Digital Signal And Image Processing Using MATLAB
Digital Signal and Image Processing using MATLAB
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Digital Signal and ImageProcessing using MATLAB Gérard BlanchetMaurice Charbit
Part of this book adapted from “Signaux et images sous Matlab : méthodes, applications etexercices corrigés” published in France by Hermès Science Publications in 2001First published in Great Britain and the United States in 2006 by ISTE LtdTranslated by Antoine HervierApart from any fair dealing for the purposes of research or private study, or criticism orreview, as permitted under the Copyright, Designs and Patents Act 1988, this publication mayonly be reproduced, stored or transmitted, in any form or by any means, with the priorpermission in writing of the publishers, or in the case of reprographic reproduction inaccordance with the terms and licenses issued by the CLA. Enquiries concerning reproductionoutside these terms should be sent to the publishers at the undermentioned address:ISTE Ltd6 Fitzroy SquareLondon W1T 5DXUKISTE USA4308 Patrice RoadNewport Beach, CA 92663USAwww.iste.co.uk HERMES Science Europe Ltd, 2001 ISTE Ltd, 2006The rights of Gérard Blanchet and Maurice Charbit to be identified as the authors of this workhave been asserted by them in accordance with the Copyright, Designs and Patents Act 1988.Library of Congress Cataloging-in-Publication DataBlanchet, Gérard.[Signaux et images sous Matlab. English]Digital signal and image processing using Matlab / Gérard Blanchet, Maurice Charbit.p. cm.Translation of: Signaux et images sous Matlab.Includes index.ISBN-13: 978-1-905209-13-2ISBN-10: 1-905209-13-41. Signal processing--Digital techniques--Data processing. 2. MATLAB. I.Charbit, Maurice.II. Title.TK5102.9.B545 2006621.382'2--dc222006012690British Library Cataloguing-in-Publication DataA CIP record for this book is available from the British LibraryISBN 10: 1-905209-13-4ISBN 13: 978-1-905209-13-2Printed and bound in Great Britain by Antony Rowe Ltd, Chippenham, Wiltshire.
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Digital Signal and Image Processing using MATLAB . Signal processing--Digital techniques--Data processing. 2. MATLAB. I.Charbit, Maurice. II. Title. TK5102.9.B545 2006 621.382'2--dc22 2
most of the digital signal processing concepts have benn well developed for a long time, digital signal processing is still a relatively new methodology. Many digital signal processing concepts were derived from the analog signal processing field, so you will find a lot o f similarities between the digital and analog signal processing.
The input for image processing is an image, such as a photograph or frame of video. The output can be an image or a set of characteristics or parameters related to the image. Most of the image processing techniques treat the image as a two-dimensional signal and applies the standard signal processing techniques to it. Image processing usually .
Digital image processing is the use of computer algorithms to perform image processing on digital images. As a subfield of digital signal processing, digital image processing has many advantages over analog image processing; it allows a much wider range of algorithms to be applied to the in
A digital image is a 2D representation of a scene as a finite set of digital values, calledpicture elements or pixels or pels. The field of digital image processing refers to processing digital image by means of a digital computer. NOTE: A digital image is composed of finite number of elements like picture elements, image
Digital image processing is the use of computer algorithms to perform image processing on digital images. As a . Digital cameras generally include dedicated digital image processing chips to convert the raw data from the image sensor into a color-corrected image in a standard image file format. I
A DSP System A/D DSP D/A Analog signal Analog signal Sampled data signal Analog signal Cts-time dst-amp staricase signal Digital signal Digital signal DSP System Antialiasing Filter Sample and Hold Reconstruction Filter A/D: Iconverts a sampled data signal value into a digital number, in part, through quantization of the amplitude
What is Digital Image Processing? Digital image processing focuses on two major tasks -Improvement of pictorial information for human interpretation -Processing of image data for storage, transmission and representation for autonomous machine perception Some argument about where image processing ends and fields such as image
Java Digital Image Processing 1 Digital Image Processing (DIP) deals with manipulation of digital images using a computer. It is a subfield of signals and systems but focuses particularly on images. DIP focuses on developing a computer system that is able to perform processing on an image. The input of such system is a digital image.
