histogram modification

基本解释

In order to improve quality of star image, grayscale transform and histogram modification is used to star image processing.
利用灰度变换和直方图修正法对星图进行增强处理，均能有效地改善图像的质量。
The traditional image enhancement approaches include gray-scale transformation, histogram modification, histogram equalization, image smoothing and Wiener filtration.
传统的图像增强方法有灰度变换、直方图修正、直方图均衡、图像平滑和维纳滤波。
The region histogram equalization is different from traditional histogram modification technology, the idea is based on human vision character and edge effect in image vision.
区域间直方图均衡不同于传统的直方图修正技术，该思想是充分地考虑到人类的视觉特性和边缘在图像视觉中的作用而提出的。