VC实现真彩色图像转换为8位图像，RGB三个波段的灰度通过一个线性变换式计算为单波段灰度。 -VC to achieve true color image is converted to 8-bit images, RGB three bands of gray calculated by a linear transformation of a single-band grayscale.

stegnography s hiding part of gray scale image within rgb image

简单的混沌加密，在网易云课堂听课，做的笔记，简单的几个混沌加密，数字水印混沌加密，混沌加密生成二值图像、灰度图像、RGB图像(Simple chaos encryption, in the netease cloud class, take notes, a few simple chaos encryption, digital watermark chaos encryption, chaos encryption generated binary image, gray image, RG