September 2015
Beginner to intermediate
296 pages
5h 57m
English
Content preview from OpenCV with Python By ExampleBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2. 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. We are going to discuss edge detection and how we can use image filters to apply various effects on photos.
By the end of this chapter, you will know:
- What is 2D convolution 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
Tip
Downloading the example code
You can download the example code files from your account at http://www.packtpub.com for all the Packt Publishing books ...
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