Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/1b27fa9cd5bdc5df1700a2e304d25082.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 singular mapping例句_singular mapping英汉例句_singular mapping双解例句_零六五六深蓝词典
Thirdly, a novel fragile watermarking scheme based on SVD (Singular Value Decomposition) and chaotic mapping is proposed. 提出了一種基於SVD（奇異值分解）和混沌映射的圖像易碎水印方案。