Browsing Computer Science and Artificial Intelligence Lab (CSAIL) by Subject "illumination"
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How do Humans Determine Reflectance Properties under Unknown Illumination?
(2001-10-21)Under normal viewing conditions, humans find it easy to distinguish between objects made out of different materials such as plastic, metal, or paper. Untextured materials such as these have different surface reflectance ...
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Recognition of Surface Reflectance Properties from a Single Image under Unknown Real-World Illumination
(2001-10-21)This paper describes a machine vision system that classifies reflectance properties of surfaces such as metal, plastic, or paper, under unknown real-world illumination. We demonstrate performance of our algorithm for ...
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Surface Reflectance Recognition and Real-World Illumination Statistics
(2002-10-01)Humans distinguish materials such as metal, plastic, and paper effortlessly at a glance. Traditional computer vision systems cannot solve this problem at all. Recognizing surface reflectance properties from a single ...