function?video_name?=?choose_video（base_path）
%CHOOSE_VIDEO
%???Allows?the?user?to?choose?a?video?（sub-folder?in?the?given?path）.
%
%???Joao?F.?Henriques?2014
%???http://www.isr.uc.pt/~henriques/

	%process?path?to?make?sure?it‘s?uniform
	if?ispc（）?base_path?=?strrep（base_path?‘\‘?‘/‘）;?end
	if?base_path（end）?~=?‘/‘?base_path（end+1）?=?‘/‘;?end
	
	%list?all?sub-folders
	contents?=?dir（base_path）;
	names?=?{};
	for?k?=?1:numel（contents）
		name?=?contents（k）.name;
		if?isdir（[base_path?name]）?&&?~any（strcmp（name?{‘.‘?‘..‘}））
			names{end+1}?=?name;??%#ok
		end
	end
	
	%no?sub-folders?found
	if?isempty（names）?video_name?=?[];?return;?end
	
	%choice?GUI
	choice?=?listdlg（‘ListString‘names?‘Name‘‘Choose?video‘?‘SelectionMode‘‘single‘）;
	
	if?isempty（choice）??%user?cancelled
		video_name?=?[];
	else
		video_name?=?names{choice};
	end
	
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????897??2014-05-03?04:43??choose_video.m
?????文件????????1749??2014-05-03?04:43??download_videos.m
?????文件????????1986??2014-06-24?06:49??external.txt
?????文件????????3169??2014-05-03?04:43??fhog.m
?????文件?????????939??2014-05-03?04:43??gaussian_correlation.m
?????文件????????1292??2014-05-03?04:43??gaussian_shaped_labels.m
?????文件????????1237??2014-05-03?04:43??get_features.m
?????文件?????????806??2014-05-03?04:43??get_subwindow.m
?????文件???????23054??2013-09-29?06:54??gradientMex.mexa64
?????文件???????30720??2014-01-28?09:56??gradientMex.mexw64
?????文件?????????568??2014-05-03?04:43??linear_correlation.m
?????文件????????3132??2014-05-03?04:43??load_video_info.m
?????文件?????????799??2014-05-03?04:43??polynomial_correlation.m
?????文件????????1440??2016-05-06?09:42??precision_plot.m
?????文件????????4279??2014-06-24?06:53??readme.txt
?????文件????????6735??2016-10-14?08:58??run_tracker.m
?????文件????????2354??2016-05-06?09:41??show_video.m
?????文件????????5944??2016-10-07?14:53??tracker.m
?????文件????????7692??2013-12-27?04:05??videofig.m