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2010
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13 years 2 months ago
Efficient Compression of Encrypted Grayscale Images
—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...
Wei Liu, Wenjun Zeng, Lina Dong, Qiuming Yao
ICIP
2008
IEEE
14 years 6 months ago
Resolution-progressive compression of encrypted grayscale images
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...
Wei Liu, Wenjun Zeng, Lina Dong, Qiuming Yao
ICPR
2010
IEEE
13 years 2 months ago
Lossless ROI Medical Image Watermarking Technique with Enhanced Security and High Payload Embedding
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...
Malay Kumar Kundu, Sudeb Das