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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

Basic video processing with MATLAB


In the previous chapter, we were mainly concerned with ways to acquire videos and process them on the fly, using MATLAB. Furthermore, we have already discussed the basic tools and functions for loading existing videos into the MATLAB Workspace window in Chapter 7, Adding Motion – From Static Images to Digital Videos.

Now it is time to revisit the issue of processing existing video files and using MATLAB as a powerful video processing suite. We will start with basic manipulations, such as importing a video to alter its dimensions or crop it, and save it in a new file.

Cropping and resizing our video

A very common task handled efficiently by all video processing suites, is cropping and resizing of our video. Usually, the user has to define the area of the video frame that should be cropped and/or the resizing factor. The video processing software then applies the cropping and/or resizing and saves the new video file. This is a fairly simple process, which consists...

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Visual Media Processing Using MATLAB Beginner's Guide
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