1053 search results - page 4 / 211 » Estimating Illumination Direction from Textured Images |
ICCV
2003
IEEE
14 years 10 months ago
2003
IEEE
We derive a new class of photometric invariants that can be used for a variety of vision tasks including lighting invariant material segmentation, change detection and tracking, a...
ECCV
2002
Springer
14 years 10 months ago
2002
Springer
This paper presents a novel scheme for locating multiple light sources and estimating their intensities from a pair of stereo images of a sphere. No prior knowledge of the location...
PG
2002
IEEE
14 years 1 months ago
2002
IEEE
We present a new method for the detection and estimation of multiple directional illuminants, using a single image of any object with known geometry and Lambertian reflectance. W...
ICPR
2010
IEEE
13 years 10 months ago
2010
IEEE
Abstract—A visual appearance of natural materials fundamentally depends on illumination conditions, which significantly complicates a real scene analysis. We propose textural fe...
ICIP
2007
IEEE
14 years 10 months ago
2007
IEEE
In this paper, we propose a method to incrementally superresolve 3D facial texture by integrating information frame by frame from a video captured under changing poses and illumin...