Measurement of Image Velocity

Fleet, David J.

ISBN 10: 0792391985 / ISBN 13: 9780792391982

Verlag: Kluwer Academic Publishers, Boston, MA, U.S.A., 1992

Beschreibung

Ex-library: bookplate on pastedown; label on spine; ink stamps on endpapers, title, copyright, edges of page block. Light wear to cover, soiling to bottom edge of page block but text unaffected; contents clean, sound, and bright.

Bestandsnummer des Verkäufers 192878

Bibliografische Details

• Titel: Measurement of Image Velocity
• Verlag: Kluwer Academic Publishers, Boston, MA, U.S.A.
• Erscheinungsjahr: 1992
• Sprache: Englisch
• ISBN-10: 0792391985
• ISBN-13: 9780792391982
• Einband: hardcover
• Auflage: Presumed First.
• Zustand: Good
• Zustand des Schutzumschlags: No Dust Jacket
• Buchtyp: Ex-Library

Über diesen Titel

Inhaltsangabe

Measurement of Image Velocity presents a computational framework for computing motion information from sequences of images. Its specific goal is the measurement of image velocity (or optical flow), the projection of 3-D object motion onto the 2-D image plane.
The formulation of the problem emphasizes the geometric and photometric properties of image formation, and the occurrence of multiple image velocities caused, for example, by specular reflections, shadows, or transparency. The method proposed for measuring image velocity is based on the phase behavior in the output of velocity-tuned filters. Extensive experimental work is used to show that phase can be a reliable source of pure image translation, small geometric deformation, smooth contrast variations, and multiple local velocities. Extensive theorectical analysis is used to explain the robustness of phase with respect to deviations from image translation, and to detect situations in which phase becomes unstable. The results indicate that optical flow may be extracted reliably for computing egomotion and structure from motion.
The monograph also contains a review of other techniques and frequency analysis applied to image sequences, and it discusses the closely related topics of zero-crossing tracking, gradient-based methods, and the measurement of binocular disparity. The work is relevant to those studying machine vision and visual perception.