no code implementations • 13 Oct 2023 • Erfan Darzi, Yiqing Shen, Yangming Ou, Nanna M. Sijtsema, P. M. A van Ooijen
Optimization-based regularization methods have been effective in addressing the challenges posed by data heterogeneity in medical federated learning, particularly in improving the performance of underrepresented clients.
no code implementations • 18 Apr 2023 • Sheng He, Rina Bao, Jingpeng Li, Jeffrey Stout, Atle Bjornerud, P. Ellen Grant, Yangming Ou
Associations of SAM's accuracy with six factors were computed, independently and jointly, including segmentation difficulties as measured by segmentation ability score and by Dice overlap in U-Net, image dimension, size of the target region, image modality, and contrast.
no code implementations • 3 Apr 2023 • Sheng He, Rina Bao, P. Ellen Grant, Yangming Ou
The global-context information among local patches is learnt by the self-attention mechanism in Transformer and U-Net segments each local patch instead of flattening into tokens to solve the `token-flatten" problem.
1 code implementation • 19 Dec 2022 • Sheng He, Yanfang Feng, P. Ellen Grant, Yangming Ou
In addition, our method can provide a mean SA score which can give a performance estimation of the output on the test images without ground-truth.
no code implementations • 13 Apr 2022 • Sheng He, Yanfang Feng, P. Ellen Grant, Yangming Ou
In this paper, we propose deep relation learning for regression, aiming to learn different relations between a pair of input images.
1 code implementation • 3 Sep 2021 • Sheng He, P. Ellen Grant, Yangming Ou
The fine-grained information from the local patches are fused with the global-context information by the attention mechanism, inspired by the transformer, to estimate the brain age.
no code implementations • 20 Feb 2020 • Sheng He, Randy L. Gollub, Shawn N. Murphy, Juan David Perez, Sanjay Prabhu, Rudolph Pienaar, Richard L. Robertson, P. Ellen Grant, Yangming Ou
Brain age prediction based on children's brain MRI is an important biomarker for brain health and brain development analysis.