影像特征提取与同名点匹配,读取图像，在窗口中显示，提取特征点（“+”表示），匹配同名像点（“+”表示）,列表显示各特征点和匹配点的像素坐标位置-Image feature point extraction and matching tie points,Read image displayed in the window, extracts feature points ("+" indication), the same name as the matching point ("+" indi