11 search results - page 1 / 3 » Efficient Compression of Encrypted Grayscale Images |
TIP
2010
13 years 2 months ago
2010
—Lossless compression of encrypted sources can be achieved through Slepian-Wolf coding. For encrypted real-world sources such as images, the key to improve the compression effici...
ICIP
2008
IEEE
14 years 6 months ago
2008
IEEE
Compression of encrypted data can be achieved by employing Slepian-Wolf coding (SWC). However, how to efficiently exploit the source dependency in an encrypted colored signal such...
ICIP
1999
IEEE
14 years 6 months ago
1999
IEEE
This paper presents an iterative algorithm for approximating gray-scale images with adaptive triangular meshes ensuring a given tolerance. At each iteration, the algorithm applies...
ICPR
2010
IEEE
13 years 2 months ago
2010
IEEE
In this article, a new fragile, blind, high payload capacity, ROI (Region of Interest) preserving Medical image watermarking (MIW) technique in the spatial domain for grayscale med...
IPCV
2007
13 years 6 months ago
2007
- In this paper a Discrete Wavelet Transform based blind watermarking algorithm is proposed for embedding a grayscale watermark into a grayscale image. A new approach of choosing t...