Seeing Seeing The Computational Approach to Biological Vision Second Edition John P. Frisby and James V. Stone The MIT Press Cambridge, Massachusetts London, England © 2010 Massachusetts Institute of Technology AJI rights reserved. No part of this book may be reproduced in any form by any electronic or mechanical means (including photocopying, recording, or information storage and retrieval) without permission in writing from the publisher. MIT Press books may be purchased at special quantity discounts for business or sales promotional use. For information, please email
[email protected] edu or write to Special Sales Department, The MIT Press, 55 Hayward Street, Cambridge, MA 02142. This book was set in Adobe InDesign CS3 by John P. Frisby. Printed and bound in the United States of America. Library of Congress Cataloging-in-Publication Data Seeing: the computational approach to biological vision / John P. Frisby and James V Stone-2nd ed. p. cm. Includes bibliographical references and index. ISBN 978-0-262-51427-9 (pbk. : a1k. paper) l. Visual perception. 2. Optical illusions. 3. Psychophysiology. 1. Stone, James V II. T ide. BF24l.F74 2010 152.14-dc22 2009031989 Dedications John Frisby: to Jo, without whose support this project wo uld probably never have been started, and without which it most definitely would never have been fini shed . James Stone: to Nikki, Sebastian , and Teleri, without whom thi s book wo uld have been fini shed sooner, but with fewer beautiful photographs. In seeing eye to eye there's more than meets The eye. And motes and beams within the eye Of mind are harder lost to sight than all My eye and Betry Martin could have seen. We are all eyes. Even the blind have