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» The Nature of Noise
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NIPS
2008
14 years 19 days ago
Signal-to-Noise Ratio Analysis of Policy Gradient Algorithms
Policy gradient (PG) reinforcement learning algorithms have strong (local) convergence guarantees, but their learning performance is typically limited by a large variance in the e...
John W. Roberts, Russ Tedrake
TIP
2010
113views more  TIP 2010»
13 years 6 months ago
Multiplicative Noise Removal Using Variable Splitting and Constrained Optimization
Multiplicative noise (also known as speckle noise) models are central to the study of coherent imaging systems, such as synthetic aperture radar and sonar, and ultrasound and laser...
José M. Bioucas-Dias, Mário A. T. Fi...
DOCENG
2009
ACM
14 years 5 months ago
Web document text and images extraction using DOM analysis and natural language processing
: © Web Document Text and Images Extraction using DOM Analysis and Natural Language Processing Parag Mulendra Joshi, Sam Liu HP Laboratories HPL-2009-187 Web page text extraction,...
Parag Mulendra Joshi, Sam Liu
IUI
2011
ACM
13 years 2 months ago
ChemInk: a natural real-time recognition system for chemical drawings
We describe a new sketch recognition framework for chemical structure drawings that combines multiple levels of visual features using a jointly trained conditional random field. ...
Tom Y. Ouyang, Randall Davis
GLVLSI
2009
IEEE
142views VLSI» more  GLVLSI 2009»
14 years 6 months ago
Hardware-accelerated gradient noise for graphics
A synthetic noise function is a key component of most computer graphics rendering systems. This pseudo-random noise function is used to create a wide variety of natural looking te...
Josef B. Spjut, Andrew E. Kensler, Erik Brunvand