说明：佛洛伊德方法用二值模型来形成多灰度图像的真实效果，希望分享-Digital halftoning is the process of converting a continuous-tone images into strictly black and white images such that,...

matlab

说明：在Contourlet变换的基础上发展而来的非下采样Contourlet变换，可以得到图像变换之后的平移不变性。

contourlet-nsct nsct nsct-matlab quadtree halftoning