-up table establishing method |
| CN107257454B (en) * | 2017-06-29 | 2019-08-06 | 青岛海信电器股份有限公司 | A kind of method, apparatus and display equipment of image color offset |
| CN107205142B (en) * | 2017-06-30 | 2019-09-20 | 青岛海信电器股份有限公司 | A kind of method, apparatus and display equipment of image color offset |
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