Summary
The cv2.findContours() function can be used to find contours of a binary image
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, and the cv.drawContours() function can be used to draw individual contours.
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The contour approximation method cv.CHAIN_APPROX_SIMPLE can be used to reduce the number of points needed to represent a contour
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, and the contour hierarchy can be used to organize the contours into a hierarchy.
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The function retrieves contours from the binary image using the algorithm
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To put in simple words, findContours detects change in the image color and marks it as contour.
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Summary
Contours are a useful tool for shape analysis and object detection and recognition. The cv.findContours() function is used to find contours of a binary image, and the cv.drawContours() function can be used to draw individual contours. The contour approximation method cv.CHAIN_APPROX_SIMPLE can be used to reduce the number of points needed to represent a contour, and the contour hierarchy can be used to organize the contours into a hierarchy.
OpenCV: Contours : Getting Started
opencv.org
Summary
This blog post explains how to find a Game Boy screen in an image using Python and OpenCV. It explains how to use the OpenCV contours functionality and the findContours function in the cv2 package to find the Game Boy screen in the image. The post also provides the source code for the code and a link to the full article.
Python and OpenCV: Finding OpenCV contours with cv2.findContours
pyimagesearch.com
This page shows Python examples of cv2.findContours The following are 30 code examples of cv2.findContours() . You can vote up the ones you like or vote down ...
Python Examples of cv2.findContours
programcreek.com
