CN101169928B - Color regulation circuit, digit color regulation device and multimedia device applying same - Google Patents

Color regulation circuit, digit color regulation device and multimedia device applying same Download PDF

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CN101169928B
CN101169928B CN 200610136648 CN200610136648A CN101169928B CN 101169928 B CN101169928 B CN 101169928B CN 200610136648 CN200610136648 CN 200610136648 CN 200610136648 A CN200610136648 A CN 200610136648A CN 101169928 B CN101169928 B CN 101169928B
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signal
hue
color
luminance
saturation
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CN 200610136648
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Chinese (zh)
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CN101169928A (en )
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何肇伟
吴东霖
柯俊宇
郑嘉贤
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财团法人工业技术研究院
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Abstract

A digital color adjusting device of a multimedia device adjusts the digital color of the pixel color data received thereby and transmits to the display unit of the multimedia device to display the color. The digital color adjusting device comprises a color phase different corresponding table, a saturation matching corresponding table, a brightness conversion corresponding table, and a nonlinear output corresponding table. The digital color adjusting device can be used for color domain matched nonlinear adjustment and/or nonlinear adjustment of independent color.

Description

色彩调整电路、数字色彩调整装置与应用其的多媒体装置 Color adjustment circuit, a digital color adjustment device and a multimedia device which application

技术领域 FIELD

[0001] 本发明涉及一种多媒体装置的色彩调整方法与装置,且特别涉及一种能提供色域匹配非线性调整及/或独立色非线性调整的色彩调整方法与装置。 [0001] The present invention relates to a multimedia device color adjustment method and apparatus, and more particularly to a method and apparatus for adjusting color gamut matching nonlinear adjustment and / or the separate color capable of providing non-linear adjustment.

背景技术 Background technique

[0002] 现有的多媒体装置(比如,显示器,电视机,数码相机,数码摄影机等)的色彩调整包括色域匹配与喜好色调整。 [0002] The conventional multimedia device (e.g., monitors, televisions, digital cameras, digital cameras, etc.) to adjust the color gamut mapping and preferences include color adjustment. 所谓的色域匹配比如,将红色与绿色饱和度降低或提高,或移动黄色色相彩度等。 Called gamut mapping for example, red and green reduced or increased saturation, hue, or chroma yellow moving the like. 而喜好色调整是指将某一独立色,如草地、天空、肤色等,进行单独调整而不影响其它色彩。 Color adjusting means and the like to separate a color, such as grass, sky, color, etc., be individually adjusted without affecting other colors.

[0003] 局限于整体性的色相、饱和度与亮度调整,一般的显示器无法提供独立色相的色彩调整。 [0003] limited to the integrity of the hue, saturation and brightness adjustment, generally can not provide a display color adjustment separate hue. 某些高阶显示器则提供进阶的六轴色相调整与亮度(Gamma)调整,并且可针对特定的独立色加强调整。 Some high-order display provides six-axis adjustment of luminance hue advanced (the Gamma) adjustment, and can enhance the adjustment for a particular color independently.

[0004] 以现有的色彩调整技术为例,将图像中的RGB (红,绿,蓝)色彩信息进行转换为RGBCMY(红,绿,蓝,青,洋红,黄)的六色信息,再由六色的对应表(lookup table)与色彩控制电路进行饱和度(Saturation)/亮度Qntensity)的调整,最后转换为亮度(Y)、蓝(Cb) 与红(Cr)信号输出至图像。 [0004] In the prior art color adjustment as an example, the image of the RGB (red, green, and blue) is converted into RGBCMY color information (red, green, blue, cyan, magenta, yellow) of the six-color information, and then a six-color correspondence table (lookup table) and color saturation control circuit (saturation) / luminance Qntensity) is adjusted, and finally converted into a luminance (Y), and blue output signals (Cb) and red (Cr) to the image. 六色的对应表由一张原始图像与调整后的目标图像关系来进行建立的。 Six-color correspondence table to be established by the target image after a relationship with the original image adjustment.

[0005] 另外,另一种已知技术则将数字色彩(RGB)进行色彩空间转换为CIELab色彩空间,再转换成亮度-彩度-色相(LCH)。 [0005] Further, another known technique will digital color (RGB) color space conversion is performed CIELab color space, converted to a luminance - saturation - hue (LCH). 接着,在预设的色彩范围内进行连续且平滑地色度转换,来得到预设的喜好色输出。 Next, the chromaticity converter continuously and smoothly within a predetermined color range to obtain predetermined output color preferences. 不过其缺点在于其硬件架构较为复杂,导致电路成本提 However, a disadvantage in that it is more complex architectures, resulting in increased cost of the circuit

尚ο Ο yet

[0006] 不过,上述现有技术无法提供最佳与一致性的输出结果。 [0006] However, the above prior art can not provide the best consistency of output. 此外,目前的色彩调整也无法提供独立色非线性调整。 In addition, the current color adjustment can not provide a separate non-linear color adjustment.

发明内容 SUMMARY

[0007] 有鉴于此,本发明的目的之一就是提供一种能实现色域匹配非线性调整及/或独立色非线性调整的多媒体装置的色彩调整方法与装置。 [0007] It is therefore one object of the present invention is to provide a method and apparatus for color adjustment to achieve multimedia device gamut matching nonlinear adjustment and / or nonlinear independent color adjustment.

[0008] 本发明的另一目的在于提出一种多媒体装置的色彩调整方法与装置,其软件与硬件的可行性高。 [0008] Another object of the present invention is to provide a method and apparatus for color adjustment of a multimedia device, a high feasibility of software and hardware.

[0009] 本发明的另一目的在于提出一种多媒体装置的色彩调整方法与装置,色彩调整原理简单不需复杂运算,可达到实时(Real-Time)的要求。 [0009] Another object of the present invention is to provide a multimedia device color adjustment method and apparatus, the color adjustment is simple in principle no complicated operation, can achieve real-time (Real-Time) requirements.

[0010] 本发明的另一目的在于提出一种多媒体装置的色彩调整方法与装置,其色彩调整效果显著。 [0010] Another object of the present invention is to provide a method and apparatus for color adjustment of a multimedia device, which color adjustment effect is remarkable.

[0011] 本发明的另一目的在于提出一种多媒体装置的色彩调整方法与装置,其拥有3D (三维)的色彩调整能力。 [0011] Another object of the present invention is to provide a method and apparatus for color adjustment of a multimedia device, which has the 3D (three-dimensional) color adjustment capability.

[0012] 本发明提出一种多媒体装置,包括:一数字色彩调整装置,接收驱动电路所产生的第一图像色彩数据,利用一色相差异对应表,一饱和匹配对应表,一亮度转换对应表与一非线性输出对应表对该第一图像色彩数据进行色彩调整成一第二图像色彩数据,以传送至一显示单元进行;以及一人机界面,响应于该显示单元所显示的一显示图像而产生一调整值, 该调整值对于上述对应表的建立有关。 [0012] The present invention provides a multimedia device, comprising: a first color image data of a digital color adjustment means for receiving the driving circuit generated by a hue difference correspondence table, a table matches the corresponding saturated, and a luminance conversion table corresponding to a nonlinear output correspondence table color adjustment data into a second color image on the first color image data for transmission to a display unit; and a man-machine interface, in response to a display image displayed on the display unit to generate a adjustment value, the adjustment value for establishing the correspondence table concerned.

[0013] 该数字色彩调整装置包括:一色彩转换电路,接收该第一图像色彩数据并进行色彩转换成一第三图像色彩数据;一色相转换电路,接收该第三图像色彩数据并进行色相转换成一第四图像色彩数据;一色彩调整电路,包括该色相差异对应表、该饱和匹配对应表、 该亮度转换对应表与该非线性输出对应表,根据上述对应表对该第四图像色彩数据进行色彩调整成一第五图像色彩数据;一逆色相转换电路,接收该第五图像色彩数据并进行逆色相转换成一第六图像色彩数据;以及一逆色彩转换电路,接收该第六图像色彩数据并进行逆色彩转换成该第二图像色彩数据。 [0013] The digital color adjustment device comprising: a color conversion circuit, receives the first color data and the color image is converted into a third color image data; a hue conversion circuit receives the third color image data and converted into a Hue a fourth color image data; a color adjustment circuit, which comprises a hue difference correspondence table, the table matches the corresponding saturated, the luminance conversion table corresponds to the non-linear output correspondence table, for the fourth color image color data based on the correspondence table adjusted to a fifth image color data; an inverse hue conversion circuit to receive the fifth image data and the inverse color hue is converted into a sixth image color data; and an inverse color conversion circuit for receiving the color image data and sixth inverse color conversion into the second color image data.

[0014] 该色彩调整电路包括:该色相差异对应表,根据该色相信号以对应得出一色相差异信号;一第一加法器,将该色相信号与该色相差异信号相加为一调整后色相信号;该饱和匹配对应表,根据该色相信号以对应得出一饱和匹配信号;一第一乘法器,将该饱和度信号与该饱和匹配信号相乘为一第一乘法结果;该亮度转换对应表,根据该色相信号以对应得出一亮度增益信号;一第二乘法器,将该亮度信号与该亮度增益信号相乘为一第二乘法结果;该非线性输出对应表,根据该亮度信号与该饱和度信号而对应得出一亮度上限信号与一饱和度上限信号;一第一选择单元,根据该饱和度上限信号与该第一乘法结果而产生一调整后饱和度信号;以及一第二选择单元,根据该亮度上限信号与该第二乘法结果而产生一调整后亮度信号。 [0014] The color adjustment circuit comprising: a correspondence table of the difference in hue, the hue corresponding obtain a difference signal based on the hue signal; after a first adder, the hue and the hue signal as a difference signal are added to adjust the hue signal; saturated match the correspondence table based on the hue signal corresponding saturated obtain a match signal; a first multiplier, the saturation signal and the multiplied signal is saturated match a first multiplication result; corresponding to the luminance conversion table, based on the hue obtain a luminance signal corresponding gain signal; a second multiplier, the gain of the luminance signal and the luminance signal is multiplied by a second multiplication result; correspondence table of the non-linear output, the luminance signal in accordance with the saturation signal corresponding to derive a luminance signal and a saturation upper limit signal; a first selection unit, generates a signal to adjust the saturation to the first multiplication result according to the saturation limit signal; and a second two selection means, after generating a luminance signal according to the adjustment signal and the second upper limit luminance multiplication result.

[0015] 或者,该色彩调整电路包括:该色相差异对应表,根据该色相信号以对应得出一色相差异信号;一第二加法器,将该色相信号与该色相差异信号相加为一调整后色相信号; 该饱和匹配对应表,根据该色相信号以对应得出一饱和匹配信号;一第三乘法器,将该饱和度信号与该饱和匹配信号相乘为一第三乘法结果;该亮度转换对应表,根据该色相信号与该亮度信号以对应得出一亮度增益信号;一第四乘法器,将该亮度信号与该亮度增益信号相乘为一第四乘法结果;该非线性输出对应表,根据该亮度信号与该饱和度信号而对应得出一亮度上限信号与一饱和度上限信号;一第三选择单元,根据该饱和度上限信号与该第三乘法结果而产生一调整后饱和度信号;以及一第四选择单元,根据该亮度上限信号与该第四乘法结果而产生一调整后亮度信号。 [0015] Alternatively, the color adjustment circuit comprising: a correspondence table of the difference in hue, the hue corresponding obtain a signal according to the hue difference signal; a second adder, the hue and the hue signal as a difference signal are added to adjust after the hue signal; saturated match the correspondence table based on the hue signal corresponding saturated obtain a match signal; a third multiplier, the saturation signal and the multiplied signal is saturated match a third multiplication result; the brightness conversion correspondence table, obtain a luminance signal according to the gain of the luminance signal and hue signal corresponding; a fourth multiplier, the gain of the luminance signal and the luminance signal is multiplied by a fourth multiplication result; corresponding to the non-linear output table, based on the luminance signal and the signal corresponding to the saturation limit derive a luminance signal and a saturation limit signal; after a third selection unit, and generating an adjustment signal based on the upper limit of saturation and the saturation of the third multiplication result of the signal; and a fourth selection means, after generating a luminance signal according to the luminance adjusting signal and the upper limit fourth multiplication result.

[0016] 或者,该色彩调整电路包括:该色相差异对应表,根据该色相信号以对应得出一色相差异信号;一第三加法器,将该色相信号与该色相差异信号相加为一调整后色相信号; 该饱和匹配对应表,根据该色相信号以对应得出一饱和匹配信号;一第五乘法器,将该饱和度信号与该饱和匹配信号相乘为一第五乘法结果;该亮度转换对应表,根据该色相信号与该亮度信号以对应得出一转换亮度信号;该非线性输出对应表,根据该亮度信号与该饱和度信号而对应得出一亮度上限信号与一饱和度上限信号;一第五选择单元,根据该饱和度上限信号与该第五乘法结果而产生一调整后饱和度信号;以及一第六选择单元,根据该亮度上限信号与该转换亮度信号而产生一调整后亮度信号。 [0016] Alternatively, the color adjustment circuit comprising: a correspondence table of the hue difference, a corresponding derived signal according to the hue difference between the hue signal; a third adder, the hue and the hue signal as a difference signal are added to adjust after the hue signal; saturated match the correspondence table based on the hue signal corresponding saturated obtain a match signal; a fifth multiplier, the saturation signal and the multiplied signal is saturated match a fifth multiplication results; the brightness conversion correspondence table, converting a luminance signal obtained based on the hue signal corresponding to the luminance signal; correspondence table of the non-linear output, the luminance signal and the signal corresponding to the saturation limit derive a luminance signal and a saturation limit in accordance with signal; a fifth selection means, the saturation signal in accordance with the upper limit of the saturation signal and the multiplication result to produce a fifth adjustment; and a sixth selection unit, the upper limit of the luminance signal and the luminance signal converter to generate an adjusted after the luminance signal.

[0017] 为让本发明的上述和其它目的、特征和优点能更明显易懂,下文特举本发明的较佳实施例,并配合所附图式,作详细说明如下。 [0017] In order to make the above and other objects, features and advantages of the present invention can be more fully understood by referring to the preferred embodiments cited embodiment of the present invention, and with the accompanying drawings, described in detail below. 附图说明 BRIEF DESCRIPTION

[0018] 图1显示本发明实施例的电路示意图。 [0018] FIG. 1 shows a circuit diagram of an embodiment of the present invention.

[0019] 图2显示数字色彩调整装置的电路方块图。 [0019] FIG. 2 shows a circuit block diagram of a digital color adjustment device.

[0020] 图3a〜3c显示色彩调整电路25所进行的三种色彩调整方式。 [0020] FIG 3a~3c show three color adjusting color adjustment circuit 25 embodiment performed.

[0021] 图4与图5显示色相差异对应表与饱和匹配对应表的初始状态。 [0021] FIG. 4 and FIG. 5 shows the initial state of the hue difference and saturation correspondence table matches the corresponding table.

[0022] 图6显示非线性输出对应表的初始状态。 [0022] FIG. 6 shows the initial state of the non-linear output correspondence table.

[0023] 图7a〜7c显示亮度转换对应表的初始状态。 [0023] FIG 7a~7c display luminance conversion table corresponding to the initial state.

[0024] 图8、图9、图IOa〜10c、图Ila〜lib分别显示在色域匹配调整时的使用者人机界面、非线性输出对应表的软件界面,以及色相差异对应表、饱和匹配对应表以及亮度转换对应表。 [0024] FIG. 8, FIG. 9, FIG IOa~10c, FIG Ila~lib show the user when the man-machine interface to adjust gamut mapping, non-linear output software interface correspondence table, and the table corresponding to the difference hue, saturation matching and a luminance conversion table corresponding to the correspondence table.

[0025] 图12、图13、图14a〜14c、图15a〜15b以及图16a〜16b分别显示在独立色调整时的使用者人机界面、非线性输出对应表的软件界面,以及色相差异对应表、饱和匹配对应表以及亮度转换对应表。 [0025] FIG 12, FIG 13, FIG 14a~14c, and FIG 15a~15b FIG 16a~16b show the user when the man-machine interface independent color adjustment table corresponding to the output of the nonlinear software interface, and the corresponding hue difference table, and the table matches the corresponding saturated luminance conversion correspondence table.

[0026] 图17a〜17c显示在同时进行色域匹配与独立色调整时的色相差异对应表、饱和匹配对应表以及亮度转换对应表。 [0026] FIG 17a~17c display hue differences in the corresponding tables gamut matches the color adjusting independently at the same time, the correspondence table matching the saturation and luminance conversion correspondence table.

[0027] 主要组件符号说明 [0027] Description of Symbols major components

[0028] 11:驱动电路 [0028] 11: drive circuit

[0029] 12 :数字色彩调整装置 [0029] 12: digital color adjustment device

[0030] 13 :显示单元 [0030] 13: display unit

[0031] 14 :装置控制软件人机界面 [0031] 14: Control means Software Interface

[0032] 15、15,、15”:色相差异对应表 [0032] 15, 15, 15 ': hue difference correspondence table

[0033] 16、16,、16”:饱和匹配对应表 [0033] 16, 16, 16 ': unsaturated table matches the corresponding

[0034] 17、17'、17”:亮度转换对应表 [0034] 17, 17 ', 17 ": luminance conversion table corresponding to

[0035] 18、18'、18”:非线性输出对应表 [0035] 18, 18 ', 18 ": non-linear output correspondence table

[0036] 21 :色彩转换电路 [0036] 21: color conversion circuit

[0037] 23:色相转换电路 [0037] 23: the hue conversion circuit

[0038] 25、25,、25”:色彩调整电路 [0038] 25, 25, 25 ': color adjusting circuit

[0039] 27:逆色相转换电路 [0039] 27: an inverse conversion circuit Hue

[0040] 29:逆色彩转换电路 [0040] 29: inverse color conversion circuit

[0041] 301,311,321 :加法器 [0041] 301,311,321: adder

[0042] 302、303、312、313、322 :乘法器 [0042] 302,303,312,313,322: a multiplier

[0043] 304、305、314、315、324、325 :比较器 [0043] 304,305,314,315,324,325: Comparator

具体实施方式 detailed description

[0044] 为了使本发明的内容更为明了,以下特举实施例作为本发明确实能够据以实施的范例。 [0044] In order to make the present invention more apparent, the embodiment of the present invention give Laid indeed according to the exemplary embodiment of FIG.

[0045] 本发明实施例提供一种多媒体装置(如显示器,电视机,数码相机,数码摄影机等)的数字色彩调整方法及其装置。 Digital color adjusting method and apparatus of Embodiment [0045] The present invention provides a multimedia device (e.g., displays, televisions, digital cameras, digital cameras, etc.). 数字色彩调整装置接收驱动电路传送出的象素色彩数据,进行数字色彩调整后再传送至多媒体装置的显示单元显示。 Color adjustment means for receiving the digital color pixel data driving circuit of a transmission, digital color adjustment and then sent to a display unit to display the multimedia device. 该数字色彩调整装置包括独立色调整色相差异对应表、多色相饱和匹配对应表、多层亮度转换对应表以及非线性输出对应表。 The adjustment means comprises a separate digital color hue adjusted color difference correspondence table, multiple table matches the corresponding hue saturation, and multilayer luminance conversion table corresponding to nonlinear output correspondence table. 该数字色彩调整装置可依据需求分别或同时进行最佳演色特性的色域匹配,以及喜好色调整的独立色调整。 The digital color adjustment device according to the requirement may be separately or simultaneously optimal gamut mapping color rendering properties, and a separate color adjusting color adjusting the preference. 使用者观看或量测显示单元上的调整图样以输入调整值。 User views or measurements adjustment pattern on the display unit to adjust the input values. 根据调整值可建立对应表的连续性调整曲线。 Continuity correspondence table may be adjusted according to the adjustment value of the curve. 该连续性调整曲线的建立方式可利用软件方式或硬件方式。 The way to establish the continuity of the curve can be adjusted by software or hardware manner. 如此一来,可达到色域匹配非线性调整与独立色非线性调整效果。 Thus, the adjustment can be achieved to match the gamut nonlinear independent color adjustment nonlinear effects.

[0046] 图1显示本发明实施例的电路示意图。 [0046] FIG. 1 shows a circuit diagram of an embodiment of the present invention. 如图1所示,驱动电路11传送象素色彩数据RlGlBl给数字色彩调整装置12。 1, the driving circuit 11 transmits the pixel data RlGlBl color adjusting device 12 to the digital color. 该数字色彩调整装置12根据其内部的色相差异对应表15、饱和匹配对应表16、亮度转换对应表17以及非线性输出对应表18进行数字色彩调整, 以得到象素色彩数据R6G6B6。 The digital color hue adjusting device 12 according to differences in their internal correspondence table 15, table 16 matches the corresponding saturation, luminance conversion table 17 and a nonlinear correspondence table 18 corresponding to the output digital color adjustment, color pixel data to obtain R6G6B6. 象素色彩资料R6G6B6传送至显示单元13显示。 Pixel colors R6G6B6 data transmitted to the display unit 13 displays.

[0047] 使用者观看或量测显示单元上的调整图样,输入调整值。 [0047] The user views or measurements adjustment pattern on the display unit, the input adjustment value. 根据使用者所输入的调整值来建立各对应表15〜18的连续性调整曲线,达到色域匹配与独立色非线性调整效果。 The adjustment value input by the user to establish the continuity of the adjustment curve of each correspondence table 15~18 achieve non-linear gamut mapping adjustment independent color effect. 使用者可透过装置控制软件人机界面14输入调整值,然后将调整值或所建立好的对应表输入至数字色彩调整装置12。 The user can adjust the value input means through human-machine interface control software 14, then the adjustment value or establishing a good correspondence table input to the digital color adjustment means 12.

[0048] 图2显示数字色彩调整装置12的电路方块图。 [0048] FIG. 2 shows a circuit block diagram of a digital color adjustment device 12. 数字色彩调整装置12包括:色彩转换电路21,将象素色彩数据RlGlBl转换成电视信号Y2U2V2 ;色相转换电路23,将电视信号Y2U2V2转换成另一色彩信号Y3C3H3 ;色彩调整电路25,可进行色彩信号Y3C3H3的色彩调整,以产生色彩信号Y4C4H4 ;逆色相转换电路27,可将色彩信号Y4C4H4转换至电视信号Y5U5V5 ;以及逆色彩转换电路29,可将电视信号Y5TOV5转换至象素色彩数据R6G6B6,以输出至显示单元13显示。 Digital color adjusting device 12 comprising: a color conversion circuit 21 converts the pixel color data into the television signal RlGlBl Y2U2V2; hue conversion circuit 23 converts the color TV signal into another signal Y2U2V2 Y3C3H3; color adjustment circuit 25, a color signal can be Y3C3H3 color adjustment, color signal to produce Y4C4H4; inverse hue conversion circuit 27 may convert the color television signal to a signal Y4C4H4 Y5U5V5; and an inverse color conversion circuit 29, the television signal can be converted to pixel color data Y5TOV5 R6G6B6, to the output to the display unit 13 displays. 上述对应表15〜18乃包括于色彩调整电路25内。 15~18 above is the correspondence table included in the color adjusting circuit 25.

[0049] 此夕卜,电视信号YUV也可使用相似的空彩空间信号Y',B' -Y,,R' -Y,或YCbCr来取代。 [0049] This Bu Xi, a television signal may also be YUV color space using a similar empty signal Y ', B' -Y ,, R '-Y, or YCbCr be substituted.

[0050] 在该实施例中,色彩调整电路25所进行的色彩调整方式有三种,当然,本发明并不受限于此。 [0050] In this embodiment, the color adjustment method for the color adjusting circuit 25 has three, of course, the present invention is not limited thereto. 请参考图3a〜3c,其显示这三种色彩调整方式。 Please refer to FIG 3a~3c, which shows the three color adjustment mode.

[0051] 首先,第一种色彩调整方式如图3a所示。 [0051] First, a first embodiment shown in Figure 3a color adjustment. 色相信号H3经由色相差异对应表15对应得出色相差异信号ΔH,-180° < 180°。 Via H3 hue hue signal correspondence table 15 corresponds to the difference hue difference signal derived ΔH, -180 ° <180 °. 加法器301相加色相差异信号ΔH与色相信号Η3成为色相信号Η4。 The adder 301 adding the difference signal ΔH hue signal to the hue becomes the hue signal Η3 Η4. 色相信号Η3经由饱和匹配对应表16对应得出饱和匹配信号Gc,0. 5彡Gc彡2。 Η3 saturated hue signal matches the corresponding table 16 via the corresponding saturated match signal derived Gc, 0. 5 San Gc San 2. 乘法器302将饱和匹配信号Gc与饱和信号C3相乘另一饱和信号Cg。 Saturated match signal multiplier 302 and the saturation signal C3 is multiplied by Gc another saturation signal Cg. 饱和信号C3经由非线性输出对应表18对应得出一饱和上限信号Cm。 Saturated C3 via non-linear output signal corresponding to Table 18 Cm derive a signal corresponding to the saturation limit. 比较器305比较饱和信号Cg与饱和上限信号Cm,并取出较小值当成调整后饱和信号C4。 Comparator 305 comparing the saturation signal with a saturated Cg upper limit signal Cm, and the smaller value taken as the saturation adjustment signal C4. 如此,可达到饱和非线性调整效果。 Thus, the nonlinear saturation adjustment effect. 色相信号H3经由亮度转换对应表17对应得出亮度增益值Gy,0. 5 < Gy < 2。 Via H3 hue signal 17 corresponding to the luminance conversion table corresponding to the obtained luminance gain Gy, 0. 5 <Gy <2. 乘法器303将亮度增益值Gy与亮度信号Y3相乘成为另一亮度信号Yg。 The luminance gain multiplier 303 Gy with the luminance signal Y3 becomes further multiplying the luminance signal Yg. 亮度信号Y3经由非线性输出对应表18对应得出的亮度上限信号Ym。 Via a non-linear luminance signal Y3 output luminance Ym 18 corresponding to the upper limit signal derived correspondence table. 比较器304比较亮度信号Yg与亮度上限信号Ym,并取其小者当成调整后亮度信号Y4,由此达到亮度非线性调整效果。 Comparator 304 comparing the upper limit of the luminance signal and the luminance signal Ym of Yg, and taking the lesser of the luminance signals Y4 as adjusted, thereby achieving adjustment of luminance non-linear effects.

[0052] 第二种色彩调整方式如图3b所示。 [0052] The second embodiment shown in Figure 3b color adjustment. 基本上,第一种与第二种色彩调整方式的差异至少在于如何产生亮度信号Y4。 Basically, the difference between the first and second color adjustment approach is that at least how to generate a luminance signal Y4. 色相信号H4与饱和信号C4的产生方式基本上两者相似, 故在此可不再重述。 Generating a hue and saturation signal C4 H4 signals of two substantially similar, it may be not repeated here. 色相信号H3与亮度信号Y3经由亮度转换对应表17'对应得出该色相在亮度层间的亮度增益值Gy,0. 5 < Gy < 2。 H3 hue signal with the luminance signal Y3 corresponds to the correspondence table 17 'derived by the luminance converting the luminance gain Gy hue value between the luminance level, 0. 5 <Gy <2. 乘法器313将亮度增益值Gy与亮度信号Y3 相乘成为调整后亮度信号Yg。 The luminance gain multiplier 313 Gy multiplying the luminance signal Y3 becomes the adjusted luminance signal Yg. 比较器314比较调整后亮度信号Yg与亮度上限信号Ym,并取其小者当成亮度信号Y4,由此达到亮度非线性调整效果。 After adjustment comparator 314 comparing the upper limit of the luminance signal and the luminance signal Yg Ym, whichever is less and as a luminance signal Y4, thereby achieving adjustment of luminance non-linear effects.

[0053] 第三种色彩调整方式如图3c所示。 [0053] A third embodiment shown in Figure 3c color adjustment. 基本上,第一种与第三种色彩调整方式的差异至少在于如何产生亮度信号Y4。 Basically, a first difference with the third embodiment in that the at least color adjustment how to generate a luminance signal Y4. 色相信号H4与饱和信号C4的产生方式基本上两者相似, 故在此可不再重述。 Generating a hue and saturation signal C4 H4 signals of two substantially similar, it may be not repeated here. 色相信号H3与亮度信号Y3经由亮度转换对应表17”对应得出该色相在亮度层间的转换亮度值Yy,0 ( Yy <亮度位深度。比较器324比较转换亮度值Yy与亮度上限信号Ym,并取其小者当成亮度信号Y4,由此达到亮度非线性调整效果。 H3 hue signal with the luminance signal Y3 via the luminance conversion table 17 corresponding to "the hue corresponding to the obtained luminance value conversion Yy between the luminance layer, 0 (Yy <bit depth luminance comparator 324 comparing a luminance value converter and the luminance limit signal Ym Yy , whichever is less and as a luminance signal Y4, thereby achieving the effect of non-linear luminance adjustment.

[0054] 上述三种色彩调整方式的色相差异对应表与饱和匹配对应表的初始状态如图4 与图5所示。 [0054] The initial state of the three color hue difference adjustment mode correspondence table matching with saturated correspondence table shown in FIG. 4 and FIG. 5. 初始状态中由于没有色相与饱和度的改变,所以ΔΗ均为0且Gc均为1。 Since the initial state is not changed hue and saturation, so ΔΗ are 0 and 1 are Gc. 此时色彩信号Y3C3H3将不会进行任何的色相/饱和调整。 At this time, the color signal will not be any Y3C3H3 hue / saturation adjustment. 也就是说,所输出的象素色彩数据R6G6B6会等于输入的象素色彩数据RlGlBl。 That is, the pixel data output from the color R6G6B6 be equal to the input color pixel data RlGlBl.

[0055] 上述三种色彩调整方式的非线性输出对应表的初始状态如图6所示。 [0055] The initial non-linear output state table corresponding to the three colors of the adjustment mode shown in FIG. 6. 初始状态中由于没有非线性调整,此时色彩信号Y3C3H3将不会进行非线性饱和/亮度调整。 In the initial state because no nonlinear adjustment, and the color signal will not be Y3C3H3 nonlinear saturation / brightness adjustment. 也就是说, 所输出的象素色彩数据R6G6B6会等于输入的象素色彩数据RlGlBl。 That is, the pixel data output from the color R6G6B6 be equal to the input color pixel data RlGlBl.

[0056] 第一种色彩调整方式的亮度转换对应表的初始状态如图7a所示。 [0056] The first embodiment of the color adjustment luminance conversion table corresponding to the initial state shown in Figure 7a. 初始状态中由于没有亮度的改变,此时色彩信号Y3C3H3将不会进行亮度调整。 Since there is no change in the initial state, the luminance of the color signal at this time will not be Y3C3H3 brightness adjustment. 也就是说,所输出的象素色彩数据R6G6B6会等于输入的象素色彩数据RlGlBl。 That is, the pixel data output from the color R6G6B6 be equal to the input color pixel data RlGlBl.

[0057] 第二种与第三种色彩调整方式的亮度转换对应表的初始状态如图7b与7c所示, 其中的亮度层数设定为5层并以输入信号R/G/B为8位为例。 [0057] The second and third color luminance adjusting mode conversion table corresponding to the initial state shown in FIG. 7b and 7c, wherein the luminance of the number of layers and layer 5 is set to the input signal R / G / B 8 bit example. 所以,第一层为0、第二层为64、第三层为128、第四层为192、第五层为255。 Therefore, the first layer is 0, the second layer 64, third layer 128, fourth layer 192, fifth layer 255. 亮度层数量的设计较好有3层以上。 Number of luminance layer is preferably designed to have three or more layers. 初始状态中由于没有亮度的改变,此时色彩信号Y3C3H3将不会进行亮度调整。 Since there is no change in the initial state, the luminance of the color signal at this time will not be Y3C3H3 brightness adjustment. 也就是说,所输出的象素色彩数据R6G6B6会等于输入的象素色彩数据RlGlBl。 That is, the pixel data output from the color R6G6B6 be equal to the input color pixel data RlGlBl.

[0058] 在该实施例中,数字色彩调整有三种类型:(1)色域匹配调整;(2)独立色调整(3) 同时进行色域匹配与独立色调整。 [0058] In this embodiment, the digital color adjustment of three types: (1) to adjust gamut mapping; (2) independent color adjusting (3) simultaneously with the separate color gamut mapping adjustment. 分别叙述如下: They are described as follows:

[0059] (1)色域匹配调整 [0059] (1) to adjust gamut mapping

[0060] 当进行色域匹配调整时,比如可用六个方块为RGBCMY的颜色色块,让使用者实时地观看或量测色彩调整后的结果。 [0060] When the gamut mapping adjustments such as color available six square blocks of color RGBCMY, allowing users real-time viewing or the result of measuring color adjustment. 色域匹配调整的使用者人机界面如图8所示。 Gamut mapping user HMI adjusted as shown in FIG. 当应用上述第一种色彩调整方式时,使用者选择所要调整的色轴后拖动色相滚动条,来改变该色轴的输出色相;使用者拖动饱和滚动条来改变该色轴的输出饱和;使用者拖动亮度滚动条来改变该色轴的输出亮度。 When applying the first color adjustment mode, the user drags after selecting the desired hue adjusted color axis scrollbar, the hue of the color changes the output shaft; user drags the scroll bar to change the saturation of the output shaft of color saturation ; user drags the scroll bar to change the brightness of the brightness of the color output shaft. 若使用第二种或第三种色彩调整方式,使用者选择所要调整的色轴后再选择所要调整的亮度层;使用者拖动亮度滚动条来改变该亮度层的输出亮度。 If the color adjustment using the second or third embodiment, the user selects a color to be adjusted after selected axis luminance level to be adjusted; the user drags the scroll bar to change the output luminance of the luminance of the luminance layer. 非线性输出对应表的软件界面如图9所示。 Software interface nonlinear output correspondence table shown in Fig. 使用者用鼠标拖动非线性调整点产生非线性输出曲线。 Generating a nonlinear output curve user drags the mouse nonlinear setpoint.

[0061] 将使用者输入多轴的色相差异值、饱和匹配值、亮度转换值以及非线性输出值等信息,透过数值方法来建立连续性调整曲线。 [0061] The user inputs the hue difference value multiaxial, saturated matching value, the luminance information and a nonlinear conversion value output value to establish the continuity of the curve adjusted through numerical methods. 在该实施例中,多轴的定义为至少3色相轴, 最多12色相轴。 In this embodiment, the multi-axis defined as at least three axes of hue, hue up shaft 12. 连续性调整曲线可以先使用数值方法(如各种适当的插值法)建立好后, 才下载至数字色彩调整装置的对应表中(也就是以软件方式来达成)。 Continuity first adjustment curve using numerical methods (e.g., various suitable interpolation) is established well before downloading the association table to the digital color adjustment device (it is achieved in software). 或者,数字色彩调整装置根据使用者所输入的调整值来建立连续性调整曲线(也就是以硬件方式来达成)。 Alternatively, a digital color adjustment device according to the adjustment value input by the user to adjust the curve to establish continuity (that is hardware to achieve). 如此,可达到色域匹配非线性调整输出效果。 Thus, non-linear gamut mapping can be achieved to adjust the output.

[0062] 在应用上述第一种色彩调整方式的情况下,如使用者将红色色相增加10和绿色色相减少10,以及黄色饱和度增加1. 2倍和蓝绿色饱和度增加0. 8倍,另外红色亮度增加1. 1倍和蓝色亮度增加0. 9倍,所建立出的色相差异对应表、饱和匹配对应表以及亮度转换对应表如图IOa〜IOc所示。 [0062] In the case of applying the above-described first embodiment of the color adjustment, such as the user 10 to increase the red and green hue hue by 10, and the yellow saturation increased 1.2-fold and cyan saturation increased 0.8-fold, Further increase in the luminance of red 1.1-fold and 0.9-fold increase in blue luminance, hue difference established a correspondence table matches the corresponding saturation and luminance conversion table corresponding to the table shown in FIG IOa~IOc. 在应用上述第二种或第三种色彩调整方式的情况下,如使用者将红色色相第二层与第四层亮度增加1. 2倍,所建立出的亮度转换对应表如图Ila或lib 所示。 In the case of applying the above-described second or third embodiment of the color adjustment, the red hue as the user layer and the fourth layer a second 1.2-fold increase in brightness, out of the established luminance conversion table corresponding to FIG Ila or lib Fig. [0063] (2)独立色调整 [0063] (2) independent color adjusting

[0064] 独立色调整的软件界面如图12所示。 [0064] The color adjusting independent software interface 12 shown in FIG. 在应用第一种色彩调整方式的情况下,使用者可选择或新增欲调整的独立色,拖动色相滚动条来改变该独立色的输出色相,拖动饱和滚动条来改变该独立色的输出饱和,拖动亮度滚动条来改变该独立色的输出亮度。 In the case of applying a first color adjustment mode, the user can select or add color to be adjusted independently, dragging the scroll bar to change the hue of the independent output color hue, saturation drag the scroll bar to change the color of the independent output saturation, brightness drag the scroll bar to change the brightness of the separate color output. 在应用上述第二种或第三种色彩调整方式的情况下,使用者选择所要调整的独立色后再选择所要调整的亮度层,拖动亮度滚动条来改变该亮度层的输出亮度。 In the case of applying the above-described second or third embodiment of the color adjustment, the user selects a color to be adjusted independently selected luminance layer then to be adjusted, and dragging the scroll bar to change the output luminance of the luminance of the luminance layer. 非线性输出对应表的软件界面如图13所示。 Software interface nonlinear output correspondence table 13 shown in FIG. 使用者用鼠标拖动非线性调整点产生非线性输出曲线。 Generating a nonlinear output curve user drags the mouse nonlinear setpoint.

[0065] 将使用者输入多轴的色相差异值、饱和匹配值、亮度转换值以及非线性输出值等信息,透过数值方法来建立连续性调整曲线。 [0065] The user inputs the hue difference value multiaxial, saturated matching value, the luminance information and a nonlinear conversion value output value to establish the continuity of the curve adjusted through numerical methods. 连续性调整曲线可以先使用数值方法建立好后,才下载至数字色彩调整装置的对应表中(也就是以软件方式来达成)。 Continuity first adjustment curve is established well before downloading to the correspondence table in a digital color adjustment device (it is achieved in software) using numerical methods. 或者,数字色彩调整装置根据使用者所输入的调整值来建立连续性调整曲线(也就是以硬件方式来达成)。 Alternatively, a digital color adjustment device according to the adjustment value input by the user to adjust the curve to establish continuity (that is hardware to achieve). 如此,可达到独立色非线性调整输出效果。 Thus, the color can be achieved independently adjust the output of nonlinear effects. 独立色调整代表对某一色相进行色相、饱和与亮度调整,其调整结果仅仅影响该色相附近的一定范围。 Independent color adjustment represents hue, saturation and brightness adjustment of a hue, the adjustment affects only the result of the vicinity of a range of hues.

[0066] 在应用上述第一种色彩调整方式的情况下,如使用者将肤色的色相增加5、饱和度增加1. 4倍以及亮度增加1. 2倍,而天空的色相减少5、饱和度增加1. 2倍以及亮度增加0. 9 倍,所建立出的色相差异对应表、饱和匹配对应表以及亮度转换对应表如图14a〜14c所示。 [0066] In the case of applying the above-described first embodiment of the color adjustment, color hue, such as the user 5 increases, saturation and brightness increased 1.4-fold increased 1.2-fold, while reducing the sky hue 5, saturation increased 1.2-fold and 0.9-fold increase in brightness, hue difference established a correspondence table matches the corresponding saturation and luminance conversion table corresponding to the table shown in FIG 14a~14c. 在应用上述第二种或第三种色彩调整方式的情况下,如使用者将肤色的色相第二、三、 四层亮度增加1. 2倍,所建立出的亮度转换对应表如图15a或15b所示。 In the case of applying the above-described second or third embodiment of the color adjustment, color hue, such as a second user, three, four 1.2-fold increase in brightness, out of the established luminance conversion table corresponding to FIG. 15a or As shown in 15b. 在应用上述第二种或第三种色彩调整方式的情况下,如使用者将天空色相的第三、四层亮度增加0. 9倍,所建立出的亮度转换对应表如图16a或16b所示。 In the case of applying the above-described second or third embodiment of the color adjustment, such as a third user, four 0.9-fold increase in brightness of the sky hue, luminance conversion established correspondence table shown in FIG. 16a or 16b of the shows.

[0067] (3)同时进行色域匹配与独立色调整 [0067] (3) simultaneously and independently to match the color gamut adjustment

[0068] 此外,亦可同时进行色域匹配与独立色调整。 [0068] Further, while the color gamut may match the color adjusting independently. 由比如图8的色域匹配调整软件界面与图12的独立色调整的软件界面,得到多轴以及独立色调整的色相差异值、饱和匹配值、亮度转换值以及非线性输出值等信息。 Such adjustment by the gamut mapping color adjusting independent software interface and the software interface 12 of FIG. 8, and the resulting multi-axis color hue difference values ​​independently adjusted, matching the value of saturation, luminance information and a nonlinear conversion value output value. 连续性调整曲线可以先使用数值方法建立好后, 才下载至数字色彩调整装置的对应表中(也就是以软件方式来达成)。 Continuity first adjustment curve is established well before downloading to the correspondence table in a digital color adjustment device (it is achieved in software) using numerical methods. 或者,数字色彩调整装置根据使用者所输入的调整值来建立连续性调整曲线(也就是以硬件方式来达成)。 Alternatively, a digital color adjustment device according to the adjustment value input by the user to adjust the curve to establish continuity (that is hardware to achieve). 如此,可达到同时进行色域匹配与独立色调整输出效果。 Thus, the color gamut can be achieved simultaneously and independently to match the color adjusting output.

[0069] 在应用上述第一种色彩调整方式的情况下,所建立出的色相差异对应表、饱和匹配对应表以及亮度转换对应表如图17a〜17c所示。 [0069] In the case of applying the above-described first embodiment of the color adjustment, a hue difference established correspondence table matches the corresponding saturation and luminance conversion table corresponding to the table shown in FIG 17a~17c. 在应用上述第一种色彩调整方式的情况下,而第二种或第三种亮度转换对应表方式的调整例,所建立出的亮度转换对应表如图lla/llb、图15a/15b 或图16a/16b 所示。 In the case of applying the above-described first embodiment of the color adjustment, and the second or third embodiment to adjust the luminance conversion table corresponding to the mode, the establishment of a luminance conversion table corresponding to FIG. Lla / llb, FIG. 15a / 15b or FIG. 16a / 16b shown in FIG.

[0070] 透过本实施例,可分别或同时进行色域匹配非线性调整以及独立色非线性调整, 以提供最佳与一致的输出效果。 [0070] Through the present embodiment, may be performed separately or simultaneously adjust gamut nonlinear independent color matching and nonlinear adjusted to provide the optimum and consistent results.

[0071] 虽然本发明已以较佳实施例揭露如上,然而其并非用以限定本发明,任何本领域技术人员在不脱离本发明的精神和范围内,应当可以进行变化和改进,因此本发明的保护范围应当以权利要求书的限定为准。 [0071] While the invention has been described by reference to preferred embodiments, but not intended to limit the present invention, anyone skilled in the art without departing from the spirit and scope of the invention, changes and modifications may be made should, therefore the present invention the scope of the claims should be defined prevail.

Claims (8)

  1. 1. 一种多媒体装置,包括:一驱动电路,产生一第一图像色彩数据;一数字色彩调整装置,接收该第一图像色彩数据,利用一色相差异对应表,一饱和匹配对应表,一亮度转换对应表与一非线性输出对应表对该第一图像色彩数据进行色彩调整成一第二图像色彩数据;一显示单元,接收并显示该第二图像色彩数据;以及一人机界面,响应于该显示单元所显示之一显示图像而产生一调整值,该调整值对于上述对应表的建立有关;其中该数字色彩调整装置包括:一色彩转换电路,接收该第一图像色彩数据并进行色彩转换成一第三图像色彩数据; 一色相转换电路,接收该第三图像色彩数据并进行色相转换成一第四图像色彩数据; 一色彩调整电路,包括该色相差异对应表、该饱和匹配对应表、该亮度转换对应表与该非线性输出对应表,根据上述对应表对该 A multimedia device, comprising: a driving circuit for generating a first color image data; a digital color adjustment means for receiving the first color image data, using a difference in hue mapping table, the correspondence table matching a saturated, a luminance a nonlinear conversion table and the correspondence table corresponding to the output color adjusting color data into a second image of the first color image data; a display unit receives and displays the second color image data; and a man-machine interface, in response to the display one display unit generating a display image adjustment value for the adjustment value relating to the establishment of the correspondence table; wherein the digital color adjustment device comprising: a color conversion circuit for receiving the first image and color data into a color conversion section three color image data; a hue conversion circuit receives the third color image data is converted into a hue and a fourth color image data; a color adjustment circuit, which comprises a hue difference correspondence table, the table matches the corresponding saturated, corresponding to the luminance conversion table to the non-linear output correspondence table, based on the correspondence table of the 四图像色彩数据进行色彩调整成一第五图像色彩数据;一逆色相转换电路,接收该第五图像色彩数据并进行逆色相转换成一第六图像色彩数据;以及一逆色彩转换电路,接收该第六图像色彩数据并进行逆色彩转换成该第二图像色彩数据。 Four color image data into a color adjustment fifth image color data; an inverse hue conversion circuit to receive the fifth image data and the inverse color hue is converted into a sixth image color data; and an inverse color conversion circuit for receiving the sixth color image data to color conversion and the inverse of the second color image data.
  2. 2.如权利要求1所述的多媒体装置,其中该第四图像色彩数据包括一色相信号、一饱和度信号与一亮度信号,该色彩调整电路包括:该色相差异对应表,根据该色相信号以对应得出一色相差异信号; 一第一加法器,将该色相信号与该色相差异信号相加为一调整后色相信号; 该饱和匹配对应表,根据该色相信号以对应得出一饱和匹配信号; 一第一乘法器,将该饱和度信号与该饱和匹配信号相乘为一第一乘法结果; 该亮度转换对应表,根据该色相信号以对应得出一亮度增益信号; 一第二乘法器,将该亮度信号与该亮度增益信号相乘为一第二乘法结果; 该非线性输出对应表,根据该亮度信号与该饱和度信号而对应得出一亮度上限信号与一饱和度上限信号;一第一选择单元,根据该饱和度上限信号与该第一乘法结果而产生一调整后饱和度信号;以及一第 2. The multimedia device according to claim 1, wherein the fourth data comprises a color image signal hue, a saturation signal and a luminance signal, the color adjustment circuit comprises: a hue difference of the correspondence table, based on the hue signal hue corresponding to derive a difference signal; a first adder, the hue signal to the hue difference signal are added to a hue adjusted signal; saturated match the correspondence table based on the hue signal corresponding saturated obtain a match signal ; a first multiplier, the saturation signal and the multiplied signal is saturated match a first multiplication result; the luminance conversion table corresponds to a gain corresponding to derive a luminance signal according to the hue signal; a second multiplier , the gain of the luminance signal and the luminance signal is multiplied by a second multiplication result; the non-linear output correspondence table, obtain the upper limit of a luminance signal and a saturation limit signal corresponding to the luminance signal in accordance with the saturation signal; a first selection unit, generates a signal to adjust the saturation to the saturation limit signal according to the first multiplication result; and a second 选择单元,根据该亮度上限信号与该第二乘法结果而产生一调整后亮度信号。 Selection means, after generating a luminance signal according to the adjustment signal and the second upper limit luminance multiplication result.
  3. 3.如权利要求1所述的多媒体装置,其中该第四图像色彩数据包括一色相信号、一饱和度信号与一亮度信号,该色彩调整电路包括:该色相差异对应表,根据该色相信号以对应得出一色相差异信号; 一第二加法器,将该色相信号与该色相差异信号相加为一调整后色相信号; 该饱和匹配对应表,根据该色相信号以对应得出一饱和匹配信号; 一第三乘法器,将该饱和度信号与该饱和匹配信号相乘为一第三乘法结果; 该亮度转换对应表,根据该色相信号与该亮度信号以对应得出一亮度增益信号; 一第四乘法器,将该亮度信号与该亮度增益信号相乘为一第四乘法结果;该非线性输出对应表,根据该亮度信号与该饱和度信号而对应得出一亮度上限信号与一饱和度上限信号;一第三选择单元,根据该饱和度上限信号与该第三乘法结果而产生一调整后饱和度信 3. The multimedia device according to claim 1, wherein the fourth data comprises a color image signal hue, a saturation signal and a luminance signal, the color adjustment circuit comprises: a hue difference of the correspondence table, based on the hue signal hue corresponding to derive a difference signal; a second adder, the hue signal to the hue difference signal are added to a hue adjusted signal; saturated match the correspondence table based on the hue signal corresponding saturated obtain a match signal ; a third multiplier, the saturation signal and the multiplied signal is saturated match a third multiplication result; corresponding to the luminance conversion table based on the hue signal corresponding obtain a luminance signal and the gain of the luminance signal; a fourth multiplier, the gain of the luminance signal and the luminance signal is multiplied by a fourth multiplication result; correspondence table of the non-linear output, the luminance signal corresponding to the saturation limit signal according to derive a luminance signal and a saturated the upper limit of the signal; a third selection means, after generating an adjustment signal based on the upper limit of saturation and saturation multiplication result of the third channel ;以及一第四选择单元,根据该亮度上限信号与该第四乘法结果而产生一调整后亮度信号。 ; And a fourth selection means, after generating an adjustment signal based on the luminance limit fourth multiplication result to the luminance signal.
  4. 4.如权利要求1所述的多媒体装置,其中该第四图像色彩数据包括一色相信号、一饱和度信号与一亮度信号,该色彩调整电路包括:该色相差异对应表,根据该色相信号以对应得出一色相差异信号; 一第三加法器,将该色相信号与该色相差异信号相加为一调整后色相信号; 该饱和匹配对应表,根据该色相信号以对应得出一饱和匹配信号; 一第五乘法器,将该饱和度信号与该饱和匹配信号相乘为一第五乘法结果; 该亮度转换对应表,根据该色相信号与该亮度信号以对应得出一转换亮度信号; 该非线性输出对应表,根据该亮度信号与该饱和度信号而对应得出一亮度上限信号与一饱和度上限信号;一第五选择单元,根据该饱和度上限信号与该第五乘法结果而产生一调整后饱和度信号;以及一第六选择单元,根据该亮度上限信号与该转换亮度信号而产生 4. The multimedia device according to claim 1, wherein the fourth data comprises a color image signal hue, a saturation signal and a luminance signal, the color adjustment circuit comprises: a hue difference of the correspondence table, based on the hue signal hue corresponding to derive a difference signal; a third adder, the hue signal to the hue difference signal are added to a hue adjusted signal; saturated match the correspondence table based on the hue signal corresponding saturated obtain a match signal ; a fifth multiplier, the saturation signal and the multiplied signal is saturated match a fifth multiplication results; the luminance conversion correspondence table, converting a luminance signal obtained based on the hue signal corresponding to the luminance signal; the nonlinear output correspondence table, based on the luminance signal and the signal corresponding to the saturation limit derive a luminance signal and a saturation limit signal; a fifth selection unit generates the result according to the fifth multiplying the saturation limit signal a saturation adjustment signal; and a sixth selecting means, based on the upper limit of the luminance signal is generated with the converted luminance signal 调整后亮度信号。 Adjusting luminance signal.
  5. 5. 一种数字色彩调整装置,接收一驱动电路的一第一图像色彩数据,该数字色彩调整装置包括:一色彩转换电路,接收该第一图像色彩数据并进行色彩转换成一第二图像色彩数据; 一色相转换电路,接收该第二图像色彩数据并进行色相转换成一第三图像色彩数据; 一色彩调整电路,包括该色相差异对应表、该饱和匹配对应表、该亮度转换对应表与该非线性输出对应表,根据上述对应表对该第三图像色彩数据进行色彩调整成一第四图像色彩数据;一逆色相转换电路,接收该第四图像色彩数据并进行逆色相转换成一第五图像色彩数据;以及一逆色彩转换电路,接收该第五图像色彩数据并进行逆色彩转换成该第六图像色彩数据。 A digital color adjustment device, a drive circuit receiving a first color image data, the digital color adjustment device comprising: a color conversion circuit for receiving the color image data of a first color and a second image is converted into color data ; a hue conversion circuit to receive the second color image data is converted into a hue, and a third color image data; a color adjustment circuit, which comprises a hue difference correspondence table, the table matches the corresponding saturated, the luminance conversion table corresponds to the non- linear output correspondence table, based on the correspondence table to adjust the color to a fourth color image data of the third color image data; an inverse hue conversion circuit to receive the fourth color image data is converted into a hue and a fifth inverse color image data ; and an inverse color conversion circuit for receiving the color image data of the fifth and sixth inverse color conversion into the color image data.
  6. 6.如权利要求5所述的数字色彩调整装置,其中该第三图像色彩数据包括一色相信号、一饱和度信号与一亮度信号,该色彩调整电路包括:该色相差异对应表,根据该色相信号以对应得出一色相差异信号; 一第一加法器,将该色相信号与该色相差异信号相加为一调整后色相信号; 该饱和匹配对应表,根据该色相信号以对应得出一饱和匹配信号; 一第一乘法器,将该饱和度信号与该饱和匹配信号相乘为一第一乘法结果; 该亮度转换对应表,根据该色相信号以对应得出一亮度增益信号; 一第二乘法器,将该亮度信号与该亮度增益信号相乘为一第二乘法结果; 该非线性输出对应表,根据该亮度信号与该饱和度信号而对应得出一亮度上限信号与一饱和度上限信号;一第一选择单元,根据该饱和度上限信号与该第一乘法结果而产生一调整后饱和度信号;以 A digital color adjustment device as claimed in claim 5, wherein the third image data comprises a color hue signal, a saturation signal and a luminance signal, the color adjustment circuit comprises: a hue difference of the correspondence table, based on the hue derive a signal corresponding hue difference signal; a first adder, the hue signal to the hue difference signal are added to a hue adjusted signal; saturated match the correspondence table based on the hue signal corresponding to derive a saturated match signal; a first multiplier, the saturation signal and the multiplied signal is saturated match a first multiplication result; the luminance conversion table corresponds to a gain corresponding to derive a luminance signal according to the hue signal; a second a multiplier, the gain of the luminance signal and the luminance signal is multiplied by a second multiplication result; correspondence table of the non-linear output, the luminance signal and the signal corresponding to the saturation limit derive a luminance signal and a saturation limit in accordance with signal; a first selecting unit, to generate an adjusted after the first multiplication result according to the saturation limit signal saturation signal; to 一第二选择单元,根据该亮度上限信号与该第二乘法结果而产生一调整后亮度信号。 A second selecting means, after generating a luminance signal according to the adjustment signal and the second upper limit luminance multiplication result.
  7. 7.如权利要求5所述的数字色彩调整装置,其中该第三图像色彩数据包括一色相信号、一饱和度信号与一亮度信号,该色彩调整电路包括:该色相差异对应表,根据该色相信号以对应得出一色相差异信号; 一第二加法器,将该色相信号与该色相差异信号相加为一调整后色相信号; 该饱和匹配对应表,根据该色相信号以对应得出一饱和匹配信号; 一第三乘法器,将该饱和度信号与该饱和匹配信号相乘为一第三乘法结果; 该亮度转换对应表,根据该色相信号与该亮度信号以对应得出一亮度增益信号; 一第四乘法器,将该亮度信号与该亮度增益信号相乘为一第四乘法结果; 该非线性输出对应表,根据该亮度信号与该饱和度信号而对应得出一亮度上限信号与一饱和度上限信号;一第三选择单元,根据该饱和度上限信号与该第三乘法结果而产生一调整后饱 A digital color adjustment device as claimed in claim 5, wherein the third image data comprises a color hue signal, a saturation signal and a luminance signal, the color adjustment circuit comprises: a hue difference of the correspondence table, based on the hue derive a signal corresponding hue difference signal; a second adder, the hue signal to the hue difference signal are added to a hue adjusted signal; saturated match the correspondence table based on the hue signal corresponding to derive a saturated match signal; a third multiplier, the saturation signal and the multiplied signal is saturated match a third multiplication result; the luminance conversion correspondence table, based on the derived luminance signal and the hue signal corresponding to a luminance signal gain ; a fourth multiplier, the gain of the luminance signal and the luminance signal is multiplied by a fourth multiplication result; correspondence table of the non-linear output, derive a luminance signal of the luminance signal and the upper limit corresponding to saturation of the signal in accordance with a saturation limit signal; a third selection means, after generating an adjustment signal based on the upper limit of saturation and the full third multiplication result 度信号;以及一第四选择单元,根据该亮度上限信号与该第四乘法结果而产生一调整后亮度信号。 Of the signal; and a fourth selection means, after generating a luminance signal according to the luminance adjusting signal and the upper limit fourth multiplication result.
  8. 8.如权利要求5所述的数字色彩调整装置,其中该第三图像色彩数据包括一色相信号、一饱和度信号与一亮度信号,该色彩调整电路包括:该色相差异对应表,根据该色相信号以对应得出一色相差异信号; 一第三加法器,将该色相信号与该色相差异信号相加为一调整后色相信号; 该饱和匹配对应表,根据该色相信号以对应得出一饱和匹配信号; 一第五乘法器,将该饱和度信号与该饱和匹配信号相乘为一第五乘法结果; 该亮度转换对应表,根据该色相信号与该亮度信号以对应得出一转换亮度信号; 该非线性输出对应表,根据该亮度信号与该饱和度信号而对应得出一亮度上限信号与一饱和度上限信号;一第五选择单元,根据该饱和度上限信号与该第五乘法结果而产生一调整后饱和度信号;以及一第六选择单元,根据该亮度上限信号与该转换亮度信号 A digital color adjustment device as claimed in claim 5, wherein the third image data comprises a color hue signal, a saturation signal and a luminance signal, the color adjustment circuit comprises: a hue difference of the correspondence table, based on the hue derive a signal corresponding hue difference signal; a third adder, the hue signal to the hue difference signal are added to a hue adjusted signal; saturated match the correspondence table based on the hue signal corresponding to derive a saturated match signal; a fifth multiplier, the saturation signal and the multiplied signal is saturated match a fifth multiplication results; the luminance conversion correspondence table, converting a luminance signal obtained based on the hue signal and the luminance signal corresponding ; the non-linear output correspondence table, based on the luminance signal and the signal corresponding to the saturation limit derive a luminance signal and a saturation limit signal; a fifth selection means, the saturation limit signal according to the fifth multiplication result generating a saturation signal an adjusted; and a sixth selecting means, based on the upper limit of the luminance signal and the luminance signal converter 产生一调整后亮度信号。 After generating a luminance adjusting signal.
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