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%ispc用來判斷當前電腦是不是Windows系統(tǒng)，是返回1，不是返回0
	%strrep（）
????if?base_path（end）?~=?‘/‘?base_path（end+1）?=?‘/‘;?end
	
	%list?all?sub-folders??列出所有子文件夾
	contents?=?dir（base_path）;%dir（‘G:\Matlab‘）列出指定目錄下所有子文件夾和文件
	names?=?{};
	for?k?=?1:numel（contents）%numel（）：返回數組或者向量中所含元素的總數。
		name?=?contents（k）.name;
		if?isdir（[base_path?name]）?&&?~any（strcmp（name?{‘.‘?‘..‘}））%isdir用于判斷輸入是否表示一個文件夾
			%any函數作用：判斷元素是否為非零元素any（v）如果v是非零元素返回true（即1）否則返回flase（即0）
????????????names{end+1}?=?name;??%#ok
		end
	end
	
	%no?sub-folders?found??沒有找到子文件夾
	if?isempty（names）?video_name?=?[];?return;?end
	%isempty（names）????判斷names是否為空，如果為空，結果為1，否則為0.
????
	%choice?GUI
	choice?=?listdlg（‘ListString‘names?‘Name‘‘Choose?video‘?‘SelectionMode‘‘single‘）;
????%‘Name‘‘Choose?video‘代表的是選擇框的名字是Choose?video
	%listdlg列表選擇對話框
	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???????1394??2017-04-15?20:29??KCF_HC\choose_video.m

?????文件???????1787??2017-04-06?15:05??KCF_HC\download_videos.m

?????文件???????1986??2014-06-24?06:49??KCF_HC\external.txt

?????文件????????320??2016-03-17?17:15??KCF_HC\feature_projection.m

?????文件???????4442??2017-04-09?13:40??KCF_HC\fhog.m

?????文件???????1388??2018-11-26?16:22??KCF_HC\gaussian_correlation.m

?????文件???????2051??2018-12-19?12:34??KCF_HC\gaussian_shaped_labels.m

?????文件????????708??2017-06-15?15:18??KCF_HC\get_axis_aligned_BB.m

?????文件???????2022??2018-12-13?17:01??KCF_HC\get_features.m

?????文件???????1637??2018-01-07?22:29??KCF_HC\get_feature_map.m

?????文件???????1412??2018-12-05?11:07??KCF_HC\get_subwindow.m

?????文件??????23054??2013-09-29?06:54??KCF_HC\gradientMex.mexa64

?????文件??????30720??2014-01-28?09:56??KCF_HC\gradientMex.mexw64

?????文件?????????14??2017-04-06?14:09??KCF_HC\h1.m

?????文件???????1201??2018-01-07?22:29??KCF_HC\im2c.m

?????文件????????884??2017-04-09?14:12??KCF_HC\linear_correlation.m

?????文件???????4092??2018-12-19?12:33??KCF_HC\load_video_info.m

?????文件???????1463??2018-11-17?22:34??KCF_HC\load_video_info_votformat.m

?????文件??????55296??2017-09-13?06:56??KCF_HC\mexResize.mexw64

?????文件????????931??2017-04-09?14:28??KCF_HC\polynomial_correlation.m

?????文件???????1823??2018-11-17?22:42??KCF_HC\precision_plot.m

?????文件???????4279??2014-06-24?06:53??KCF_HC\readme.txt

?????文件???????7321??2018-12-19?12:30??KCF_HC\run_tracker.m

?????文件???????2649??2018-12-16?23:16??KCF_HC\show_video.m

?????文件???????7312??2018-12-19?12:32??KCF_HC\tracker.m

?????文件???????9201??2017-04-09?16:29??KCF_HC\videofig.m

?????文件????1142188??2018-01-07?22:29??KCF_HC\w2crs.mat

?????目錄??????????0??2018-12-17?21:46??KCF_HC

-----------?---------??----------?-----??----

??????????????1311575????????????????????28

............此處省略1個文件信息