Method and apparatus for determining reflectance data of a...

Details Method and apparatus for determining reflectance data of a... Method and apparatus for determining reflectance data of a...

2007-02-12

2010-11-09

Toatley, Jr., Gregory J (Department: 2877)

Optics: measuring and testing

Of light reflection

With diffusion

C356S445000

Reexamination Certificate

active

07830522

ABSTRACT:
An apparatus for obtaining reflectance data of an object includes a diffuser having a surface. The apparatus includes a mapping portion that effects a mapping between a light field at the object's surface and a light field at the diffuser surface for BRDF capture of the object. A method for obtaining reflectance data usable to determine a plurality of values of the BRDF of an object. The method includes the steps of illuminating the object. There is the step of effecting a mapping between a light field at the object's surface and a light field at a diffuser surface for BRDF capture of the object with a mapping portion. An apparatus and a method for measuring an 8D reflectance field of an object or a 3D object.

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