File list (Check if you may need any files):
SIFTtutorial\SIFTtutorial\add_descriptors_to_database.m
............\............\display_keypoints.m
............\............\empty_descriptor_database.m
............\............\find_nearest_neighbours.m
............\............\fit_robust_affine_transform.m
............\............\gaussian_filter.m
............\............\get_linear_index.m
............\............\get_multiple_indices.m
............\............\Histogram.jpg
............\............\hough.m
............\............\images\einstein.key
............\............\......\einstein.key.mat
............\............\......\einstein.pgm
............\............\......\nutshell0003.key
............\............\......\nutshell0003.key.mat
............\............\......\nutshell0003.mask
............\............\......\nutshell0003.pgm
............\............\......\nutshell0004.key
............\............\......\nutshell0004.key.mat
............\............\......\nutshell0004.pgm
............\............\......\nutshell0007.key
............\............\......\nutshell0007.key.mat
............\............\......\nutshell0007.pgm
............\............\......\nutshell0008.key
............\............\......\nutshell0008.key.mat
............\............\......\nutshell0008.pgm
............\............\......\nutshell0009.key
............\............\......\nutshell0009.key.mat
............\............\......\nutshell0009.pgm
............\............\......\nutshell0010.key
............\............\......\nutshell0010.key.mat
............\............\......\nutshell0010.pgm
............\............\......\nutshell0011.key
............\............\......\nutshell0011.key.mat
............\............\......\nutshell0011.pgm
............\............\......\nutshell0012.key
............\............\......\nutshell0012.key.mat
............\............\......\nutshell0012.pgm
............\............\......\phone0003.key
............\............\......\phone0003.key.mat
............\............\......\phone0003.mask
............\............\......\phone0003.pgm
............\............\......\phone0005.key
............\............\......\phone0005.key.mat
............\............\......\phone0005.pgm
............\............\......\phone0007.key
............\............\......\phone0007.key.mat
............\............\......\phone0007.pgm
............\............\......\phone0016.key
............\............\......\phone0016.key.mat
............\............\......\phone0016.pgm
............\............\......\phone0017.key
............\............\......\phone0017.key.mat
............\............\......\phone0017.pgm
............\............\......\phone0018.key
............\............\......\phone0018.key.mat
............\............\......\phone0018.pgm
............\............\......\wadham001.key
............\............\......\wadham001.key.mat
............\............\......\wadham001.pgm
............\............\......\wadham002.key
............\............\......\wadham002.key.mat
............\............\......\wadham002.pgm
............\............\......\wadham003.key
............\............\......\wadham003.key.mat
............\............\......\wadham003.pgm
............\............\......\wadham004.key
............\............\......\wadham004.key.mat
............\............\......\wadham004.pgm
............\............\......\wadham005.key
............\............\......\wadham005.key.mat
............\............\......\wadham005.pgm
............\............\imWarpAffine.m
............\............\pgmread.m
............\............\PGM格式解析.doc
............\............\read_keypoint_file.m
............\............\read_lowe_keypoints.m
............\............\resizeImageFig.m
............\............\sift-1-1.jpg
............\............\sift-1-2.jpg
............\............\sift-1-3.jpg
............\............\sift-1-4.jpg
............\............\sift-1-5.jpg
............\............\sift-1-6.jpg
............\............\sift-1-7.jpg
............\.........