Affine Structure from Translational Motion in Image Sequences

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Affine Structure from Translational Motion in Image Sequences

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Publication Conference Paper, peer reviewed
Title Affine Structure from Translational Motion in Image Sequences
Author(s) Hammarstedt, Pär ; Kahl, Fredrik ; Heyden, Anders
Date 2003
English abstract
In this paper a method for obtaining affine structure from an image sequence taken by a translating camera with constant intrinsic parameters is presented. A general geometric constraint, expressed using the camera matrices, is derived and this constraint is used in a least squares solution of the problem. The first step is to obtain a projective reconstruction, in the form of a sequence of camera matrices (and a sparse set of feature points), and then these constraints are used to upgrade to an affine reconstruction. The proposed algorithm extends previous results of affine structure recovery from two images with a translating camera to the general case of a sequence of images. The proposed method is illustrated in both simulated and real experiments.
Host/Issue Lecture Notes in Computer Science
Language eng (iso)
Subject(s) structure and motion estimation
translating motion
affine cameras
stratification
Note Scandinavian Conference on Image Analysis, Gothenburg, Sweden
Handle http://hdl.handle.net/2043/1255 Permalink to this page

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