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See attached Electron Microscope image a small section to start, keep it simple, images are much larger and more complicated. The image is a metal fracture surface.
Due to the stress placed on the material, horizontal cracks are formed, which need to be quantified once in binary form i have a macro down for it.
I took a quick 5 minute try at processing your image. I tried your suggestions, my results lead to excessive fragmentation. However, I do want to say that your are on the right track, which is FAR further than I would have ever gotten on my own. Sometimes I get an output, sometimes I get just an FFT which can be re-transformed, and sometimes I get nothing after a filter image.
This leads me to suspect a Gabor filter or variant may be where I need to go, but I am having troubles following the Gabor example macro and there is no plugin. Do you mean this Gabor filter example?? Or a different macro? I tried running the above Macro. Did you manage to get the Gabor filter working on your image?? If so, and results were not good, maybe tweaking below parameters will get you better results?
Or maybe you tried tweaking parameters and ran into problems? I had troubles following the example code logic to implement it. If it was a plugin already, I could try altering the parameters experimentally until it started to make sense in my head. By variant I meant stuff like Log Gabor filter - Wikipedia.
Using the Gabor filter script you can try to enhance the horizontal structures in your image. You just need a bit of patience to find the right parameters. Pasted image x KB. Here you are the exact script I used, which is a faster version than the one on the site since it uses FFT:. Inside the convolve the filter will be padded with 0 I think and there will be a discontinuity at the edge, and the properties of the filter are different.
The script I used is below it uses concepts from IJ2 and ops and is based on scripts presented here. Hello bnorthan and iarganda ,. One of the curses of my industries, being pulled off to fight another fire, has left me unable to try your suggested solutions right now. However, I appreciate the responses and wanted to take the time to thank you for looking into it.
I will try it as soon as I can manage it and get back to you. Just a reminder, the image I posted in general was a very small picture, the originals are about x pixels. I will have to play with the numbers to adjust for the more challenging areas. If you guys are curious, I can privately send you the full image. Need help in preprocessing to binary image Image Analysis. See attached Electron Microscope image a small section to start, keep it simple, images are much larger and more complicated Line Detection Test.
Reduce any shapes to a single line along the major axis Draw out the Feret Diameter? Hi Ajay I took a quick 5 minute try at processing your image. Hi bnorthan I tried your suggestions, my results lead to excessive fragmentation. Hello Ajay, Using the Gabor filter script you can try to enhance the horizontal structures in your image. Hello bnorthan and iarganda , One of the curses of my industries, being pulled off to fight another fire, has left me unable to try your suggested solutions right now.