On 05/04/2014 09:51 PM, Jon Elson wrote: > > And that one looks pretty good. I'll have to see how good > a picture it gives of the typical edge of a machined part, > with possibly too much contrast to display perfectly. > But, this could well do as good a job as a typical cheap > edge finder. > > That will depend on your lighting and background which you can optimize for your situation. A spray of fine powder on the edge is also a cheap and simple trick. You can also run different edge detection algorithms based on your application in addition to contrast enhancement and noise reduction.
http://www.owlnet.rice.edu/~elec539/Projects97/morphjrks/moredge.html http://www.cs.haifa.ac.il/~dkeren/ip/lecture9.pdf http://www.slideshare.net/contactsarbjeet/image-processing-edge-detection#btnNext http://www.ijcsi.org/papers/IJCSI-9-5-1-269-276.pdf http://nyx-www.informatik.uni-bremen.de/1044/1/ziou_pria_98.pdf ------------------------------------------------------------------------------ Is your legacy SCM system holding you back? Join Perforce May 7 to find out: • 3 signs your SCM is hindering your productivity • Requirements for releasing software faster • Expert tips and advice for migrating your SCM now http://p.sf.net/sfu/perforce _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
