Pyramid of arclength descriptor for generating collage of shapes. - Kin Chung Kwan; Lok Tsun Sinn; Chu Han; Tien-Tsin Wong; Chi-Wing Fu (ACM Trans. Graph., 2016)

TransHist: Occlusion-robust shape detection in cluttered images. - Chu Han; Xueting Liu 001; Lok Tsun Sinn; Tien-Tsin Wong (Comput. Vis. Media, 2018)