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Editorial Team
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Asked: 2026-06-15T16:33:10+00:00

I’m looking for some ideas to detect lines in the attached image. Lines are

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enter image description hereenter image description hereI’m looking for some ideas to detect lines in the attached image. Lines are assumed to be vertical, but their are very poor quality and there are only 2-3 pixels between each blurry line.

I tried these methods already:
Erosion& Dilation in vertical ->good result for enhancement
CLAHE -> Good for enhancement
Hough -> Failed since converting the images to Black & while will have too many broken lines or bridges.
Also I tried vertical line Mask too.
Basically methods based on Black&White image conversion won’t be applicable for this.

Detecting very thin lines in blurry image

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1 Answer

  1. Editorial Team

    I would collapse the image along the lines to get 1d profile. And do the detection there (e.g. by looking at the peaks above the median.

    Here is the collapsed image collapsed image

    The object detection there is obvious

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