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Reflectance and Natural Illumination from a Single Image
Published on Nov 12, 20125944 Views
Estimating reflectance and natural illumination from a single image of an object of known shape is a challenging task due to the ambiguities between reflectance and illumination. Although there is an
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Chapter list
Reflectance and Natural Illumination from a Single Image00:00
Reflectance and Illumination Estimation00:00
Past Work on Reflectance and Illumination Recovery (1)00:58
Past Work on Reflectance and Illumination Recovery (2)01:05
Frequency Ambiguity01:39
Color Ambiguity02:26
Constraining Reflectance and Illumination02:45
Constraining Illumination: Natural Image Statistics (1)03:23
Constraining Illumination: Natural Image Statistics (2)03:44
Constraining Illumination: Entropy Increase Due to Reflectance04:04
Enforcing a Low-Entropy Illumination Estimate04:57
Constraining Reflectance: A Statistical Approach05:33
Color Ambiguity07:05
How many lights are there?07:56
Results: Synthetic08:48
Predicting the Appearance of Materials with Recovered Illumination09:39
Predicting Object Appearance from Different Views09:53
Results: Real-world (1)10:33
Results: Real-world (2)11:16
Successful Estimation through the Right Priors11:47
Source Code - Data12:26