Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Deblurring random time-varying blur.

L Guan1, R K Ward

  • 1Department of Electrical Engineering, University of British Columbia, Vancouver, Canada.

Journal of the Optical Society of America. A, Optics and Image Science
|November 1, 1989
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Discussion on quality control in the diagnostic process of occupational carpal tunnel syndrome].

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases·2026
Same author

Circ_015350 Mediates Odonto/osteogenic Differentiation in Different Stem Cells.

Journal of dental research·2026
Same author

Evidence for the Collective Nature of Radial Flow in Pb+Pb Collisions with the ATLAS Detector.

Physical review letters·2026
Same author

[One case of cataract caused by occupational trinitrotoluene].

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases·2026
Same author

Evidence for the Dimuon Decay of the Higgs Boson in pp Collisions with the ATLAS Detector.

Physical review letters·2025
Same author

Evidence for Longitudinally Polarized W Bosons in the Electroweak Production of Same-Sign W Boson Pairs in Association with Two Jets in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Physical review letters·2025
Same journal

Phase retrieval with prior information.

Journal of the Optical Society of America. A, Optics and image science·2008
Same journal

Clinical microscopy of the cornea utilizing optical sectioning and a high-numerical-aperture objective.

Journal of the Optical Society of America. A, Optics and image science·1993
Same journal

Eye-tracking laser Doppler velocimeter stabilized in two dimensions: principle, design, and construction.

Journal of the Optical Society of America. A, Optics and image science·1993
Same journal

Effects of aging in retinal image quality.

Journal of the Optical Society of America. A, Optics and image science·1993
Same journal

Axial eye-length measurement by wavelength-shift interferometry.

Journal of the Optical Society of America. A, Optics and image science·1993
Same journal

Fractal analysis of steady-state-flicker visual evoked potentials: feasibility.

Journal of the Optical Society of America. A, Optics and image science·1993
See all related articles

This study addresses image restoration challenges from random, time-varying distortions using multiple images. Advanced methods like Wiener filtering and Karhunen-Loève transformations efficiently handle signal-noise dependency and large datasets.

Area of Science:

  • Image processing
  • Signal processing
  • Computational imaging

Background:

  • Restoring constant images distorted by random, time-varying point-spread functions is a complex challenge.
  • Existing methods struggle with signal-noise dependency and the large data volumes generated over time.

Purpose of the Study:

  • To develop effective image restoration techniques for systems with random, time-varying point-spread functions.
  • To address challenges related to signal-noise dependency and large data sizes in image restoration.

Main Methods:

  • Utilized the Wiener criterion approach to manage signal-noise dependency.
  • Applied Karhunen-Loève transformation for time-space separable cases to reduce computational load.
  • Developed a Wiener filter solution for stationary noise, incorporating fast Fourier transforms and circulant matrix approximations.

Related Experiment Videos

Main Results:

  • Successfully addressed signal-noise dependency using the Wiener criterion.
  • Significantly reduced computational complexity for time-space separable distortions via Karhunen-Loève transformation.
  • Achieved considerable computational savings for stationary noise using FFT and circulant matrix approximations.

Conclusions:

  • The proposed methods effectively restore images distorted by random, time-varying point-spread functions.
  • The study demonstrates efficient handling of signal-noise dependency and large data volumes in image restoration.
  • Optimized computational strategies enhance the feasibility of complex image restoration tasks.