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Color discrimination problems in digital TV systems

Color image artifacts become strongly noticeable as TV screens such as LCD flat panels or plasma displays grow in size and as consumers reach a higher level of image quality perception. At first we introduce you to visually noticeable color artifacts present in current digital TV systems, then we show how well they can be discriminated in different color spaces such as RGB or CIELAB and characterize their components. We also found a re-synthesized artifact helpful to elaborate an algorithm that reduces noticeable color artifacts to a level below the threshold of visual perception with regard to a reduced viewing distance.