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Images and Artefacts of the Ancient World$
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Alan K. Bowman and Michael Brady

Print publication date: 2005

Print ISBN-13: 9780197262962

Published to British Academy Scholarship Online: January 2012

DOI: 10.5871/bacad/9780197262962.001.0001

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Shape from Profiles

Shape from Profiles

(p.124) (p.125) Chapter 13 Shape from Profiles
Images and Artefacts of the Ancient World

Roberto Cipolla

Kwan-Yee K. Wong

British Academy

This chapter discusses profiles or outlines which are dominant features of images. Profiles can be extracted easily and reliably from the images and can provide information on the shape and motion of an object. Classical techniques for motion estimation and model reconstruction are highly dependent on point and line correspondences, hence they cannot be applied directly to profiles which are viewpoint dependent. The limitations of classical techniques paved the way for the creation of different sets of algorithms specific to profiles. In this chapter, the focus is on state-of-the-art algorithms for model reconstruction and model estimation from profiles. These new sets of algorithms are capable of reconstructing any kind of objects including smooth and textureless surfaces. They also render convincing 3D models, reinforcing the practicality of the algorithm.

Keywords:   profiles, shape, motion, motion estimation, model reconstruction, algorithms, 3D models

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