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Proceedings Paper

Spatial multichannel technique to extend synthetic discriminant function (SDF) distortion-invariant range in the real-time hardware optical implementation system
Author(s): Rutong Hong; Wantao He; Xucheng Lu; Wei Ji
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Paper Abstract

A SDF (Synthetic Discriminant Function) could not cover a large distortion range to ensure a good correlation S/N with training images. There exists a limitation for the training image number of a SDF. To extend the distortion range of SDF hardware implementation system, a new spatial multichannel technique was proposed. A multiplex SDF real-time 3D distortion-invariant spatial filtering was realized using holographic technique by means of a special phase grating, a high correlation S/N, very good abilities of intraclass recognition and clutter rejection were got, multiobject tracking and shift invariant abilities were kept. The 3D object OPR (Optical Pattern Recognition) distortion-invariant range was extended greatly. This technique could be applied to practical machine vision purpose.

Paper Details

Date Published: 28 March 1995
PDF: 7 pages
Proc. SPIE 2490, Optical Pattern Recognition VI, (28 March 1995); doi: 10.1117/12.205809
Show Author Affiliations
Rutong Hong, Southwest Institute of Technical Physics (China)
Wantao He, Southwest Institute of Technical Physics (China)
Xucheng Lu, Southwest Institute of Technical Physics (China)
Wei Ji, Southwest Institute of Technical Physics (China)

Published in SPIE Proceedings Vol. 2490:
Optical Pattern Recognition VI
David P. Casasent; Tien-Hsin Chao, Editor(s)

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