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ICISC
2007
97views Cryptology» more  ICISC 2007»
15 years 3 months ago
New Local Collisions for the SHA-2 Hash Family
The starting point for collision attacks on practical hash functions is a local collision. In this paper, we make a systematic study of local collisions for the SHA-2 family. The p...
Somitra Kumar Sanadhya, Palash Sarkar
AAAI
2010
15 years 3 months ago
Compressing POMDPs Using Locality Preserving Non-Negative Matrix Factorization
Partially Observable Markov Decision Processes (POMDPs) are a well-established and rigorous framework for sequential decision-making under uncertainty. POMDPs are well-known to be...
Georgios Theocharous, Sridhar Mahadevan
105
Voted
ICPR
2004
IEEE
16 years 3 months ago
Motion Analysis Using Frame Differences with Spatial Gradient Measures
The paper considers making inferences about the underlying true 2-D motion when only evaluations of a local block-based cost function, the mean of absolute or squared differences,...
Pekka Sangi, Janne Heikkilä, Olli Silvé...
133
Voted
CVPR
2006
IEEE
16 years 4 months ago
Improving Border Localization of Multi-Baseline Stereo Using Border-Cut
This paper presents a novel algorithm that improves the localization of disparity discontinuities of disparity maps obtained by multi-baseline stereo. Rather than associating a di...
Marc-Antoine Drouin, Martin Trudeau, Sébast...
GLOBECOM
2009
IEEE
15 years 5 months ago
Localization Using Radial Basis Function Networks and Signal Strength Fingerprints in WLAN
Abstract—Fingerprinting localization techniques provide reliable location estimates and enable the development of location aware applications especially for indoor environments, ...
Christos Laoudias, Paul Kemppi, Christos G. Panayi...