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Author

A. Krishnan

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Open access Oct 2026

Harmonizing the National Lung Screening Trial: Kernel resolution and field of view compensation

Low-dose chest computed tomography scans acquired in multi-centre studies exhibit heterogeneity in the form of varying spatial resolution, reconstruction kernel and semantic field-of-view that hinder the reproducibility of quantitative measures and generalizability of downstream analyses. The National Lung Screening Tr...

A. Krishnan, Michael E. Kim, Chen-Yu Gao et al. · 0 citations
Open access Jul 2026

Is correction for gradient nonlinearity necessary in a brain diffusion tensor MRI clinical study?

A simple power analysis indicates that these subtle effects of gradient nonlinearity correction can become statistically detectable in larger multi-site studies exceeding ~1000 subjects, suggesting that GNL should be considered and, where possible, corrected or at least quantified in such settings.

Praitayini Kanakaraj, Tianyuan Yao, Zhiyuan Li et al. · 0 citations

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