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Apply TodayMATLAB Central > MATLAB Newsreader > One pixel line length 

I have an binary image with several one pixel lines crossing each other (crack pattern) whose total length I'm trying to find. 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i2v0ro$ln1$1@fred.mathworks.com>... 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i2v1ar$ljj$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i2v2ls$i6v$1@fred.mathworks.com>... 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i2v36p$lvu$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i2v3js$ija$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i2v6t1$kq1$1@fred.mathworks.com>... 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message = 
On Jul 30, 2:50 pm, "LarsGöran Nord" <larsgoran.nordh@uddeholm.se> 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i2vah4$gtb$1@fred.mathworks.com>... 
ImageAnalyst <imageanalyst@mailinator.com> wrote in message <dcc648d51c794c4fb1de53919ded9e61@g35g2000yqa.googlegroups.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i2vg70$mm4$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i2vgvc$bkb$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i2vfo0$mtp$1@fred.mathworks.com>... 
The image you uploaded looks pretty well binarized and skeletonized. 
LarsGöran Nord wrote: 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i2vk8c$7vp$1@fred.mathworks.com>... 
ImageAnalyst <imageanalyst@mailinator.com> wrote in message <fd3889275180480eaedb0f7efdc47061@d17g2000yqb.googlegroups.com>... 
Walter Roberson <roberson@hushmail.com> wrote in message <i2vlar$2g2$1@canopus.cc.umanitoba.ca>... 
Lars: 
"Image Analyst" <imageanalyst@mailinator.com> wrote in message <i31nu0$b2l$1@fred.mathworks.com>... 
"Image Analyst" <imageanalyst@mailinator.com> wrote in message <i31nu0$b2l$1@fred.mathworks.com>... 
Walter Roberson <roberson@hushmail.com> wrote in message <i2vlar$2g2$1@canopus.cc.umanitoba.ca>... 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i2vk8c$7vp$1@fred.mathworks.com>... 
On Aug 1, 4:58 pm, "LarsGöran Nord" <larsgoran.no...@uddeholm.se> 
ImageAnalyst <imageanalyst@mailinator.com> wrote in message <77b15315fe1a49a4bec4450751f27c09@l25g2000prn.googlegroups.com>... 
On Aug 1, 9:50 pm, "LarsGöran Nord" <larsgoran.no...@uddeholm.se> 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i3588v$j5j$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i36fii$ktd$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message 
Lars, did you see the fix I made to the code that will let it now 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i36l3e$l15$1@fred.mathworks.com>... 
ImageAnalyst <imageanalyst@mailinator.com> wrote in message <11aec9ea536a44c9b3fd7f5132cf773f@z34g2000pro.googlegroups.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i36p29$e2f$1@fred.mathworks.com>... 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i36qv1$jm5$1@fred.mathworks.com>... 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i36qv1$jm5$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i37hjs$nek$1@fred.mathworks.com>... 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i395dd$a33$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i39kh5$fbv$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i39svj$q8s$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i3bva5$k78$1@fred.mathworks.com>... 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i3bva5$k78$1@fred.mathworks.com>... 
"LarsGöran Nord" <larsgoran.nordh@uddeholm.se> wrote in message <i3hcep$kks$1@fred.mathworks.com>... 
"Sean " <sean.dewolski@nospamplease.umit.maine.edu> wrote in message <i3hgul$8gc$1@fred.mathworks.com>... 
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