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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The scene detection problem
Detecting text that randomly appears in a scene is a problem that's harder than it looks. There are several new variables that you need to take into account when you're comparing to identified scanned text, such as the following:
- Tridimensionality: The text may be in any scale, orientation, or perspective. Also, the text may be partially occluded or interrupted. There are literally thousands of possible regions where it may appear in the image.
- Variety: Text can be in several different fonts and colors. The font may have outline borders. The background can be dark, light, or a complex image.
- Illumination and shadows: The sunlight's position and apparent color changes over time. Different weather conditions like ...
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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.