基于扩频的水印技术算法，用VC++实现，各种算法dct变换域、小波域算法-based on spread-spectrum technology watermark algorithm, with VC, algorithms Extra transform domain, wavelet domain algorithm

SVGA图形扩展库示例#include <stdlib.h>,#include <conio.h>,#include "svgacc.h"-SVGA extra-graph interface case #include <stdlib.h>,#include <conio.h>,#include "svgacc.h"