Texture Features Based on Area Ternary Pattern for Classification Collagen Second Harmonic Generation Images of Skin ScarGaoqiang Liu, Mingyu Liu, Jichun Li, Encai Zhang, Kun Zhang and Guannan ChenMATEC Web of Conferences, 61 (2016) 02011DOI: https://doi.org/10.1051/matecconf/20166102011