A measurement method for distinguishing the real contact area of rough surfaces of transparent solids using improved Otsu technique<xref ref-type="fn" rid="cpb140887fn1">*</xref>

A measurement method for distinguishing the real contact area of rough surfaces of transparent solids using improved Otsu technique*

Song Bao-Jiang, Yan Shao-Ze†, Xiang Wu-Wei-Kai

Fig.#cod#x00A0;1. Technology roadmap of the measuring system.