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#computer-vision

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Article0 replies612 followingPosted 09 Feb 2026, 11:19 UTC81.2K views3,022 votes

Tuning OpenCV's Canny Edge Detector for Clean Structural Boundaries

Learn how to reduce noise and choose hysteresis thresholds in OpenCV's Canny edge detection to get clean structural boundaries without false positives.

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Tasadduq Burneyowner

Started09 Feb 2026, 11:19 UTC

Level 38Owner35,775 rep points

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Article0 replies3,256 followingPosted 05 Jul 2026, 01:35 UTC55.7K views3,433 votes

Tuning OpenCV Canny Edge Detection for Variable Lighting

Stop guessing your Canny thresholds. Learn how to implement a dynamic auto-Canny approach in OpenCV to handle variable lighting and noise.