資源簡(jiǎn)介
圖像的特征用到了Dense Sift,通過(guò)Bag of Words詞袋模型進(jìn)行描述,當(dāng)然一般來(lái)說(shuō)是用訓(xùn)練集的來(lái)構(gòu)建詞典,因?yàn)槲覀冞€沒(méi)有測(cè)試集呢。雖然測(cè)試集是你拿來(lái)測(cè)試的,但是實(shí)際應(yīng)用中誰(shuí)知道測(cè)試的圖片是啥,所以構(gòu)建BoW詞典
代碼片段和文件信息
%?========================================================================
%?Image?Classification?using?Bag?of?Words?and?Spatial?Pyramid?BoW
%?Created?by?Piji?Li?(peegeelee@gmail.com)??
%?Blog:?http://www.zhizhihu.com
%?QQ:?379115886
%?IRLab.?:?http://ir.sdu.edu.cn?????
%?Shandong?UniversityJinanChina
%?10/24/2011
clear?pg_opts
rootpath=‘E:\workspace\matlab\work\PG_BOW_DEMO\‘;
%%
addpath?libsvm;
addpath?BOW;
%%?change?these?paths?to?point?to?the?image?data?and?label?location
images_set=strcat(rootpath‘images‘);
data=strcat(rootpath‘data‘);
labels=strcat(rootpath‘labels‘);
%%
pg_opts.imgpath=images_set;?%?image?path
pg_opts.datapath=data;
pg_opts.labelspath=labels;
%%
%?local?and?global?data?paths
pg_opts.localdatapath=sprintf(‘%s/local‘pg_opts.datapa
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-10-24?12:28??PG_BOW_DEMO\
?????目錄???????????0??2011-10-24?12:24??PG_BOW_DEMO\BOW\
?????文件????????3821??2011-10-24?11:43??PG_BOW_DEMO\BOW\CalculateDictionary.m
?????文件????????3354??2011-10-24?11:44??PG_BOW_DEMO\BOW\CompilePyramid.m
?????文件????????2384??2011-10-24?11:44??PG_BOW_DEMO\BOW\do_assignment.m
?????文件????????2198??2011-10-24?12:58??PG_BOW_DEMO\BOW\do_classification_inter_svm.m
?????文件????????1731??2011-10-24?12:58??PG_BOW_DEMO\BOW\do_classification_rbf_svm.m
?????文件?????????875??2010-12-21?21:34??PG_BOW_DEMO\BOW\do_normalize.m
?????文件????????2243??2011-10-24?12:58??PG_BOW_DEMO\BOW\do_p_classification__inter_svm.m
?????文件????????1382??2011-10-24?12:58??PG_BOW_DEMO\BOW\do_p_classification__rbf_svm.m
?????文件????????1132??2011-10-24?12:57??PG_BOW_DEMO\BOW\draw_cm.m
?????文件????????1303??2010-12-21?21:32??PG_BOW_DEMO\BOW\EuclideanDistance.m
?????文件?????????446??2011-10-24?11:41??PG_BOW_DEMO\BOW\find_grid.m
?????文件????????4292??2010-09-08?21:48??PG_BOW_DEMO\BOW\find_sift_grid.m
?????文件????????2765??2011-10-24?11:45??PG_BOW_DEMO\BOW\GenerateSiftDesc
?????文件?????????759??2009-01-17?20:48??PG_BOW_DEMO\BOW\hist_isect.m
?????文件????????3305??2010-10-31?22:25??PG_BOW_DEMO\BOW\hist_isect_c.c
?????文件????????8192??2010-10-31?22:26??PG_BOW_DEMO\BOW\hist_isect_c.mexw32
?????文件?????????154??2010-06-01?14:35??PG_BOW_DEMO\BOW\load_image.m
?????文件?????????601??2011-10-24?11:41??PG_BOW_DEMO\BOW\MakeDataDirectory.m
?????文件?????????223??2008-12-10?16:46??PG_BOW_DEMO\BOW\make_dir.m
?????文件?????????650??2008-12-10?16:46??PG_BOW_DEMO\BOW\normalize_sift.m
?????文件?????????324??2010-06-01?15:44??PG_BOW_DEMO\BOW\num2string.m
?????文件?????????264??2010-06-01?15:44??PG_BOW_DEMO\BOW\read_image_db.m
?????文件???????14315??2010-10-16?08:01??PG_BOW_DEMO\BOW\rotateXLabels.m
?????文件?????????551??2011-10-24?12:26??PG_BOW_DEMO\BOW\show_results_sc
?????文件?????????258??2010-09-27?10:04??PG_BOW_DEMO\BOW\sumnormalize.m
?????目錄???????????0??2011-10-21?22:43??PG_BOW_DEMO\images\
?????目錄???????????0??2011-10-24?09:16??PG_BOW_DEMO\images\testing\
?????目錄???????????0??2011-10-24?09:16??PG_BOW_DEMO\images\testing\Phoning\
?????文件????????7711??2010-12-01?14:34??PG_BOW_DEMO\images\testing\Phoning\Phoning_0041.jpg
............此處省略401個(gè)文件信息
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