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Lu-Lu Wang

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Open access Oct 2026

Repeat-consistency learning for improving repeatability of brain-age prediction from structural MRI.

Structural magnetic resonance imaging (MRI)-based brain-age prediction is increasingly used as an imaging-derived marker of brain ageing, but good predictive accuracy does not guarantee stable estimates when the same individual is scanned repeatedly. This study proposes repeat-consistency learning (RCL), a training fra...

Lu-Lu Wang · 0 citations
Open access Sep 2026

Class-imbalance-sensitive evaluation of automated decisions in mixed heart–lung auscultation

Objective. Automated auscultation models are commonly evaluated using aggregate metrics, although mixed heart–lung recordings may be severely imbalanced and contain related acquisition conditions. This study examined whether prevalence, grouping, imbalance correction and decision-threshold selection materially affect t...

Lu-Lu Wang · 0 citations
Open access Aug 2026

GRAIL-heart: A graph attention network for inferring ligand-receptor interactions in spatial transcriptomics

GRAIL-Heart is presented, a graph-attention-based framework that integrates spatial tissue topology with multi-task learning to predict context-dependent L-R interactions, reconstruct gene expression, and infer causal signalling pathways in spatial transcriptomics data.

Tumo Kgabeng, Lu-Lu Wang, H. Ngwangwa et al. · 0 citations

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