本代码采用最近研究比较热的sift算法对目标物体进行追踪(追踪效果很好)\SIFTtutorial1\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
..................................................................\.............\......