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How to detect curved lines and straight lines using Hough Transform? 


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To detect curved lines and straight lines using the Hough Transform, different approaches can be employed. For straight-line detection, methods like dividing the image into boxes with high-intensity pixels for efficient processing , and incorporating trainable Hough transform blocks into deep networks to learn global line parameterizations and local features are effective. On the other hand, for curved line detection, adjusting thresholds to distinguish between straight and catenary lines in transmission line monitoring images using the Hough Transform is crucial . Additionally, for circle detection, implementing a Hough transform on threshold edge maps after edge recognition can be beneficial . These diverse strategies showcase the versatility of the Hough Transform in detecting various types of lines in images.

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Papers (5)Insight
Open accessBook ChapterDOI
23 Aug 2020
53 Citations
The paper introduces Deep Hough-Transform Line Priors, combining trainable Hough transform for global line priors and deep networks for local features, enhancing line detection efficiency with prior knowledge.
The paper introduces Deep Hough-Transform Line Priors, combining trainable Hough transform for global line priors and deep networks for local features, enhancing line segment detection efficiency with prior knowledge.
Hough Transform detects straight lines using angle-radius parameters and curved lines using a function like "houghcircle" on threshold edge maps, aiding in shape recognition in images.
Proceedings ArticleDOI
Chuang Han, Liu Qu 
17 Oct 2020
1 Citations
The Hough Transform can detect curved and straight lines by adjusting thresholds to remove interference, as demonstrated in monitoring transmission line images in the paper.
Not addressed in the paper.

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