Intra-Class Infrared (IR) Tank Pattern Recognition Using Synthetic Discriminant Functions (SDFs)

Charles F. Hester; David Casasent

doi:10.1117/12.932803

7 December 1981 Intra-Class Infrared (IR) Tank Pattern Recognition Using Synthetic Discriminant Functions (SDFs)

Charles F. Hester, David Casasent

Proceedings Volume 0292, Processing of Images and Data from Optical Sensors; (1981) https://doi.org/10.1117/12.932803
Event: 25th Annual Technical Symposium, 1981, San Diego, United States

Abstract

A hyperspace description of a matched spatial filter (MSF) correlator is advanced and used to develop a new MSF that is a synthetic discriminant function (SDF). The use of this filter to recognize objects independent of their aspect is described. Terminal homing recognition of tanks from IR imagery is taken as a case study. Bandpass filtering and a new maximum common information filter synthesis concept and issues such as filter energy are described and used to improve the system's intra-class pattern recognition ability and to overcome the intensity differences present in IR imagery. Experimental verification is also included.

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Charles F. Hester and David Casasent "Intra-Class Infrared (IR) Tank Pattern Recognition Using Synthetic Discriminant Functions (SDFs)", Proc. SPIE 0292, Processing of Images and Data from Optical Sensors, (7 December 1981); https://doi.org/10.1117/12.932803

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KEYWORDS

Pattern recognition

Optical filters

Image processing

Optical correlators

Infrared imaging

Bandpass filters

Image filtering

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