title: Feature Extraction & Image Processing
author: Mark Nixon
description: Mark Nixon is the Professor in Computer Vision at the University of Southampton UK. His research interests are in image processing and computer vision. His team develops new techniques for static and moving shape extraction which have found application in biometrics and in medical image analysis. His team were early workers in automatic face recognition, later came to pioneer gait recognition and more recently joined the pioneers of ear biometrics. With Tieniu Tan and Rama Chellappa, their book Human ID based on Gait is part of the Springer Series on Biometrics and was published in 2005. He has chaired/ program chaired many conferences (BMVC 98, AVBPA 03, IEEE Face and Gesture FG06, ICPR 04, ICB 09, IEEE BTAS 2010) and given many invited talks. Dr. Nixon is a Fellow IET and a Fellow IAPR.
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  **Feature Extraction**
  
  
  **and**
  
  
  **Image Processing**
  
  
  _Dedication_
  
  
  We would like to dedicate this book to our parents. To Gloria and to
  
  
  Joaquin Aguado, and to Brenda and the late Ian Nixon.
  
  
  **Feature Extraction**
  
  
  **and**
  
  
  **Image Processing**
  
  
  Mark S. Nixon
  
  
  Alberto S. Aguado
  
  
  Newnes
  
  
  OXFORD AUCKLAND BOSTON JOHANNESBURG MELBOURNE NEW DELHI
  
  
  ![](index-4_1.png)
  
  
  ![](index-4_2.png)
  
  
  Newnes
  
  
  An imprint of Butterworth-Heinemann
  
  
  Linacre House, Jordan Hill, Oxford OX2 8DP
  
  
  225 Wildwood Avenue, Woburn, MA 01801-2041
  
  
  A division of Reed Educational and Professional Publishing Ltd
  
  
  A member of the Reed Elsevier plc group
  
  
  First edition 2002
  
  
  © Mark S. Nixon and Alberto S. Aguado 2002
  
  
  All rights reserved. No part of this publication
  
  
  may be reproduced in any material form (including
  
  
  photocopying or storing in any medium by electronic
  
  
  means and whether or not transiently or incidentally
  
  
  to some other use of this publication) without the
  
  
  writ