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CCS
2009
ACM
16 years 7 months ago
Conditional proxy re-encryption secure against chosen-ciphertext attack
In a proxy re-encryption (PRE) scheme [4], a proxy, authorized by Alice, transforms messages encrypted under Alice's public key into encryptions under Bob's public key w...
Jian Weng, Robert H. Deng, Xuhua Ding, Cheng-Kang ...
CHI
2004
ACM
16 years 7 months ago
The temporal aspects of work for HCI
The general aim of the workshop is to explore the temporal aspects of work for Human-Computer Interaction (HCI). This position paper attempts to contribute to the exploration by p...
Peter J. Wild, Peter Johnson, Chris Roast, Mary Cz...
DCC
2008
IEEE
16 years 6 months ago
Drift Characterization of Intra Prediction and Quantization in H.264
The combination of intra prediction, transform, and quantization in the H.264/AVC video coding standard offers high compression performance in picture areas where inter prediction...
Athanasios Leontaris, Alexis M. Tourapis
CVPR
2010
IEEE
16 years 3 months ago
A New Texture Descriptor Using Multifractal Analysis in Multi-orientation Wavelet Pyramid
Based on multifractal analysis in wavelet pyramids of texture images, a new texture descriptor is proposed in this paper that implicitly combines information from both spatial and...
Yong Xu, Xiong Yang, Haibin Ling, Hui Ji
DCC
2010
IEEE
16 years 1 months ago
Estimation-Theoretic Delayed Decoding of Predictively Encoded Video Sequences
Current video coding schemes employ motion compensation to exploit the fact that the signal forms an auto-regressive process along the motion trajectory, and remove temporal redun...
Jingning Han, Vinay Melkote, Kenneth Rose