Reference TypeConference Proceedings
Citation KeyPontiJrMascSuaz:2007:ReExIt
Author1 Ponti Junior, Moacir P.
2 Mascarenhas, Nelson D. A.
3 Suazo, Claudio A. T.
Affiliation1 Departamento de Computação - Universidade Federal de São Carlos
2 Departamento de Computação - Universidade Federal de São Carlos
3 Departamento de Engenharia Química - Universidade Federal de São Carlos
TitleA Restoration and Extrapolation Iterative Method for Band-limited Fluorescence Microscopy Image
Conference NameBrazilian Symposium on Computer Graphics and Image Processing, 20 (SIBGRAPI)
EditorFalcão, Alexandre Xavier
Lopes, Hélio Côrtes Vieira
Book TitleProceedings
DateOct. 7-10, 2007
Publisher CityLos Alamitos
PublisherIEEE Computer Society
Conference LocationBelo Horizonte
KeywordsImage Restoration, Super-resolution, Fluorescence Microscopy.
AbstractOptical microscopic images, especially with a nonconfocal microscope, are fundamentally limited because the optical transfer function (the Fourier transform of the point-spread function) is zero over a region of the spatial-frequency domain. Iterative algorithms were developed for the restoration and extrapolation of diffraction-limited imagery. In this paper we present the effectiveness of an iterative method based on the Richardson-Lucy algorithm for image restoration and a simultaneous modified version of Gerchberg-Papoulis method to extrapolate the spectrum and control the noise amplification. Good convergence stabilization results were achieved and also good numerical results were observed.
Tertiary TypeFull Paper
FormatPrinted, On-line.
Size424 KiB
Number of Files1
Target FilePontiJunior-RestorationExtrapolation_2007.pdf
Last Update2007: administrator
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