Shape from texture: estimation of planar surface orientation through the ridge surfaces of continuous wavelet transform

Authors:
W. L. Hwang;Chun-Shien Lu;Pau-Choo Chung
Affiliations:
Inst. of Inf. Sci., Acad. Sinica, Taipei;-;-
Venue:
IEEE Transactions on Image Processing
Year:
1998

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Abstract

In this correspondence, a method is proposed for estimating the surface orientation of a planar texture under perspective projection based on the ridge of a two-dimensional (2-D) continuous wavelet transform (CWT). We show that an analytical solution of the surface orientation can be derived from the scales of the ridge surface. A comparative study with an existing method is given