2024
DOI: 10.1117/1.jbo.29.1.016007
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Combined flat-field and frequency filter approach to correcting artifacts of multichannel two-photon microscopy

Thomas Knapp,
Natzem Lima,
Noelle Daigle
et al.

Abstract: Significance: Multiphoton microscopy (MPM) is a useful biomedical imaging tool for its ability to probe labeled and unlabeled depth-resolved tissue biomarkers at high resolution. Automated MPM tile scanning allows for whole-slide image acquisition but can suffer from tile-stitching artifacts that prevent accurate quantitative data analysis.Aim: We have investigated postprocessing artifact correction methods using ImageJ macros and custom Python code. Quantitative and qualitative comparisons of these methods we… Show more

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“…Despite z-stacking, uneven brightness within the individual tile scans results in a grid-like artifact in the image mosaics. Post-processing that has been previously described 22 was used to balance image brightness between image tiles prior to quantification. Pulse-sampling FLIm was completed using a fiber-based multispectral system that has been previously described.…”
Section: Multiphoton and Fluorescence Lifetime Imagingmentioning
confidence: 99%
“…Despite z-stacking, uneven brightness within the individual tile scans results in a grid-like artifact in the image mosaics. Post-processing that has been previously described 22 was used to balance image brightness between image tiles prior to quantification. Pulse-sampling FLIm was completed using a fiber-based multispectral system that has been previously described.…”
Section: Multiphoton and Fluorescence Lifetime Imagingmentioning
confidence: 99%