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A METHOD OF ADAPTIVE CONTRAST ENHANCEMENT USING HYPERLOIC TANGENT CURVE AND IMAGE HISTOGRAM
A METHOD OF ADAPTIVE CONTRAST ENHANCEMENT USING HYPERLOIC TANGENT CURVE AND IMAGE HISTOGRAM
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机译:利用双曲线切线和图像直方图进行自适应对比度增强的方法
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摘要
The present invention calculates an average luminance value for a read image, determines an image type based on the average luminance value, generates a contrast reference curve by applying a hyperbolic tangent function curve according to the determined image type, Use the reference curve to improve contrast.
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