Abstract

A frequency-multiplexed coherent optical processor is described that can compute the intensity moments of a gray-scale input image. The space–bandwidth product and dynamic range of the system’s components are discussed. A major feature of the system is the ability to operate easily on its outputs to obtain bipolar moments and to correct for various component errors, nonlinearities, and nonuniformities.

© 1982 Optical Society of America

Full Article  |  PDF Article
More Like This
Hybrid processor to compute invariant moments for pattern recognition

David Casasent and Demetri Psaltis
Opt. Lett. 5(9) 395-397 (1980)

Calculation of geometric moments using Fourier plane intensities

B. V. K. Vijaya Kumar and Craig A. Rahenkamp
Appl. Opt. 25(6) 997-1007 (1986)

Effective optical processor for computing image moments at TV rate: use in handwriting recognition

Jacques Duvernoy and Yun-Long Sheng
Appl. Opt. 26(12) 2320-2327 (1987)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

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

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 OSA member, or as an authorized user of your institution.

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

Figures (5)

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

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

Tables (3)

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

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

Equations (18)

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

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

Metrics

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

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