---
title: Edge Detection
categories: session
---

**Date** 29 September 2021

**Briefing** [Edge Lecture]()

**Reading** Ma (2004) Ch 4.4;
[Canny Edge Detection in OpenCV](https://docs.opencv.org/4.x/da/d22/tutorial_py_canny.html)

# Exercises

## Python API

This is based on Ma (2004) Exercise 4.9, which is written for Matlab.

1.  Find a test image.
2.  Test the `Canny` edge detector in OpenCV.
    See the [tutorial](https://docs.opencv.org/4.x/da/d22/tutorial_py_canny.html)
    for an example. Experiment with different thresholds.
    See the [docs](https://docs.opencv.org/3.4/dd/d1a/group__imgproc__feature.html#ga04723e007ed888ddf11d9ba04e2232de) for details.
3.