March 2020
Intermediate to advanced
366 pages
9h 8m
English
book
OpenCV 4 with Python Blueprints - Second Edition
by Dr. Menua Gevorgyan, Michael Beyeler (USD), Arsen Mamikonyan, Michael Beyeler
Content preview from OpenCV 4 with Python Blueprints - Second Edition
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Parsing the dataset
The GTSRB dataset has 21 files that we can download. We choose to work with the raw data to make it more educational and download the official training data—Images and annotations (GTSRB_Final_Training_Images.zip) for training, and the official training dataset that was used at the IJCNN 2011 competition—Images and annotations (GTSRB-Training_fixed.zip) for scoring.
The following screenshot shows the files from the dataset:
We chose to download the train and test data separately instead of constructing our own train/test data from one of the datasets because, after exploring the data, there are usually 30 images of the ...
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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.