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AVSS
2009
IEEE
14 years 3 months ago
Combination of Roadside and In-vehicle Sensors for Extensive Visibility Range Monitoring
—Fog is a local meteorological phenomena which drastically reduces the visibility range. Fog detection and visibility range estimation are critical tasks for road operators who n...
Nicolas Hautière, Abderrahmane Boubezoul
ICIP
2010
IEEE
13 years 7 months ago
A no-reference Blocking Artifacts Visibility Estimator in images
In this paper, we present a new low-complexity no-reference metric that assesses the visibility of blocking artifacts in DCT-coded images. The metric works in the spatial domain a...
Gilbert Yammine, Eugen Wige, André Kaup
CVPR
2006
IEEE
14 years 11 months ago
Visible Surface Reconstruction from Normals with Discontinuity Consideration
Given a dense set of imperfect normals obtained by photometric stereo or shape from shading, this paper presents an optimization algorithm which alternately optimizes until conver...
Tai-Pang Wu, Chi-Keung Tang
SI3D
2009
ACM
14 years 3 months ago
Hair self shadowing and transparency depth ordering using occupancy maps
This paper presents a method for quickly constructing a highquality approximate visibility function for high frequency semitransparent geometry such as hair. We can then reconstru...
Erik Sintorn, Ulf Assarsson
JGTOOLS
2006
107views more  JGTOOLS 2006»
13 years 9 months ago
Efficient Shadows for Sampled Environment Maps
This paper addresses the problem of efficiently calculating shadows from environment maps in the context of ray-tracing. Since accurate rendering of shadows from environment maps ...
Aner Ben-Artzi, Ravi Ramamoorthi, Maneesh Agrawala