Histogram is one of the most important basic concepts in the image processing and it can availably used for image enhancement.
直方图是图像处理中最重要的基本概念之一，它能有效地用于图像增强。
2
Analyzing the histogram of image is a useful method in image processing.
分析图像的直方图是图像处理中的一种常见的方法。
3
Statistics histogram data processing scheme is designed. Standard deviation of frequency modulation is found out according to normal distribution characteristics.