Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5027
Title: Analysis and synthesis of multicolored objects in a single image
Authors: Shen, HL
Xin, JH 
Keywords: Algorithms
Color
Computer simulation
Error analysis
Interpolation
Light reflection
Synthesis (chemical)
Watersheds
Issue Date: 15-Sep-2005
Publisher: Optical Society of America
Source: Optics letters, 15 Sept. 2005, v. 30, no. 18, p. 2378-2380 How to cite?
Journal: Optics letters 
Abstract: We present a method with which to recover the intrinsic shading and reflectance characteristics of multicolored three-dimensional objects in a single image, with which realistic new scenes can be synthesized. A color watershed algorithm, which is based on a regularized dichromatic fitting error, is proposed for robust image segmentation. For shading recovery in small regions, a weighted interpolation is employed, whereas in large regions the reflectance and shading are calculated based on the assumption of gradual shape variation. It is demonstrated that the proposed method is promising and can be applied in image simulation.
URI: http://hdl.handle.net/10397/5027
ISSN: 0146-9592
DOI: 10.1364/OL.30.002378
Rights: © 2005 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-18-2378. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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