Overview

Much of our understanding of the relationships among geometric struc­ tures in images is based on the shape of these structures and their relative orientations, positions and sizes. Thus, developing quantitative methods for capturing shape information from digital images is an important area for computer vision research. This book describes the theory, implemen­ tation, and application of two multi resolution image shape description methods. The author begins by motivating the need for quantitative methods for describing both the spatial and intensity variations of struc­ tures in grey-scale images. Two new methods which capture this informa­ tion are then developed. The first, the intensity axis of symmetry, is a collection of branching and bending surfaces which correspond to the skeleton of the image. The second method, multiresolution vertex curves, focuses on surface curvature properties as the image is blurred by a sequence of Gaussian filters. Implementation techniques for these image shape descriptions are described in detail. Surface functionals are mini­ mized subject to symmetry constraints to obtain the intensity axis of symmetry. Robust numerical methods are developed for calculating and following vertex curves through scale space. Finally, the author demon­ strates how grey-scale images can be segmented into geometrically coher­ ent regions using these shape description techniques. Building quantita­ tive analysis applications in terms of these visually sensible image regions promises to be an exciting area of biomedical computer vision research. v Acknowledgments This book is a corrected and revised version of the author's Ph. D.

Full Product Details

Author:   John M. Gauch
Publisher:   Springer-Verlag New York Inc.
Imprint:   Springer-Verlag New York Inc.
Edition:   Softcover reprint of the original 1st ed. 1992
Dimensions:   Width: 15.50cm , Height: 0.70cm , Length: 23.50cm
Weight:   0.230kg
ISBN:  

9781461276890

ISBN 10:   1461276896
Pages:   131
Publication Date:   22 September 2011
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

1 Introduction and Background.- 1.1. Shape Description.- 1.2. Image Description.- 1.3. Image Shape Description.- 2 The Intensity Axis of Symmetry.- 2.1. Axes of Symmetry.- 2.2. The Intensity Axis of Symmetry (IAS).- 2.3. Properties of the IAS.- 2.4. Discussion.- 3 Computing the Intensity Axis of Symmetry.- 3.1. Level by Level Calculation of Axes.- 3.2. Simultaneous Calculation of Axes.- 3.3. Discussion.- 4 Segmentation via the Intensity Axis of Symmetry.- 4.1. Displaying the IAS.- 4.2. Image Segmentation.- 4.3. Effects of Image Processing.- 4.4. Discussion.- 5 Multiresolution Analysis of the Intensity Axis of Symmetry.- 5.1. Early Multiresolution Analysis.- 5.2. The Multiresolution IAS.- 5.3. Multiresolution Vertex Curves.- 5.4. Multiresolution Watershed Boundaries.- 5.5. Discussion.- 6 Conclusions.- 6.1. The Definition of the IAS.- 6.2. An Implementation of the IAS.- 6.3. Image Segmentation Using the IAS.- 6.4. Multiresolution Analysis of the IAS.- 6.5. New Research Directions.

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