The 4-source photometric stereo technique for three-dimensional surfaces in the presence of highlights and shadows

Title: The 4-source photometric stereo technique for three-dimensional surfaces in the presence of highlights and shadows
Creator(s): Barsky, Svetlana; Petrou, Maria
Date: 2003
Is Part Of: IEEE Transactions on Pattern Analysis and Machine Intelligence
Volume: 25
Issue: 10
Pages: 1239-1252
Language: eng
ISSN: 1939-3539
DOI: https://doi.org/10.1109/TPAMI.2003.1233898
URI: https://ieeexplore.ieee.org/document/1233898
Zotero BiDiAr: https://www.zotero.org/groups/5293298/bidiar/items/GV88JS6D/item-list
Abstract: We present an algorithm for separating the local gradient information and Lambertian color by using 4-source color photometric stereo in the presence of highlights and shadows. We assume that the surface reflectance can be approximated by the sum of a Lambertian and a specular component. The conventional photometric method is generalized for color images. Shadows and highlights in the input images are detected using either spectral or directional cues and excluded from the recovery process, thus giving more reliable estimates of local surface parameters.
cited by: Tecniche di modellazione 3D per una documentazione accurata delle incisioni rupestri: confronto tra Structure from Motion e stereofotometria

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