The objective is identify the Rings, T-pins and Nails from the image. The idea is to detect morphological features of the objects: Rings have holes, T-pins have a 'T' like crossing in its skeleton and the Nails are the rest.
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Original image |
Filtered Image |
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skeleton image |
skeleton without end-points |
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reconstruction with filtered image |
Rings: intersection with original |
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skeleton - filtered rings |
pruning 10 pixels from end-points |
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Detection of triple point of skeleton |
reconstruction with filtered image |
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intersection with original: T-pins |
The rest: nails |