A system with adaptive saturation adjustment, the system comprising: a luminance value extracting unit to extract luminance values of an image; a first color converting unit to convert an input image, represented by coordinate values in a first color space, into the image, represented by coordinate values in a second color space; a saturation component extracting unit to extract saturation components from the image; and a saturation adjusting unit to selectively adjust respective saturation components of select portions of the image based on the extracted luminance values; further comprising that the extracted luminance values include an average luminance value of the image and pixel luminance values of respective pixels within the image; and the saturation adjusting unit comprises: an image-based saturation adjusting unit to determine a first saturation adjustment value based on the average luminance value and to set the first saturation adjustment value to be in direct proportion to the average luminance value; a pixel-based saturation adjusting unit to determine a second saturation adjustment value based on a respective pixel luminance value and to set the second saturation adjustment value to be in direct proportion to the respective pixel luminance value; and a saturation component synthesizing unit to modify each of the saturation components of the input image based on the first saturation adjustment value and the second saturation adjustment value; wherein the saturation component synthesizing unit is configured to calculate the modified saturation components as Output _ Si = Input _ Si + Δ Si + Δ Sall where Output_Si represents the modified saturation component, being a final saturation value for each pixel making up the input image, lnput_Si represents an input saturation value of each pixel extracted from the converted image by the saturation component extracting unit, ΔSall represents the first saturation adjustment value as determined by the image-based saturation adjusting unit, and ΔSi represents the second saturation adjustment value as determined by the pixel-based saturation adjusting unit. a luminance value extracting unit to extract luminance values of an image; a first color converting unit to convert an input image, represented by coordinate values in a first color space, into the image, represented by coordinate values in a second color space; a saturation component extracting unit to extract saturation components from the image; and a saturation adjusting unit to selectively adjust respective saturation components of select portions of the image based on the extracted luminance values; further comprising that the extracted luminance values include an average luminance value of the image and pixel luminance values of respective pixels within the image; and the saturation adjusting unit comprises: an image-based saturation adjusting unit to determine a first saturation adjustment value based on the average luminance value and to set the first saturation adjustment value to be in direct proportion to the average luminance value; a pixel-based saturation adjusting unit to determine a second saturation adjustment value based on a respective pixel luminance value and to set the second saturation adjustment value to be in direct proportion to the respective pixel luminance value; and a saturation component synthesizing unit to modify each of the saturation components of the input image based on the first saturation adjustment value and the second saturation adjustment value; an image-based saturation adjusting unit to determine a first saturation adjustment value based on the average luminance value and to set the first saturation adjustment value to be in direct proportion to the average luminance value; a pixel-based saturation adjusting unit to determine a second saturation adjustment value based on a respective pixel luminance value and to set the second saturation adjustment value to be in direct proportion to the respective pixel luminance value; and a saturation component synthesizing unit to modify each of the saturation components of the input image based on the first saturation adjustment value and the second saturation adjustment value; wherein the saturation component synthesizing unit is configured to calculate the modified saturation components as Output _ Si = Input _ Si + Δ Si + Δ Sall where Output_Si represents the modified saturation component, being a final saturation value for each pixel making up the input image, lnput_Si represents an input saturation value of each pixel extracted from the converted image by the saturation component extracting unit, ΔSall represents the first saturation adjustment value as determined by the image-based saturation adjusting unit, and ΔSi represents the second saturation adjustment value as determined by the pixel-based saturation adjusting unit.