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HVEI
2010
15 years 2 months ago
No-reference image quality assessment based on localized gradient statistics: application to JPEG and JPEG2000
This paper presents a novel system that employs an adaptive neural network for the no-reference assessment of perceived quality of JPEG/JPEG2000 coded images. The adaptive neural ...
Hantao Liu, Judith Redi, Hani Alers, Rodolfo Zunin...
ICML
2004
IEEE
16 years 5 months ago
A multiplicative up-propagation algorithm
We present a generalization of the nonnegative matrix factorization (NMF), where a multilayer generative network with nonnegative weights is used to approximate the observed nonne...
Jong-Hoon Ahn, Seungjin Choi, Jong-Hoon Oh
CLUSTER
2008
IEEE
15 years 10 months ago
Predictive models for bandwidth sharing in high performance clusters
Abstract—Using MPI as communication interface, one or several applications may introduce complex communication behaviors over the network cluster. This effect is increased when n...
Jérôme Vienne, Maxime Martinasso, Jea...
ICPADS
2008
IEEE
15 years 10 months ago
Bootstrapping in Peer-to-Peer Systems
Peer-to-Peer systems have become a substantial element in computer networking. Distributing the load and splitting complex tasks are only some reasons why many developers have com...
Mirko Knoll, Arno Wacker, Gregor Schiele, Torben W...
IPPS
2007
IEEE
15 years 10 months ago
Simulating Red Storm: Challenges and Successes in Building a System Simulation
Supercomputers are increasingly complex systems merging conventional microprocessors with system on a chip level designs that provide the network interface and router. At Sandia N...
Keith D. Underwood, Michael Levenhagen, Arun Rodri...