The variational approach to shape from shading
Computer Vision, Graphics, and Image Processing
Height and gradient from shading
International Journal of Computer Vision
Uniqueness in shape from shading
International Journal of Computer Vision
Surface Reflection: Physical and Geometrical Perspectives
IEEE Transactions on Pattern Analysis and Machine Intelligence
IEEE Transactions on Pattern Analysis and Machine Intelligence
Terrain Analysis Using Radar Shape-from-Shading
IEEE Transactions on Pattern Analysis and Machine Intelligence
Optimization of DTM Interpolation Using SFS with Single Satellite Imagery
The Journal of Supercomputing
Shape-from-Shading Under Perspective Projection
International Journal of Computer Vision
Wavelet neural networks for function learning
IEEE Transactions on Signal Processing
A graph-spectral approach to shape-from-shading
IEEE Transactions on Image Processing
Learning shape from shading by a multilayer network
IEEE Transactions on Neural Networks
Neural computation approach for developing a 3D shape reconstruction model
IEEE Transactions on Neural Networks
Neural-network-based adaptive hybrid-reflectance model for 3-D surface reconstruction
IEEE Transactions on Neural Networks
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This paper proposes a novel direct 3-D reconstruction methodology namely Shape-From-Shading with specular reflectance using wavelet networks. The thought of this approach is to optimize a proper reflectance model by learning the parameters of wavelet networks. Hybrid reflection models which contain diffuse reflectance and specular reflectance are used to formulate reflectance map equation because they are prone to reality. The approach uses wavelet networks as a parametric representation of the unknown surface to be reconstructed. After the orientation expressed by the parametric form of the surface is substituted into hybrid reflection model, the shape from shading problem is formulated as minimization of the total intensity error function over the network weights. Gradient-descent method is used to update the parameters of wavelet networks. The heights of the surface can then be obtained from the wavelet networks after supervised learning. Experiments on both synthetic and real images demonstrate the performance of the proposed SFS method.