1. Shape from focus;Nayar;IEEE Trans. Pattern Anal. Mach. Intell.,1994
2. Analysis of focus measure operators for shape-from-focus;Pertuz;Pattern Recognit.,2013
3. A novel approach of edge detection based on gray weighted absolute correlation degree and prewitt operator;Shi;Int. Conf. Intell. Comput. Integr. Syst.,2010
4. Depth map estimation using exponentially decaying focus measure based on susan operator;Mendapara;IEEE Int. Conf. Syst. Man Cybern.,2009
5. An improved Sobel edge detection;Gao;Comput. Sci. Inf. Technol.,2010