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False contour reduction device, display device, false contour reduction method, and false contour reduction program
False contour reduction device, display device, false contour reduction method, and false contour reduction program
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机译:错误轮廓减少装置,显示装置,错误轮廓减少方法以及错误轮廓减少程序
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摘要
A false contour reduction device reduces the occurrence of false contours on a display screen. The false contour reduction device includes a false contour occurrence pixel detection circuit, a specific color pixel detection circuit, and a false contour reduction processing circuit. The false contour occurrence pixel detection circuit detect at which pixels false contours will occur among the pixels in an image based on the input image signal. The detected pixels are false-contour-occurring pixels. The specific color pixel detection circuit detects pixels which have a specific color within a specific color range, among the false-contour-occurring pixels. The detected pixels are specific color false-contour-occurring pixels. The false contour reduction processing circuit performs a false contour reducing process on the specific color false-contour-occurring pixels.
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