Image irradiance harmonics: a phenomenological model of image irradiance of arbitrary surface reflectance

Phenomenological appearance models capture surface appearance through mathematical modelling of the reflection process. Theoretically, the space of all possible images of a fixed-pose object under all possible illumination conditions is infinite dimensional. Nonetheless, because of their low-frequen...

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Veröffentlicht in:	IET computer vision 2014-10, Vol.8 (5), p.365-381
Hauptverfasser:	Elhabian, Shireen Y, Farag, Aly A
Format:	Artikel
Sprache:	eng
Schlagworte:	arbitrary distant illumination arbitrary surface reflectance basis function Basis functions electromagnetic wave reflection electromagnetic wave scattering fixed pose object frequency space general illumination Harmonics Illumination illumination condition image formation process image irradiance harmonics image representation Irradiance irradiance signal represention isotropic surface reflectance mathematical modelling Mathematical models orthogonal irradiance basis phenomenological appearance model physical hemispherical basis compliance pose estimation Reflectance reflection process Reflectivity specular materials subsurface scattering surface emittance surface point
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