TVCG
2011
13 years 6 months ago
2011
—This paper presents a study of gradient estimation methods for rendering unstructured-mesh volume data. Gradient estimation is necessary for rendering shaded isosurfaces and spe...
ISCAS
2008
IEEE
14 years 5 months ago
2008
IEEE
Abstract— Recently, a delay-insensitive architecture for gradient descent adaptive control, based on parallel synchronous detection for model-free gradient estimation was present...
CEC
2009
IEEE
14 years 6 months ago
2009
IEEE
Abstract— The role of gradient estimation in global optimization is investigated. The concept of a regional gradient is introduced as a tool for analyzing and comparing different...