Improving the illumination sensitivity of optical pattern recognition systems using nonlinear techniques in the Fourier domain

Author

Javidi, Bahram ; Fazlollahi, Amir ; Li, Jian ; Horner, Joseph

Author_Institution

Dept. of Electr. & Syst. Eng., Connecticut Univ., Storrs, CT, USA

fYear

1993

fDate

15-18 Nov 1993

Firstpage

55

Lastpage

56

Abstract

We present an optoelectronic pattern recognition system that can perform image detection in the presence of unknown input scene illumination. The binary joint transform correlator with unknown light illumination is investigated for different thresholding methods

Keywords

Fourier transform optics; Fourier transforms; image recognition; light sources; optoelectronic devices; sensitivity; Fourier domain; binary joint transform correlator; illumination sensitivity; image detection; nonlinear techniques; optical pattern recognition systems; optoelectronic pattern recognition system; thresholding methods; unknown input scene illumination; unknown light illumination; Correlators; Fourier transforms; High speed optical techniques; Layout; Lighting; Nonlinear optical devices; Nonlinear optics; Optical sensors; Pattern recognition; Signal generators;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics Society Annual Meeting, 1993. LEOS '93 Conference Proceedings. IEEE

Conference_Location

San Jose, CA

Print_ISBN

0-7803-1263-5

Type

conf

DOI

10.1109/LEOS.1993.379133

Filename

379133