11 search results - page 1 / 3 » Efficient Compression of Encrypted Grayscale Images |
TIP
2010
13 years 9 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
15 years 17 days 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
15 years 12 days 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 8 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
14 years 8 days 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...