Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Comparative study of optical–digital vs all-digital techniques in textural pattern recognition

Not Accessible

Your library or personal account may give you access

Abstract

In this study we examine the application of both optical–digital and all-digital techniques in textural pattern recognition and make a comparison of the two approaches. The optical–digital scheme makes use of an optical–digital computer to generate textural measurements based on the 2-D irradiance spectrum. The all-digital scheme produces measurements based on gray-tone spatial-dependence matrices. In both cases two feature extraction algorithms were employed: the Hotelling trace method and the Foley-Sammon discriminant vector analysis. Classification was accomplished using the k-nearest neighbor decision rule. The performance of these techniques was evaluated in an experiment involving the classification of four texture patterns. The results show that, for the textures chosen, both approaches give high classification accuracy with the optical–digital method performing somewhat better.

© 1980 Optical Society of America

Full Article  |  PDF Article
More Like This
Hybrid optical–digital pattern recognition

Fritz Merkle and Thomas Lörch
Appl. Opt. 23(10) 1509-1516 (1984)

Multivariant technique for multiclass pattern recognition

Charles F. Hester and David Casasent
Appl. Opt. 19(11) 1758-1761 (1980)

Rotation-invariant pattern recognition using optimum feature extraction

Ronald Wu and Henry Stark
Appl. Opt. 24(2) 179-184 (1985)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (12)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (6)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (27)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved