基于多尺度小波特征的高光谱影像亚像素目标识别、基于灰度矩的CCD图像亚像素边缘检测算法研究、基于矩的亚像素边缘检测算法的对比研究等-Based on multi-scale wavelet feature in Hyperspectral subpixel target identification, Gray moment CCD image sub-pixel edge detection algorithm, based on the moment of sub-pixel edge de