Computer Analysis of Scenes of 3-Dimensional Curved Objects by Ramakant Nevatia
  

Computer Analysis of Scenes of 3-Dimensional Curved Objects

Written by Ramakant Nevatia
Illustrated by
Part of the Interdisciplinary Systems Research Series

Synopsis

Computer Analysis of Scenes of 3-Dimensional Curved Objects by Ramakant Nevatia

1.0 2 The attention then turned to the problem of Body separation , i.e. separation of occluding bodies in a scene (See [Guzman), [Falk), and [Waltz)). Grape ([Grape)) combined the separation of bodies with recognition, by removing parts of the scene recognized as belonging to a known body. All of these techniques were designed to work with polyhedral objects only, and extensively use the properties of edges and vertices. Though some impressive results have been reported ([Waltz], [Grape)), and perhaps some useful abstractions can be made, the specific techniques used fail to generalize to a wider class of objects. Among previous work on curved objects, B.K.P. Horn ([Horn)) presented techniques for extracting three dimensional depth data from a TV image, using reflection characteristics of the surface. Krakauer ([Krakauer]) represented objects by connections of brightness contours. Ambler et al ([Ambler)) describe experiments with simple shapes, including curved objects, using relations within a two-dimensional image. However, none of these efforts really addresses the problem of shape representation and description. Work on outdoor scene analysis is also concerned with non-polyhedral objects ([Bajcsy], [Yakimovsky]), but again no attention has been paid to shape analysis.

About the Author

Other Formats

Book Info

Format

Paperback
125 pages

Author

Ramakant Nevatia
More books by Ramakant Nevatia

Publisher

Birkhauser Verlag AG

Publication date

1st January 1976

ISBN

9783764308452


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