Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/3e900322e36d6caf9aa54e2452f9291b.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 singular mapping例句_singular mapping英汉例句_singular mapping双解例句_欧米惠必应词典
Thirdly, a novel fragile watermarking scheme based on SVD (Singular Value Decomposition) and chaotic mapping is proposed. 提出了一种基于SVD（奇异值分解）和混沌映射的图像易碎水印方案。