Query-by-Sketch Image Retrieval Using Edge Relation Histogram. - Yoshiki Kumagai; Toru Arikawa (MVA, 2011)

Query-by-Sketch Image Retrieval Using Edge Relation Histogram. - Yoshiki Kumagai; Gosuke Ohashi (IEICE Trans. Inf. Syst., 2013)

Object Extraction Using an Edge-Based Feature for Query-by-Sketch Image Retrieval. - Takuya Takasu; Yoshiki Kumagai; Gosuke Ohashi (IEICE Trans. Inf. Syst., 2015)