Computer Analysis of Scenes of 3-Dimensional Curved Objects

Computer Analysis of Scenes of 3-Dimensional Curved Objects
Author :
Publisher : Birkhäuser
Total Pages : 134
Release :
ISBN-10 : 9783034852067
ISBN-13 : 3034852061
Rating : 4/5 (061 Downloads)

Book Synopsis Computer Analysis of Scenes of 3-Dimensional Curved Objects by : NEVATIA

Download or read book Computer Analysis of Scenes of 3-Dimensional Curved Objects written by NEVATIA and published by Birkhäuser. This book was released on 2013-12-20 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.


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