Alternative approach to the shape from shading problem
β Scribed by V. S. Fain
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 597 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0899-9457
No coin nor oath required. For personal study only.
β¦ Synopsis
The shape from shading procedure is not the only way to interpret the grey-scale image of a surface independently on illumination conditions. An alternative approach is reported that considers a new surface as an unknown combination of fragments of known shapes, those shapes offering certain invariances to the illumination changeability.
π SIMILAR VOLUMES
The regularization term used in the cost function of the shape from shading (SFS) problem is necessary to make the problem well-posed . However, it has the disadvantage of producing excessive smoothing of the surface even at places where the gradient of the surface slope is very high . 7n overcome t
## Abstract The sequential simplex optimization algorithm has been translated into nonβEuclidean space. A study of the algorithm in this space suggests that the path of convergence of the simplex depends on the properties of the space so that different convergence paths can be obtained even with th