OpenCV  5.0.0-pre
Open Source Computer Vision
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Detecting corners location in subpixels

Table of Contents

Prev Tutorial: Creating your own corner detector
Next Tutorial: Feature Detection

Original author Ana Huamán
Compatibility OpenCV >= 3.0

Goal

In this tutorial you will learn how to:

  • Use the OpenCV function cv::cornerSubPix to find more exact corner positions (more exact than integer pixels).

Theory

Code

Explanation

Result

Here is the result: