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The Computer Vision Workshop

You're reading from   The Computer Vision Workshop Develop the skills you need to use computer vision algorithms in your own artificial intelligence projects

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Product type Paperback
Published in Jul 2020
Publisher Packt
ISBN-13 9781800201774
Length 568 pages
Edition 1st Edition
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Authors (3):
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Nikhil Singh Nikhil Singh
Author Profile Icon Nikhil Singh
Nikhil Singh
Hafsa Asad Hafsa Asad
Author Profile Icon Hafsa Asad
Hafsa Asad
Vishwesh Ravi Shrimali Vishwesh Ravi Shrimali
Author Profile Icon Vishwesh Ravi Shrimali
Vishwesh Ravi Shrimali
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Toc

Introduction

In the previous chapter, you learned how to perform basic operations on images and how to access, split, and merge different channels of an image. You also learned how to perform geometric transformations and practiced image translation, rotation, scaling, cropping, and more. In this chapter, you will learn how to enhance the quality of a captured image in order to improve visualization and bring otherwise hidden details into focus. Histogram equalization is used for this purpose.

A histogram is a powerful tool to better understand image content. For example, many cameras display a real-time histogram of the scene that is being captured in order to adjust some parameters of the camera acquisitions, such as exposure time, brightness, or contrast, with the purpose of capturing effective images and detecting image acquisition issues. It helps the photographer see the distribution of captured pixel intensities. In this chapter, we will learn how to plot the histogram of...

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