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AFRICACRYPT
2008
Springer
15 years 3 months ago
An (Almost) Constant-Effort Solution-Verification Proof-of-Work Protocol Based on Merkle Trees
Proof-of-work schemes are economic measures to deter denial-of-service attacks: service requesters compute moderately hard functions the results of which are easy to check by the ...
Fabien Coelho
VIP
2003
15 years 3 months ago
Relevance Feedback for Content-Based Image Retrieval Using Bayesian Network
Relevance feedback is a powerful query modification technique in the field of content-based image retrieval. The key issue in relevance feedback is how to effectively utilize the ...
Jing Xin, Jesse S. Jin
ARITH
1999
IEEE
15 years 6 months ago
Correctness Proofs Outline for Newton-Raphson Based Floating-Point Divide and Square Root Algorithms
This paper describes a study of a class of algorithms for the floating-point divide and square root operations, based on the Newton-Raphson iterative method. The two main goals we...
Marius A. Cornea-Hasegan, Roger A. Golliver, Peter...
ISBI
2002
IEEE
15 years 6 months ago
Segmentation-free statistical image reconstruction for polyenergetic X-ray computed tomography
This paper describes a statistical iterative reconstruction method for X-ray CT based on a physical model that accounts for the polyenergetic X-ray source spectrum and the measure...
Idris A. Elbakri, Jeffrey A. Fessler
HPCC
2007
Springer
15 years 8 months ago
A Block JRS Algorithm for Highly Parallel Computation of SVDs
This paper presents a new algorithm for computing the singular value decomposition (SVD) on multilevel memory hierarchy architectures. This algorithm is based on one-sided JRS iter...
Mostafa I. Soliman, Sanguthevar Rajasekaran, Reda ...