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Theory of Reconstruction from Image Motion

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概要 The image taken by a moving camera changes with time. These image motions contain information about the motion of the camera and about the shapes of the objects in the field of view. There are two mai...n types of image motion, finite displacements and image velocities. Finite displacements are described by the point correspondences between two images of the same scene taken from different positions. Image velocities are the velocities of the points in the image as they move over the projection surface. Reconstruction is the task of obtaining from the image-motions information about the camera motion or about the shapes of objects in the field of view. In this book the theory underlying reconstruction is described. Reconstruction from image motion is the subject matter of two different sci entific disciplines, photogrammetry and computer vision. In photogrammetry the accuracy of reconstruction is emphasised; in computer vision the emphasis is on methods for obtaining information from images in real time in order to guide a mechanical device such as a robot arm or an automatic vehicle. This book arises from recent work carried out in computer vision. Computer vision is a young field but it is developing rapidly. The earliest papers on reconstruction in the computer vision literature date back only to the mid 1970s. As computer vision develops, the mathematical techniques applied to the analysis of recon struction become more appropriate and more powerful.続きを見る
目次 1 Introduction
1.1 Background
1.2 Reconstruction
1.3 Conventions About the Image
1.4 Mathematical Background
References
2 Reconstruction from Image Correspondences
2.1 Euclidean Framework for Reconstruction
2.2 Essential Matrices
2.3 Projective Framework for Reconstruction
2.4 Reconstruction up to a Collineation
References
3 Critical Surfaces and Horopter Curves
3.1 The Absolute Conic
3.2 Rectangular Quadrics
3.3 Horopter Curves
3.4 Horopter Curves and Reconstruction
3.5 Reconstruction up to a Collineation
References
4 Reconstruction from Image Velocities
4.1 Framework
4.2 Ambiguity
4.3 Algebraic Properties of Four Image Velocity Vectors
4.4 The Linear System of Quartics
4.5 The Derivatives of the Image Velocity Field
References
5 Reconstruction from Minimal Data
5.1 Kruppa's Method
5.2 Demazure's Method
5.3 Reconstruction up to a Collineation
5.4 Reconstruction From Five Image Velocity Vectors
References
6 Algorithms
6.1 Reconstruction from Image Correspondences
6.2 Reconstruction from Image Velocities
References.
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登録日 2020.06.27
更新日 2020.06.28