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Image pre-processing to make pixels in one straight line

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SS
SS on 27 May 2021
Answered: KALYAN ACHARJYA on 27 May 2021
Hi. Is there any image pre-propcessing technique to make the pixels align in a perferct staight line (please see the attached picture)? This sort of lines are resulting in error when I am applying the houghlines.
Thanks.

Accepted Answer

KALYAN ACHARJYA
KALYAN ACHARJYA on 27 May 2021
Yes, you can do that multiple ways
  1. Get the two highest-spaced white pixels in the image, column numbers (left column and right column), number of rows (if luckily the same row, no problem, otherwise average (round) between two different rows , Which will be almost the same)
  2. Morphological operation, get the indices of furthest distance white pixels (horizantal & Vertical) and fill the region with white pixels.
  3. Thinning Algorithm (see bwmorph)

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