4SHEN B X, TIAN C H, TANG M, et al. Research on the application of multi-view stereo visiion in indusdrial measurements [J]. Intelligent manufacturing proceedings of SPIE, 2003,5263:132-139.
5WU W J, SHEN B X. Image measurement of micro-hole with linear CCD[J]. Proceeding of SPIE, 2006,6150:57-61.
6MASO G D, MOREL J M, SOLIMINI S. A variational method in image segmentation: existence and approximation results[J]. Acta Matermatica, 1992,168(1):89-151.
