Fig. 1

Image showing the division of a lip print sample into ten quadrants. Quadrants from top-left to right: ULR, UMR, UC, UML, ULL; Bottom-left to right: LLR, LMR, LC, LML, LLL
Image showing the division of a lip print sample into ten quadrants. Quadrants from top-left to right: ULR, UMR, UC, UML, ULL; Bottom-left to right: LLR, LMR, LC, LML, LLL