The most important secret messages are hidden in intermediate frequency, which can resist normal JPEG compressing attack.
最重要秘密信息隐藏在中频,能够抵抗正常的JPEG压缩攻击。
The paper analyzed the JPEG compressing method with losing information and several classical methods of edge distilling in brief.
简要分析了有损JPEG压缩算法和几种经典的边缘提取算法;
This makes JPEG very poor for compressing text that needs to remain readable.
这使得JPEG非常不适于压缩需要保持字迹清晰的文本。
In the direction of this scheme, a watermark algorithm is proposed which can resist the JPEG lossy compressing and images uniting question. The test results prove its both characters.
在该方案的指导下,提出了一种抗jpeg压缩和图像合并的水印算法,通过试验,证明该算法具有很强的抗压缩性和抗合并性。
This paper adopts NLEMD to decompose images, and, at the same time, proposes a new multi-layered image compressing approach based on JPEG which is the most popular image compression standard.
采用NLEMD算法进行图像分解,并基于当前普遍使用的JPEG图像压缩标准提出了数字图像分层压缩的算法。
This paper adopts NLEMD to decompose images, and, at the same time, proposes a new multi-layered image compressing approach based on JPEG which is the most popular image compression standard.
采用NLEMD算法进行图像分解,并基于当前普遍使用的JPEG图像压缩标准提出了数字图像分层压缩的算法。
应用推荐