Detecting and decoding a QR Code using Python and OpenCV.
Python OpenCV: Drawing lines on image
How to draw lines on an image using Python and OpenCV.
ESP32 XML: Obtaining the value of an attribute
Obtaining the value of a XML attribute with the ESP32.
Python OpenCV: Getting region of interest
Getting a region of interest in an image, using Python and OpenCV
Python OpenCV: Getting image dimensions
Getting the width and height of an image using Python and OpenCV
ESP32 XML: navigating through a list of elements
How to parse XML and navigate through a list of elements, using the ESP32 and the Arduino core
ESP32 Arduino: Parsing XML
Parsing XML with the ESP32 and the Arduino core.
Node.js OpenCV: Converting an image to grey scale
How to convert an image to grey scale using OpenCV and Node.js
Node.js OpenCV: Getting started
Getting started with OpenCV on Node.js, using the opencv4nodejs package.
Python OpenCV: Converting an image to HSV
Converting an image to the HSV color space with Python OpenCV