说明：  第十三章 MATLAB 图像增强 13.1 灰度变换增强 13.1.1 像素值及其统计特性 13.1.2 直方图灰度变换 13.1.3 直方图均衡化 13.1.4 直方图规定化 13.2 空域滤波增强 13.2.1 平滑滤波器 13.2.2 锐化滤波器 13.3 频域增强 13.3.1 低通滤波器 13.3.2 高通滤波器 13.3.3 同态滤波器 13.3.4 频域增强 MATLAB 实例 13.4 色彩增强 13.4.1 真彩色增强 13.4.2 伪彩色增强 13.5 小波增强
(Chapter XIII MATLAB image enhancement 13.1 pixel gray-scale transformation to enhance the value of 13.1.1 and 13.1.2 Histogram of the statistical characteristics of gray-scale transformation 13.1.3 histogram equalization histogram 13.1.4 provides enhanced filtering of 13.2 airspace 13.2.1 Smoothing 13.2.2 Filter 13.3 sharpening filter to enhance 13.3.1 Frequency Domain 13.3.2 Low-pass filter high-pass filter 13.3.3 Homomorphic filter to enhance MATLAB Frequency Domain 13.3.4 Examples 13.4 color enhanced 13.4.1 True Color 13.4.2 Enhanced Pseudocolor 13.5 wavelet enhanced enhanced)