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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Detecting Edges and Applying Image Filters
In this chapter, we are going to see how to apply cool visual effects to images. We will learn how to use fundamental image processing operators, discuss edge detection, and see how we can use image filters to apply various effects to photos.
By the end of this chapter, you will know:
- What 2D convolution is, and how to use it
- How to blur an image
- How to detect edges in an image
- How to apply motion blur to an image
- How to sharpen and emboss an image
- How to erode and dilate an image
- How to create a vignette filter
- How to enhance image contrast
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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.