Quick digital study. of tunnel

Quick digital study. of tunnel

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32-bit grayscale
rp-tunnl1
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8-bit grayscale
rp-tunnl1-8bit
8-bit gray to binary
rp-tunnl1-binary
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binary to outline
rp-tunnl1-binary-to-outlin
8-bit grayscale to auto-thresholding montage
rp-tunnl1-8-bit-to-thrsholdmontag
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8-bit-grayscale to “auto local thresholding” montage. Took longer to process but preserves much more detail.
rptunnl-auto-local-thrshMontage
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Color to “Normalize Local Contrast”. This is handy for getting rid of shadows on objects I’ve noticed.
rptunnl-color-to-normalize-local-contrast
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Color to normalize local contrast to binary.
Oh, this is satisfying. I’ll do this again.
 rptunnl-color-to-normalize-local-contrast.-to-binarypng
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Color to
Normalize Local contrast to
Binary to
Outline.

Yes. This is the best method. Now it could be part of a coloring book.

rptunnl-color-to-normalize-local-contrast.-to-binarypng-to-outlin
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Use that outline as layer, turn it to alpha, add glow, invert. Viola. I’m satisfied. I did an art.
rptunnl-alpha
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