NDLI: Pictures and trails: a new framework for the computation of shape and motion from perspective image sequences

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Pictures and trails: a new framework for the computation of shape and motion from perspective image sequences

Content Provider	IEEE Xplore Digital Library
Author	Tomasi, C.
Copyright Year	1994
Description	Author affiliation: Dept. of Comput. Sci., Stanford Univ., CA, USA (Tomasi, C.)
Abstract	This paper presents a new framework for the computation of shape and motion from a sequence of images taken under perspective projection. The framework is based on two abstractions, the picture and trail loci, that represent respectively the set of all pictures of the same scene and the set of all trails that a point in the world can leave on the image for a given camera trajectory. These abstractions lead to a remarkably clean relation between perspective and orthography. A shape and motion reconstruction method is developed for the case of a two-dimensional world but all concepts also hold in three dimensions. Experiments show that the method is rather immune to noise but critically dependent on camera calibration.<>
Starting Page	913
Ending Page	918
File Size	500575
Page Count	6
File Format	PDF
ISBN	0818658258
ISSN	10636919
DOI	10.1109/CVPR.1994.323924
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-06-21
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Machine vision Image sequence analysis Image motion analysis Image shape analysis Image reconstruction
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition Software

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