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AUTOMATIC DETECTION AND CORRECTION OF PURPLE FRINGING USING THE GRADIENT INFORMATION AND DESATURATION

机译:使用梯度信息和去饱和自动检测和校正紫色流苏

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This paper proposes a method to automatically detect and correct purple fringing that is one of the color artifacts due to characteristics of charge coupled device sensors in a digital camera. The proposed method consists of two steps. In the first step, we detect purple fringed regions that satisfy specific properties: hue characteristics around highlight regions with large gradient magnitudes. In the second step, color correction of the purple fringed regions is made by desaturating the pixels in the detected regions. The proposed method is able to detect purple fringe artifacts more precisely than Kang's method. It can be used as a post processing in a digital camera.
机译:本文提出了一种自动检测和校正紫色环绕的方法,该方法是由于数码相机中的电荷耦合器件传感器的特性引起的彩色伪影之一。所提出的方法包括两个步骤。在第一步中,我们检测满足特定性质的紫色束缚区域:具有大梯度大小的高亮区周围的色调特性。在第二步骤中,通过去腐蚀检测到的区域中的像素来制造紫色边纹区域的颜色校正。该方法能够比kang的方法更精确地检测紫色条纹伪像。它可以用作数码相机中的后处理。

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