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US07916219B2 System and method for dynamic gamma correction in digital video 有权
数字视频中动态伽马校正的系统和方法

System and method for dynamic gamma correction in digital video
Abstract:
A technique for improving image quality using dynamic gray scale correction, in one example embodiment, includes dynamically computing non-linear gamma curves using histogram data extracted from a current video frame. A gray scale correction is then dynamically applied to each pixel in the current or next video frame as a function of the computed non-linear gamma curves.
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