实现图像增强功能包括灰度线性非线性变换，直方图拉伸，伪彩色增强-The realization of image enhancement features include linear gray-scale non-linear transform, histogram stretching, pseudo-color enhanced

一段较为完整的图像处理程序,实现图像显示,图像增强-A relatively complete image processing procedures, the realization of image display, image enhancement