%%?Print?help?info.
mxTracker（1）;

%%?Set?image?directory.
seqDir?=?pwd;?%?using?current?directory

seqDir（seqDir==‘\‘）?=?‘/‘;
seqs?=?dir（seqDir）;
seqs（~[seqs.isdir]）?=?[];
seqs（1:2）?=?[];?%?.?..
seqs?=?{seqs.name};

seq?=?listdlg（‘ListString‘seqs‘Name‘‘Choose?video‘‘SelectionMode‘‘single‘）;
if?isempty（seq）?return;?end
seq?=?seqs{seq};

%%?Get?initial?target?position.
imgFmt?=?[seqDir?‘/‘?seq?‘/%08d.png‘];
nimgs?=?length（dir（[seqDir?‘/‘?seq?‘/*.png‘]））;
gtFile?=?[seqDir?‘/‘?seq?‘/groundtruth.txt‘];
gt?=?load（gtFile）;
x?=?gt（11:2:end）;?y?=?gt（12:2:end）;
rect?=?[min（x）min（y）max（x）-min（x）+1max（y）-min（y）+1];?%?target?bounding?box

%%?Example?usage?1.
for?t?=?1:nimgs
????imgFile?=?sprintf（imgFmt?t）;
????img?=?imread（imgFile）;
????if（size（img3）==3）
????????img?=?rgb2gray（img）;
????end
????if?t?==?1
????????padding?=?1.5;
????????updatePeriod?=?3;
????????useMotion?=?true;
????????logFile?=?‘D:/yuErrLog.txt‘;?%?save?error?log?to?local?file
????????mxTracker（img?rect?padding?updatePeriod?useMotion?logFile）;
????else
????????rect?=?mxTracker（img?rect）;
????end
????imshow（img）hold?onrectangle（‘position‘rect‘edgecolor‘‘r‘）;?drawnow;
end
mxTracker;?%?release?memory
close

%%?Example?usage?2.
%?for?t?=?1:nimgs
%?????imgFile?=?sprintf（imgFmt?t）;
%?????img?=?imread（imgFile）;
%?????if（size（img3）==3）
%?????????img?=?rgb2gray（img）;
%?????end
%?????if?t?==?1
%?????????padding?=?1.5;
%?????????updatePeriod?=?0;?%?do?not?update?by?itself
%?????????useMotion?=?true;
%?????????logFile?=?‘‘;?%?no?error?log
%?????????mxTracker（img?rect?padding?updatePeriod?useMotion?logFile）;
%?????else
%?????????rect?=?mxTracker（img?rect）;
%?????????if?mod（t3）?==?0
%?????????????mxTracker（img?rect）;?%?manually?update?the?tracker
%?????????end
%?????end
%?????imshow（img）hold?onrectangle（‘position‘rect‘edgecolor‘‘r‘）;?drawnow;
%?end
%?mxTracker;
%?close