TY - Journal of Shandong University(Engineering Science) A1 - JIANG Shanshan, YANG Jing, FAN Liya T1 - An image feature extraction method based on PDEs Y1 - 2018-08-20 JF - Journal of Shandong University(Engineering Science) JO - Journal of Shandong University(Engineering Science) SP - 27 EP - 36 VL - 48 IS - 4 UR - http://gxbwk.njournal.sdu.edu.cn N1 - 10.6040/j.issn.1672-3961.0.2018.072 ER -