NDLI: A novel low-complexity spatio-temporal ultra wide-angle polyphase cone filter bank applied to sub-pixel motion discrimination

Content Provider	IEEE Xplore Digital Library
Author	Kuenzle, B. Bruton, L.T.
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Calgary Univ., Alta., Canada (Kuenzle, B.; Bruton, L.T.)
Abstract	A 3D ultra wide-angle cone-shaped filter pass band may be oriented to surround a 3D plane closely in 3D frequency space, thereby facilitating the selective filtering of 3D linear trajectory spatio-temporal signals. It is shown that the arithmetic complexity of discrete-domain versions of such wide-angle cone filters may be significantly reduced by employing a spatially-decimated 2D DFT-polyphase structure in the analysis and synthesis sections of a filter bank. The desired ultra wide-angle cone-shaped passband is approximated using first-order highly-selective 3D IIR frequency-planar (FP) filters in each band, between the analysis and synthesis sections. An application of this filter bank for the sub-pixel velocity discrimination of objects is described.
Starting Page	2397
Ending Page	2400
File Size	328766
Page Count	4
File Format	PDF
ISBN	0780388348
DOI	10.1109/ISCAS.2005.1465108
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-23
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Filter bank Passband Band pass filters Frequency Image motion analysis Nonlinear filters Filtering IIR filters Signal synthesis Optical signal processing
Content Type	Text
Resource Type	Article

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