Warning: file_put_contents(/www/wwwroot/ppbbu/6s-iso.com/cache/97021215ae5601180bfa8666fd8a1d68.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/6s-iso.com/index.php on line 55 天堂草原电视剧在线观看免费,麻豆精产国品一二三产区别,2021精品国产综合久久
A digital watermarking algorithm based on quadtree fractal coding. 一種基於四叉樹分形編碼的數(shù)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. 這種方法採用二值圖像的四叉樹表示方法實現(xiàn)圖像分割，圖像塊的尺寸可以動態(tài)調(diào)整。