Abstract: A method for shape and material recovery of an object observed under a moving camera by detecting a change in image intensity induced by motion to corresponding variation in surface geometry and dichromatic reflectance; receiving a sequence of three camera motions to yield a linear system that decouples shape and bidirectional reflectance distribution functions (BRDFs) terms; applying linearities in differential stereo relations to recover shape from camera motion cues, with unknown lighting and dichromatic BRDFs; and recovering unknown shape and reflectance of the object with dichromatic BRDF, using camera motion cues.

Abstract: A method for shape and material recovery from motion includes modeling the correct dichromatic dependence of surface reflectance on surface normal, lighting and viewing directions to derive a differential flow relation; determining a rank deficiency in a sequence of differential flow relations and using the rank deficiency to handle complex bidirectional reflectance distribution functions (BRDFs); estimating BRDF-derivatives from the differential flow relations to recover the complex BRDF; and reconstructing depth of objects without knowledge of the BRDFs for joint shape and material recovery.

Abstract: A method for shape and material recovery from motion includes modeling the correct dichromatic dependence of surface reflectance on surface normal, lighting and viewing directions to derive a differential flow relation; determining a rank deficiency in a sequence of differential flow relations and using the rank deficiency to handle complex bidirectional reflectance distribution functions (BRDFs); estimating BRDF-derivatives from the differential flow relations to recover the complex BRDF; and reconstructing depth of objects without knowledge of the BRDFs for joint shape and material recovery.

Abstract: A method for shape and material recovery of an object observed under a moving camera by detecting a change in image intensity induced by motion to corresponding variation in surface geometry and dichromatic reflectance; receiving a sequence of three camera motions to yield a linear system that decouples shape and bidirectional reflectance distribution functions (BRDFs) terms; applying linearities in differential stereo relations to recover shape from camera motion cues, with unknown lighting and dichromatic BRDFs; and recovering unknown shape and reflectance of the object with dichromatic BRDF, using camera motion cues.