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2026-06-15 08:26:04 +08:00 · 2026-06-01 10:00:01 +01:00 · 2026-06-01 10:00:01 +01:00 · 3f81df564e
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+**Author:** John Wellbelove  
+**Date:** 2019  
+
 Quite often in image processing we need to scan a rectangular region in an image. The region is usually aligned to capture a specific feature in the image.  
 You may be presented with a skewed image, necessitating that the region should also be skewed.