%?Starter?code?prepared?by?James?Hays?for?CS?143?Brown?University

%This?function?will?sample?SIFT?descriptors?from?the?training?images
%cluster?them?with?kmeans?and?then?return?the?cluster?centers.

function?vocab?=?build_vocabulary（?image_paths?vocab_size?）
%?The?inputs?are?images?a?N?x?1?cell?array?of?image?paths?and?the?size?of?
%?the?vocabulary.

%?The?output?‘vocab‘?should?be?vocab_size?x?128.?Each?row?is?a?cluster
%?centroid?/?visual?word.

%{
Useful?functions:
[locations?SIFT_features]?=?vl_dsift（img）?
?http://www.vlfeat.org/matlab/vl_dsift.html
?locations?is?a?2?x?n?list?list?of?locations?which?can?be?thrown?away?here
??（but?possibly?used?for?extra?credit?in?get_bags_of_sifts?if?you‘re?making
??a?“spatial?pyramid“）.6
?SIFT_features?is?a?128?x?N?ma‘trix?of?SIFT?features
??no

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-11-12?11:05??CODE\
?????文件????????3057??2016-01-24?10:35??CODE\build_vocabulary.m
?????文件???????12307??2016-01-24?10:35??CODE\create_results_webpage.m
?????文件????????8392??2016-11-12?11:05??CODE\get_bags_of_sifts.m
?????文件????????1767??2016-01-24?10:35??CODE\get_image_paths.m
?????文件????????1758??2016-01-24?10:35??CODE\get_tiny_images.m
?????文件???????18694??2016-01-24?10:35??CODE\hs_err_pid184.log
?????文件????????2943??2016-01-24?10:35??CODE\nearest_neighbor_classify.m
?????文件????????9191??2016-01-24?10:36??CODE\proj3.m
?????目錄???????????0??2016-11-12?11:05??CODE\results_webpage\
?????文件???????11436??2016-01-24?10:36??CODE\results_webpage\confusion_matrix.png
?????文件???????14997??2016-01-24?10:36??CODE\results_webpage\index.html
?????目錄???????????0??2016-11-12?11:05??CODE\results_webpage\thumbnails\
?????文件????????6492??2016-01-24?10:36??CODE\results_webpage\thumbnails\Bedroom_image_0039.jpg
?????文件????????7718??2016-01-24?10:36??CODE\results_webpage\thumbnails\Bedroom_image_0082.jpg
?????文件????????4301??2016-01-24?10:36??CODE\results_webpage\thumbnails\Bedroom_image_0083.jpg
?????文件????????8014??2016-01-24?10:36??CODE\results_webpage\thumbnails\Bedroom_image_0094.jpg
?????文件????????7546??2016-01-24?10:36??CODE\results_webpage\thumbnails\Bedroom_image_0119.jpg
?????文件????????7961??2016-01-24?10:36??CODE\results_webpage\thumbnails\Bedroom_image_0134.jpg
?????文件????????5167??2016-01-24?10:36??CODE\results_webpage\thumbnails\Bedroom_image_0141.jpg
?????文件????????4487??2016-01-24?10:36??CODE\results_webpage\thumbnails\Coast_image_0009.jpg
?????文件????????5387??2016-01-24?10:36??CODE\results_webpage\thumbnails\Coast_image_0067.jpg
?????文件????????3847??2016-01-24?10:36??CODE\results_webpage\thumbnails\Coast_image_0068.jpg
?????文件????????3118??2016-01-24?10:36??CODE\results_webpage\thumbnails\Coast_image_0075.jpg
?????文件????????4632??2016-01-24?10:36??CODE\results_webpage\thumbnails\Coast_image_0119.jpg
?????文件????????4831??2016-01-24?10:36??CODE\results_webpage\thumbnails\Coast_image_0193.jpg
?????文件????????4593??2016-01-24?10:36??CODE\results_webpage\thumbnails\Coast_image_0228.jpg
?????文件????????5058??2016-01-24?10:36??CODE\results_webpage\thumbnails\Forest_image_0035.jpg
?????文件????????6808??2016-01-24?10:36??CODE\results_webpage\thumbnails\Forest_image_0040.jpg
?????文件????????5360??2016-01-24?10:36??CODE\results_webpage\thumbnails\Forest_image_0101.jpg
?????文件????????5278??2016-01-24?10:36??CODE\results_webpage\thumbnails\Forest_image_0102.jpg
............此處省略101個文件信息