June 2019
Intermediate to advanced
348 pages
8h 28m
English
Content preview from Qt 5 and OpenCV 4 Computer Vision Projects
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Summary
In this chapter, we created a new desktop application, the Gazer, for capturing, playing, and saving videos from our cameras. For home security purposes, we also added a feature for motion detection. We built the UI with Qt and developed the video processing features with OpenCV. These two parts were integrated into our application organically. In the development of this application, we learned about how to use the Qt layout system to arrange the widgets on the UI, how to use multithreading technology to do slow work in a thread that differs from the main UI thread, how to detect motion using OpenCV, and how to send notifications to our mobile phone via IFTTT by firing a HTTP request.
In the next chapter, we will learn how to recognize ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.