In this tutorial we will check how to flip an image, using Python and OpenCV. We will flip the image across the x-axis, the y-axis and then across both axes.
Continue reading “Python OpenCV: Flipping an image”Python: Getting OpenCV version
In this short tutorial, we will check how to obtain the version of the Python OpenCV module we have installed in our machine.
Continue reading “Python: Getting OpenCV version”ESP32 cpplinq: Concatenating arrays
In this tutorial we will check how to concatenate arrays using cpplinq, running on the ESP32. The tests shown here were performed using an ESP32 board from DFRobot.
Continue reading “ESP32 cpplinq: Concatenating arrays”ESP32 HTTPS server: Handling route not found
In this tutorial we will check how the handle the case when a client sends a request to a non existing route, on a HTTPS web server hosted on the ESP32. The tests shown on this tutorial were performed using an ESP32 board from DFRobot.
Continue reading “ESP32 HTTPS server: Handling route not found”ESP32 HTTPS server: Specifying HTTP response status code
In this tutorial we will check how to specify the HTTP status code to be returned to clients from the routes of a HTTPS web server hosted on the ESP32. We will be using the Arduino core. The tests shown on this tutorial were performed using an ESP32 board from DFRobot.
Continue reading “ESP32 HTTPS server: Specifying HTTP response status code”ESP32 Arduino cpplinq: the count operator
In this tutorial we will check how to apply the cpplinq count operator over an array of integers. The tests shown on this tutorial were performed using an ESP32 board from DFRobot.
Continue reading “ESP32 Arduino cpplinq: the count operator”ESP32 Arduino: Chaining cpplinq operators
In this tutorial we will check how to chain multiple cpplinq operators to apply more complex expression trees to filter arrays. The tests shown on this tutorial were performed using an ESP32 board from DFRobot.
Continue reading “ESP32 Arduino: Chaining cpplinq operators”ESP32 Arduino cpplinq: Getting minimum and maximum values from array
In this tutorial we will check how to get the maximum and minimum values of an array, using cpplinq. The tests shown on this tutorial were performed using an ESP32 board from DFRobot.
Continue reading “ESP32 Arduino cpplinq: Getting minimum and maximum values from array”Python OpenCV: Converting an image to black and white
In this tutorial we will learn how to convert an image to black and white, using Python and OpenCV.
Continue reading “Python OpenCV: Converting an image to black and white”Python OpenCV: Converting webcam video to gray scale
In this tutorial we will check how to obtain video from a webcam and convert it to gray scale, using OpenCV and Python.
Continue reading “Python OpenCV: Converting webcam video to gray scale”