采样一幅图.利用小波变根据二进制数(水印)来改变图片,提取其中一个子带的直方图.-a sampling plan. Using wavelet based binary variable (Watermark) to change the picture, which extraction of a subband histogram.
该程序封装了贝塞尔曲线的绘制方法――就是Graphics类的DrawBezier()方法。通过他一个不了解贝塞尔曲线数学背景的人都很容易绘制。-Bessel curve of the drawing method-- is the kind of DrawBezier Graphics () method. Through his ignorance Bessel curve of a mathematical background of the drawing is easy.