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Reflectance and Natural Illumination from a Single Image
Published on Feb 4, 20255955 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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Presentation
Reflectance and Natural Illumination from a Single Image00:00
Reflectance and Illumination Estimation03:56
Past Work on Reflectance and Illumination Recovery (1)16:20:20
Past Work on Reflectance and Illumination Recovery (2)18:11:01
Frequency Ambiguity27:37:02
Constraining Reflectance and Illumination45:56:04
Constraining Illumination: Natural Image Statistics (1)56:39:10
Constraining Illumination: Natural Image Statistics (2)62:29:11
Constraining Illumination: Entropy Increase Due to Reflectance67:47:19
Enforcing a Low-Entropy Illumination Estimate82:44:35
Constraining Reflectance: A Statistical Approach92:34:38
Color Ambiguity118:17:10
How many lights are there?132:21:54
Results: Synthetic146:55:27
Predicting the Appearance of Materials with Recovered Illumination161:02:59
Predicting Object Appearance from Different Views164:59:33
Results: Real-world (1)176:04:11
Results: Real-world (2)187:47:27
Successful Estimation through the Right Priors196:25:53
Source Code - Data207:16:08