基于高光谱技术的朱墨时序光谱差异特征分析及分类

李昌盛, 高树辉^*, 李开开

Feature Analysis and Classification of the Line-Crossing Sequences Between Stamp Inks and Laser Printing Toner Based on Hyperspectral Techniques

LI Chang-sheng, GAO Shu-hui^*, LI Kai-kai

数据集A1 (a—c)和B10 (d—f)在不同差值计算方法下交叉部位和非交叉部位打印碳粉墨迹ROI区域的光谱差异曲线 (a), (d): 直接差值; (b), (e): 对数比值; (c), (f): 归一化差值