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Intrinsic Images by Clustering

Abstract : Decomposing an input image into its intrinsic shading and reflectance components is a long-standing ill-posed problem. We present a novel algorithm that requires no user strokes and works on a single image. Based on simple assumptions about its reflectance and luminance, we first find clusters of similar reflectance in the image, and build a linear system describing the connections and relations between them. Our assumptions are less restrictive than widely-adopted Retinex-based approaches, and can be further relaxed in conflicting situations. The resulting system is robust even in the presence of areas where our assumptions do not hold. We show a wide variety of results, including natural images, objects from the MIT dataset and texture images, along with several applications, proving the versatility of our method.
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https://hal.inria.fr/hal-00761400
Contributor : Jorge Lopez-Moreno <>
Submitted on : Thursday, December 6, 2012 - 5:22:02 PM
Last modification on : Thursday, February 14, 2019 - 3:33:33 PM
Long-term archiving on: : Thursday, March 7, 2013 - 3:56:37 AM

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Elena Garces, Adolfo Munoz, Jorge Lopez-Moreno, Diego Gutiérrez. Intrinsic Images by Clustering. Computer Graphics Forum, Wiley, 2012, Rendering 2012, 31 (4), pp.1415-1425. ⟨10.1111/j.1467-8659.2012.03137.x⟩. ⟨hal-00761400⟩

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