1 code implementation • 23 Apr 2024 • Yi Li, Yunan Wu, Aggelos K. Katsaggelos
In response to this challenge, we introduce the Cross-Temporal Spectrogram Autoencoder (CTSAE), a pioneering unsupervised method for the dimensionality reduction and clustering of gravitational wave glitches.
1 code implementation • 18 Jul 2023 • Yunan Wu, Francisco M. Castro-Macías, Pablo Morales-Álvarez, Rafael Molina, Aggelos K. Katsaggelos
Multiple Instance Learning (MIL) has been widely applied to medical imaging diagnosis, where bag labels are known and instance labels inside bags are unknown.
no code implementations • 30 Apr 2023 • Boxiang Wang, Yunan Wu, Chenglong Ye
Transfer learning is an essential tool for improving the performance of primary tasks by leveraging information from auxiliary data resources.
no code implementations • 20 Jan 2023 • Yunan Wu, Amil Dravid, Ramsey Michael Wehbe, Aggelos K. Katsaggelos
The pre-trained fusion model with only CXRs as input increases accuracy to 0. 632 and AUC to 0. 813 and with only clinical variables as input increases accuracy to 0. 539 and AUC to 0. 733.
no code implementations • 26 Jul 2022 • Bingjie, Xu, Yunan Wu, Pengxiao Hao, Marc Vermeulen, Alicia McGeachy, Kate Smith, Katherine Eremin, Georgina Rayner, Giovanni Verri, Florian Willomitzer, Matthias Alfeld, Jack Tumblin, Aggelos Katsaggelos, Marc Walton
The pigment identification results demonstrated that our model achieved comparable results to the analysis by elemental mapping, suggesting the generalizability and stability of our model.
no code implementations • 22 Jan 2022 • Amil Dravid, Florian Schiffers, Yunan Wu, Oliver Cossairt, Aggelos K. Katsaggelos
Generative Adversarial Networks (GANs) have shown promise in augmenting datasets and boosting convolutional neural networks' (CNN) performance on image classification tasks.
no code implementations • 14 Aug 2020 • Emanuel A. Azcona, Pierre Besson, Yunan Wu, Arjun Punjabi, Adam Martersteck, Amil Dravid, Todd B. Parrish, S. Kathleen Bandt, Aggelos K. Katsaggelos
We propose a mesh-based technique to aid in the classification of Alzheimer's disease dementia (ADD) using mesh representations of the cortex and subcortical structures.
no code implementations • 25 Nov 2019 • Yunan Wu, Lan Wang
We first study a smoothed robust estimator that directly targets the parameter corresponding to the Bayes decision rule for optimal treatment regimes estimation.
no code implementations • 10 Aug 2019 • Yunan Wu, Lan Wang
Penalized (or regularized) regression, as represented by Lasso and its variants, has become a standard technique for analyzing high-dimensional data when the number of variables substantially exceeds the sample size.
1 code implementation • 16 Oct 2018 • Yunan Wu, Feng Yang, Ying Liu, Xuefan Zha, Shaofeng Yuan
Then, in order to alleviate the overfitting problem in two-dimensional network, we initialize AlexNet-like network with weights trained on ImageNet, to fit the training ECG images and fine-tune the model, and to further improve the accuracy and robustness of ECG classification.