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== [[Kernel (image processing)|Convolution]] Based Technique ==
{{essay-like|date=April 2018}}
In image processing, '''line detection''' is an algorithm that takes a collection of n [[edge detection|edge points]] and finds all the lines on which these edge points lie.<ref name=":0">{{Cite book|url=https://www.worldcat.org/oclc/491888664|title=Digital image processing and analysis : human and computer vision applications with CVIPtools|last=Umbaugh|first=Scott E.|date=2011|publisher=CRC Press|isbn=9781439802052|edition=2nd|___location=Boca Raton, FL|oclc=491888664}}</ref> The most popular line detectors are the [[Hough transform]] and [[Kernel (image processing)|convolution]] based techniques.<ref>{{Cite web|url=http://www.mathworks.com/help/images/ref/hough.html|title=Hough transform - MATLAB hough|website=www.mathworks.com|access-date=2018-04-23}}</ref>
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