File list (Check if you may need any files):
hist_corner\call_HH_corner.m
...........\color_hist.m
...........\color_result
...........\demo1.m
...........\display_features.m
...........\gradient_hist.m
...........\gradient_result
...........\hist_corner.m
...........\image\wall\H1to2p
...........\.....\....\img1.ppm
...........\.....\....\img2.ppm
...........\.....\wall
...........\image
...........\non_maximum.m
...........\pre_image.m
...........\README.txt
...........\save_mat_data.m
...........\select_keypoint.m
hist_corner