Estimation of 3-D shape from shading by using a constraint at zero-crossing.
Manas SangworasilKouichi KojimaKiyoaki AtsutaShozo KondoPublished in: Systems and Computers in Japan (1991)
Keyphrases
- shape from shading
- zero crossing
- shape estimation
- reflectance map
- surface normals
- light source
- scale space
- photometric stereo
- single image
- provably convergent
- point light source
- edge detection
- edge detector
- parameter estimation
- image intensity
- intensity images
- high quality
- gray level
- gray scale images
- wavelet transform
- image processing
- feature selection