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

Measurement of the point-spread function of a noisy imaging system

Not Accessible

Your library or personal account may give you access

Abstract

The averaged point-spread function (PSF) estimation of an image acquisition system is important for many computer vision applications, including edge detection and depth from defocus. The paper compares several mathematical models of the PSF and presents an improved measurement technique that enables subpixel estimation of 2D functions. New methods for noise suppression and uneven illumination modeling were incorporated. The PSF was computed from an ensemble of edge-spread function measurements. The generalized Gaussian was shown to be an 8 times better fit to the estimated PSF than the Gaussian and a 14 times better fit than the pillbox model.

© 2007 Optical Society of America

Full Article  |  PDF Article
More Like This
Effect of point-spread functions on precision edge measurement

Raymond G. White and Robert A. Schowengerdt
J. Opt. Soc. Am. A 11(10) 2593-2603 (1994)

Slant edge method for point spread function estimation

Chong Fan, Guanda Li, and Chao Tao
Appl. Opt. 54(13) 4097-4103 (2015)

Deriving instrumental point spread functions from partially occulted images

Stefan J. Hofmeister, Michael Hahn, and Daniel Wolf Savin
J. Opt. Soc. Am. A 39(12) 2153-2168 (2022)

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 (20)

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 (3)

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 (15)

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