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188
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PG
2002
IEEE
15 years 11 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...
188
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RT
1998
Springer
15 years 10 months ago
1998
Springer
Most current image-based rendering methods operate under the assumption that all of the visible surfaces in the scene are opaque ideal diffuse (Lambertian) reflectors. This paper i...
144
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ICRA
2007
IEEE
16 years 11 days ago
2007
IEEE
Abstract— This paper describes a method of mirror localization to calibrate a catadioptric imaging system. Even though the calibration of a catadioptric system includes the estim...
156
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ICIP
2008
IEEE
16 years 15 days ago
2008
IEEE
We propose an algorithm for the binarization of document images degraded by uneven light distribution, based on the Markov Random Field modeling with Maximum A Posteriori probabil...
181
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CIARP
2009
Springer
16 years 19 days ago
2009
Springer
When we look at images taken from outdoor scenes, much of the information perceived is due to the ligthing conditions. In these scenes, the solar beams interact with the atmosphere...