January 2018
Intermediate to advanced
268 pages
6h 20m
English
Content preview from OpenCV 3.x with Python By Example - Second Edition
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Interacting with the application
This program will display the input video stream and wait for the keyboard input to change the color space. If you run the previous program, you will see the window displaying the input video stream from the webcam. If you press G, you will see that the color space of the input stream gets converted to grayscale. If you press Y, the input stream will be converted to YUV color space. Similarly, if you press H, you will see the image being converted to HSV color space.
As we know, we use the function waitKey() to listen to keyboard events. As and when we encounter different keystrokes, we take appropriate actions. The reason we are using the function ord() is because waitKey() returns the ASCII value of the ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.