中文摘要：

探讨岩心矿物高光谱特征提取和快速波谱匹配的方法。将小波变换应用于岩心高光谱的特征提取,以多尺度小波系数能量值为特征表示方法,以光谱角度匹配为矿物波谱匹配方法。针对湖北省大冶市鸡冠咀铜金矿的10条实测光谱,采用光谱角度匹配方法对实测波谱与标准波谱的多尺度小波系数能量值进行匹配,得到的矿物匹配结果与钻孔柱状图中的实际矿物完全吻合,验证了该方法的可靠性。多尺度小波系数能量值可以作为岩心高光谱的波谱特征,光谱角度匹配法在岩心高光谱的波谱匹配中同样具备适宜性。

英文摘要：

Method for extraction of hyperspectral features from drilling cores and its spectral matching based on wavelet transform is investigated. Multi scale wavelet coefficients are used to build the features and spectral angle mapper （SAM） method is used to construct the matching method. 10 measured spectral in Jiguanzui copper gold deposit is analyzed. Experiment results indicate that the matching result is identical with the mineral in the borehole diagram. The proposed method shows a better performance on mineral identification by the combination of wavelet transforms and spectral angel mapper.