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

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

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Book Info

Format

Paperback
130 pages

Author

Ramakant Nevatia
More books by Ramakant Nevatia

Publisher

Birkhauser Verlag AG
www.springer.com/

Publication date

1st January 1976

ISBN

9783764308452


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