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Visual Media Processing Using MATLAB Beginner's Guide

Visual Media Processing Using MATLAB Beginner's Guide

By : George Siogkas
4.5 (2)
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Visual Media Processing Using MATLAB Beginner's Guide

Visual Media Processing Using MATLAB Beginner's Guide

4.5 (2)
By: George Siogkas

Overview of this book

Whether you want to enhance your holiday photographs or make a professional banner image for your website, you need a software tool that offers you quick and easy ways to accomplish it. All-in-one tools tend to be rare, and Matlab is one of the best available.This book is a practical guide full of step-by-step examples and exercises that will enable you to use Matlab as a powerful, complete, and versatile alternative to traditional image and video processing software.You will start off by learning the very basics of grayscale image manipulation in Matlab to master how to analyze 3-dimensional images and videos using the same tool. The methods you learn here are explained and expanded upon so that you gradually reach a more advanced level in Matlab image and video processing. You will be guided through the steps of opening, transforming, and saving images, later to be mixed with advanced masking techniques both in grayscale and in color. More advanced examples of artistic image processing are also provided, like creating panoramic photographs or HDR images. The second part of the book covers video processing techniques and guides you through the processes of creating time-lapse videos from still images, and acquiring, filtering, and saving videos in Matlab. You will learn how to use many useful functions and tools that transform Matlab from a scientific software to a powerful and complete solution for your everyday image and video processing needs.
Table of Contents (18 chapters)
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Visual Media Processing Using MATLAB Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
2
Index

Chapter 2. Working with Pixels In Grayscale Images

Now you have grasped some basic visual media processes that MATLAB has to offer. You have learned how to import and export images, apply basic geometric transformations on them, and generally perform tasks that are included in most basic image editors. In this chapter, you will start building up your MATLAB skills by taking advantage of ready-made functions that allow editing of pixel values in an image. You will also start making your own small programs, save them as scripts or functions, and apply them in practical examples.

In this chapter, we will cover:

  • How to manipulate one or more pixels in an image using for loops, or indexing

  • How to perform histogram-based processing using MATLAB

  • How to write our first scripts and functions for automating more complex processes

So, let's get started!

Visually different images
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Visual Media Processing Using MATLAB Beginner's Guide
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