In raster projection imaging and 3D object reconstruction,due to the shadow and the ununiformity of illumination,high quality of image segmentation cannot be achieved using traditional binarization.

• 在光栅投影成像三维物体表面重建中,由于阴影和光照不均匀的影响,采用传统的时域二值分割方法,难以得到高质量的分割图象。