A digital watermarking algorithm based on quadtree fractal coding. 一種基于四叉樹(shù)分形編碼的數字水印算法。
The method separates a binary image by means of the quadtree method while the image size can be dynamically changed. 這種方法采用二值圖像的四叉樹(shù)表示方法實(shí)現圖像分割,圖像塊的尺寸可以動(dòng)態(tài)調整。