Referenced Items are not available for this document.
Studies the recovery of shape from texture under perspective projection. We regard shape from texture as a statistical estimation problem, the texture being the realization of a stochastic process. We introduce warplets, which generalize wavelets over the 2D affine group. At fine scales, the warpogram of the image obeys a transport equation, called texture gradient equation. In order to recover the 3D shape of the surface, one must estimate the deformation gradient, which measures metric changes in the image. This is made possible by imposing a notion of homogeneity for the original texture, according to which the deformation gradient is equal to the velocity of the texture gradient equation. By measuring the warplet transform of the image at different scales, we obtain a deformation gradient estimator
Published in:
Pattern Analysis and Machine Intelligence, IEEE Transactions on
(Volume:24
,
Issue:
4
)
Date of Publication: Apr 2002
- Page(s):
- 536 - 549
- ISSN :
- 0162-8828
- INSPEC Accession Number:
- 7234905
- Digital Object Identifier :
- 10.1109/34.993560
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 07 August 2002
- Issue Date :
- Apr 2002
- Sponsored by :
- IEEE Computer Society
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