NDLI: Space-time invariants for recognizing 3D motions from arbitrary viewpoints under perspective projection

Content Provider	IEEE Xplore Digital Library
Author	Ying Piao Hayakawa, K. Sato, J.
Copyright Year	2004
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Nagoya Inst. of Technol., Japan (Ying Piao; Hayakawa, K.; Sato, J.)
Abstract	The visual motions are very important for understanding dynamic actions and for extracting dynamic events from video sequences. Recently, it was shown that some invariants on motions can be extracted from sequential images and these can be applied for recognizing motions from images viewed from arbitrary viewpoints. Unfortunately, invariants were limited for planar motions viewed from affine cameras. In this paper, we propose a method for computing invariants on non-planar motions viewed from perspective cameras. The extracted invariants are applied for distinguishing D motions from video sequences viewed from arbitrary viewpoints.
Starting Page	200
Ending Page	203
File Size	271097
Page Count	4
File Format	PDF
ISBN	0769522440
DOI	10.1109/ICIG.2004.134
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-12-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer science Computer vision Image recognition Statistical analysis Space technology Video sequences Layout Cameras Pattern recognition Application software
Content Type	Text
Resource Type	Article

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Space-time invariants for recognizing 3D motions from arbitrary viewpoints under perspective projection