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The Assumed Light Direction for Perceiving Shape from Shading
Shape-from-shading light-from-above shape perception, Lambertian shading
2016/5/24
Recovering 3D shape from shading is an ill-posed problem that the
visual system can solve only by making use of additional information
such as the position of the light source. Previous research has...
Extracting surface orientation and surface depth from one or more images is one of the classic problems in computer vision. Shape-from-shading (SFS) deals with the recovery of 3-D shape from a single ...
通过对由医疗成像设备获取的二维灰度图像进行形状重建，得到的三维立体原型能帮助医学诊断人员确诊病情。介绍了Shape from Shading的实现原理和扫描电镜成像系统的简单构成，提出了一种基于线性逼近的用于解决SEM反射映射函数的实现方法，并将之应用于红血细胞的三维图像重构，得到的细胞图形非常接近其真实形状。