histogram specification

基本解释

Objective To employ an improved Exact Histogram Specification for contrast enhancement of medical ultrasonic images.
目的探求一种改进的精确直方图规格化方法，提高医学超声图像的对比度。
The image enchancement based on histogram equalization and specification can improve the contrast details and the dynamic range of gray level of the image.
基于直方图均衡化和规定化处理的图像增强技术，能有效地改善图像的对比度和灰度动态范围。
Histogram specification can change the histogram of image into an specific form, and it can enhance the image of one gray range , so as to give the information that users interested in.
在对比指纹图像的灰度直方图增强的技术的基础上，针对均衡化算法的不足和现有直方图规定化算法中映射规则计算量大的情形，提出一种改进的规定化算法。