November 2018
Beginner
310 pages
7h 25m
English
book
Learn OpenCV 4 by Building Projects - Second Edition
by David Millán Escrivá, Vinícius G. Mendonça, Prateek Joshi
Content preview from Learn OpenCV 4 by Building Projects - Second Edition
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Morphological closing
This is the operation that closes a shape by filling the gaps, as shown in the following screenshot. This operation is also used for noise removal. It's basically dilation followed by erosion. This operation removes tiny holes in the foreground by changing small objects in the background into the foreground:
Let's quickly look at the function to perform morphological closing:
Mat performClosing(Mat inputImage, int morphologyElement, int morphologySize){ Mat outputImage, tempImage; int morphologyType; if(morphologyElement == 0) morphologyType = MORPH_RECT; else if(morphologyElement == 1) morphologyType = MORPH_CROSS;Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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