Abstract

Application of spatial frequency filtering techniques gives powerful tools for the automation of screening of biomedical microsamples. Band-pass filtering provides a size selection of objects, whereas high-pass filtering combined with a subsequent reduction of the field size enables the separation of the superposition of the field and the object spectrum. Besides the theoretical background and numerical evaluations, experimental applications to cytological and cytogenetical samples are shown.

© 1977 Optical Society of America

Full Article  |  PDF Article
More Like This
Noise-free contrast improvement with a low frequency polarizing filter: a practical evaluation

J. Santamaria, P. T. Gough, and D. W. Warren
Appl. Opt. 16(6) 1513-1520 (1977)

Laser speckle reduction: equivalence of the moving aperture method and incoherent spatial filtering

Leif A. Östlund and Klaus Biedermann
Appl. Opt. 16(3) 685-690 (1977)

Optimization of parameters in matched spatial filter synthesis

David Casasent and Alan Furman
Appl. Opt. 16(6) 1662-1669 (1977)

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

Contact your librarian or system administrator
or
Login to access Optica 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 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

Equations (22)

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

Metrics