A Method for Extracting Auroral Ovals in UVI Images and Its Evaluation
Wang Qian, Meng Qinghu, Hu Zejun, Xing Zanyang, Liang Jimin, Hu Hongqiao
ADVANCES IN POLAR SCIENCE . 2011, (3): 168 -177 .  DOI: 10.3724/SP.J.1084.2011.00168