1. corner detection algorithm for Freeman chain code analysis [J];xianghu;Computer System Application,2018
2. Contour description method based on key points [J];yumin;Computer Application Research,2015
3. Research on fingertip detection algorithm in motion [D];shuang,2018
4. Edge Extraction of AncientBooks Based on Freeman Chain Code;he;2021 IEEE 3rd Eurasia,0