TY - Journal of Beijing University of Posts and Telecommunications A1 - FU Wen-xiu, WAN Ni, LU Yan-fei T1 - Contour Extraction for Moving Target Based on Difference Multiplication and Multi-Level Set Y1 - 2013-06-30 00:00:00.0 JF - Journal of Beijing University of Posts and Telecommunications JO - Journal of Beijing University of Posts and Telecommunications SP - 69 EP - 73 VL - 36 IS - 3 UR - {https://journal.bupt.edu.cn/EN/10.13190/jbupt.201303.fuwx} N1 - 10.13190/jbupt.201303.fuwx ER -