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Opencvsharp (C openCV) shape detection and recognition (with source code)
2022-07-05 23:29:00 【Color Space】
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Preface
Example source and background , Please check the following article :
be based on OpenCV Image shape detection ( Including source code )_Color Space The blog of -CSDN Blog Guide this article to share a useful OpenCV A small case of shape detection using traditional methods . Background introduction example source :https://github.com/akshaybhatia10/ComputerVision-Projects/tree/master/FindShapes The typical test pictures are as follows : The figure above contains a rectangle 、 Square 、 triangle 、 A circle and a Pentagon are in common 5 Species shape , Our goal is to locate it and mark the corresponding shape , The effect is as follows : Implementation steps 【1】 Convert the picture to grayscale , Do binarization . The original drawing is relatively simple , You can use a fixed threshold or OTSU Threshold method ;.https://colorspace.blog.csdn.net/article/details/122869394 This article will introduce its corresponding C# OpenCV Realization --- be based on OpenCvSharp4.5.5.20211231.
The test image
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