The variational approach to shape from shading
Computer Vision, Graphics, and Image Processing
Computer Vision, Graphics, and Image Processing
Inferring Surface Trace and Differential Structure from 3-D Images
IEEE Transactions on Pattern Analysis and Machine Intelligence
Shape from shading
Height and gradient from shading
International Journal of Computer Vision
CVGIP: Image Understanding
Surface shape and curvature scales
Image and Vision Computing
Shape Spectrum Based View Grouping and Matching of 3D Free-Form Objects
IEEE Transactions on Pattern Analysis and Machine Intelligence
What is the set of images of an object under all possible lighting conditions?
CVPR '96 Proceedings of the 1996 Conference on Computer Vision and Pattern Recognition (CVPR '96)
Appearance-Based Object Recognition Using Shape-From-Shading
ICPR '98 Proceedings of the 14th International Conference on Pattern Recognition-Volume 1 - Volume 1
IJCAI'85 Proceedings of the 9th international joint conference on Artificial intelligence - Volume 2
| Hi-index | 0.00 |
This paper demonstrates how a new shape form shading scheme can be used to extract topographic information from 2D intensity imagery. The shape-from-shading scheme has two novel ingredients. Firstly, it uses a geometric update procedure which allows the image irradiance equation to be satisfied as a hard-constraint. This not only improves the data-closeness of the recovered needle-map, but also removes the necessity for extensive parameter tuning. Secondly, we use curvature information to impose topographic constraints on the recovered needlemap. The topographic information is captured using the shape-index of Koenderink and van Doorn [14] and consistency is imposed using a robust error function. We show that the new shape-from-shading scheme leads to a meaningful topographic labelling of 3D surface structures.