一个快速的线性形状从阴影

Proceedings 1992 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Pub Date : 1992-06-15 DOI:10.1109/CVPR.1992.223187

P. Tsai, M. Shah

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引用次数: 43

摘要

提出了一种从单幅阴影图像中计算深度的方法。使用有限差分对p和q进行离散近似，并将Z/sub ij/中的反射率线性化。该方法更快，因为每个操作都是纯本地的。此外，与其他线性方法相比，它对球面给出了很好的结果。

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A fast linear shape from shading

A method for computing depth from a single shaded image is presented. Discrete approximations for p and q using finite differences are used, and the reflectance in Z/sub ij/ is linearized. The method is faster, since each operation is purely local. In addition, it gives good results for spherical surfaces, in contrast to other linear methods.<>

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Proceedings 1992 IEEE Computer Society Conference on Computer Vision and Pattern Recognition

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