| Our understanding of Lambertian (diffuse reflectance) objects is rich. Lambertian objects have very specific properties that make a lot of computer vision problems possible. This is, in part, due to the observability of geometric features from images of such objects. However, the same cannot be said for mirrors. Charting the range of reflectances, at one end, while we have immense knowledge of Lambertian objects including computational tools to handle them, we have limited tools and understanding of how to handle specular (part diffuse and part mirror) and even less so for objects that exhibit pure mirror reflectance. This line of research seeks to develop theory and practical methods and tools for handling mirrors, with the eventual goal of being able to handle objects with arbitrary reflectance properties. |
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Image Invariants for Smooth Reflective Surfaces Aswin C. Sankaranarayanan, Ashok Veeraraghavan, Oncel Tuzel, and Amit Agrawal ECCV 2010 |
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Specular Surface Reconstruction from Sparse Reflection Correspondences Aswin C. Sankaranarayanan, Ashok Veeraraghavan, Oncel Tuzel, and Amit Agrawal CVPR 2010 |