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Tag: detection

Convex Hull

OpenCV: Convex Hull

Posted on August 24, 2021August 24, 2021

In this tutorial we will see how to generate and draw convex hull around different objects, using their contours for this purpose.

Rotated bounding box

OpenCV: Contour Bounding Box

Posted on August 24, 2021August 24, 2021

In this tutorial we will see how to draw a bounding box around objects using their contours. We will see several OpenCV functions doing this.

Contour detection example

OpenCV: Contour Detection

Posted on July 8, 2021August 24, 2021

In this tutorial we will see how to use contour detection algorithm and one OpenCV function to detect contours in a given image.

Shi-Tomasi corner detection

OpenCV: Shi-Tomasi Corner Detection

Posted on June 25, 2021July 8, 2021

In this tutorial we will get familiar with an improved version of the Harris corner detection algorithm – the Shi-Tomasi corner detection.

Harris corner detection

OpenCV: Harris Corner Detection

Posted on June 18, 2021June 25, 2021

In this tutorial we will see how to use the Harris corner detection algorithm, implemented in OpenCV in order to detect corners in the image.

Hough Circle

OpenCV: Hough Circle Detection

Posted on May 18, 2021June 18, 2021

In this tutorial we will see how to apply the Hough circle detection OpenCV functionality in order to detect circles in a given image.

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