Handbook of research on advances and applications of fuzzy sets and logic This book studies recent theoretical advances of fuzzy sets and numbers fuzzy systems fuzzy logic and their generalizations extensions (e.g. intuitionistic fuzzy sets neutrosophic sets soft sets rough sets grey system theory etc.) as well as applications of them to science technology and everyday life Picture fuzzy graph with novel application : picture fuzzy graph with novel application Sk Amanathulla Vidyasagar University India Madhumangal Pal Vidyasagar University India Crisp set vs. fuzzy set qualitative comparative analysis technical differences and much more Jean Michel Rocchi Sciences Po Aix Face recognition technique based on skin texture and gradient using fuzzy fusion model Arun kumar H D Kuvempu University India Manjunath H R GFGC Shimoga India.