March 2019
Intermediate to advanced
538 pages
13h 38m
English
book
Building Computer Vision Projects with OpenCV 4 and C++
by David Millan Escriva, Prateek Joshi, Vinicius G. Mendonca, Roy Shilkrot
Content preview from Building Computer Vision Projects with OpenCV 4 and C++
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Installing the Raspberry Pi Camera Module driver
First, let's temporarily load the v4l2 driver for the Raspberry Pi Cam to make sure our camera is plugged in correctly:
sudo modprobe bcm2835-v4l2
If the command failed (if it printed an error message to the console, it froze, or the command returned a number besides 0), then perhaps your camera is not plugged in correctly. Shut down and then unplug power from your Raspberry Pi and try attaching the flat white cable again, looking at photos on the web to make sure it's plugged in the correct way around. If it is the correct way around, it's possible the cable wasn't fully inserted before you closed the locking tab on the Raspberry Pi. Also, check whether you forgot to click Enable Camera when ...
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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.