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Long-tailed imbalance distribution is a common issue in practical computer vision applications. Previous works proposed methods to address this problem, which can be categorized into several classes: re-sampling, re-weighting, transfer…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Pengxiao Han , Changkun Ye , Jieming Zhou , Jing Zhang , Jie Hong , Xuesong Li

We present InfoVAE-Med3D, a latent-representation learning approach for 3D brain MRI that targets interpretable biomarkers of cognitive decline. Standard statistical models and shallow machine learning often lack power, while most deep…

Current medical vision-language models (VLMs) process volumetric brain MRI using 2D slice-based approximations, fragmenting the spatial context required for accurate neuroradiological interpretation. We developed \textbf{Brain3D}, a staged…

计算机视觉与模式识别 · 计算机科学 2026-02-26 Mariano Barone , Francesco Di Serio , Giuseppe Riccio , Antonio Romano , Marco Postiglione , Antonino Ferraro , Vincenzo Moscato

Distributed machine learning (ML) training has become a necessity with the prevalence of billion to trillion-parameter-scale models. While prior work has improved training efficiency from the ML perspective at the application layer, it…

机器学习 · 计算机科学 2026-05-05 Zechen Ma , Zixi Qu , Jinyan Yi , David Lin , Yashar Ganjali

Diffuse gliomas are malignant brain tumors that grow widespread through the brain. The complex interactions between neoplastic cells and normal tissue, as well as the treatment-induced changes often encountered, make glioma tumor growth…

Recently, segmentation methods based on Convolutional Neural Networks (CNNs) showed promising performance in automatic Multiple Sclerosis (MS) lesions segmentation. These techniques have even outperformed human experts in controlled…

图像与视频处理 · 电气工程与系统科学 2021-07-26 Reda Abdellah Kamraoui , Vinh-Thong Ta , Thomas Tourdias , Boris Mansencal , José V Manjon , Pierrick Coupé

Building trustworthy clinical AI systems requires not only accurate predictions but also transparent, biologically grounded explanations. We present \texttt{DiagnoLLM}, a hybrid framework that integrates Bayesian deconvolution, eQTL-guided…

人工智能 · 计算机科学 2025-11-18 Bowen Xu , Xinyue Zeng , Jiazhen Hu , Tuo Wang , Adithya Kulkarni

Longitudinal assessment of brain atrophy, particularly in the hippocampus, is a well-studied biomarker for neurodegenerative diseases, such as Alzheimer's disease (AD). In clinical trials, estimation of brain progressive rates can be…

The generation of medical images presents significant challenges due to their high-resolution and three-dimensional nature. Existing methods often yield suboptimal performance in generating high-quality 3D medical images, and there is…

图像与视频处理 · 电气工程与系统科学 2025-12-02 Haoshen Wang , Zhentao Liu , Kaicong Sun , Xiaodong Wang , Dinggang Shen , Zhiming Cui

3D structural Magnetic Resonance Imaging (MRI) brain scans are commonly acquired in clinical settings to monitor a wide range of neurological conditions, including neurodegenerative disorders and stroke. While deep learning models have…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Emily Kaczmarek , Justin Szeto , Brennan Nichyporuk , Tal Arbel

Early and accurate diagnosis of Alzheimer's disease (AD) and its prodromal period mild cognitive impairment (MCI) is essential for the delayed disease progression and the improved quality of patients'life. The emerging computer-aided…

图像与视频处理 · 电气工程与系统科学 2021-07-29 Fan Zhang , Bo Pan , Pengfei Shao , Peng Liu , Shuwei Shen , Peng Yao , Ronald X. Xu

Clinical abnormality grounding for rare diseases is often hindered by data scarcity, making supervised fine-tuning impractical and single-pass inference highly unstable. We propose Dynamic Decision Learning (DDL), a framework that enables…

计算与语言 · 计算机科学 2026-04-29 Jun Li , Mingxuan Liu , Jiazhen Pan , Che Liu , Wenjia Bai , Cosmin I. Bercea , Julia A. Schnabel

Diffusion magnetic resonance imaging (dMRI) is a crucial non-invasive technique for exploring the microstructure of the living human brain. Traditional hand-crafted and model-based tissue microstructure reconstruction methods often require…

图像与视频处理 · 电气工程与系统科学 2025-02-26 Xinrui Ma , Jian Cheng , Wenxin Fan , Ruoyou Wu , Yongquan Ye , Shanshan Wang

Generative data augmentation with latent diffusion models is a promising strategy for addressing class imbalance in medical imaging, yet current approaches focus on perceptual fidelity and domain-specific autoencoder fine-tuning while…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Mischa Dombrowski , Felix Nützel , Bernhard Kainz

Reinforcement learning (RL) has recently shown promise in predicting Alzheimer's disease (AD) progression due to its unique ability to model domain knowledge. However, it is not clear which RL algorithms are well-suited for this task.…

Understanding brain disorders is crucial for accurate clinical diagnosis and treatment. Recent advances in Multimodal Large Language Models (MLLMs) offer a promising approach to interpreting medical images with the support of text…

图像与视频处理 · 电气工程与系统科学 2025-06-03 Jing Zhang , Xiaowei Yu , Yanjun Lyu , Lu Zhang , Tong Chen , Chao Cao , Yan Zhuang , Minheng Chen , Tianming Liu , Dajiang Zhu

Alzheimer's disease (AD), a degenerative brain condition, can benefit from early prediction to slow its progression. As the disease progresses, patients typically undergo brain atrophy. Current prediction methods for Alzheimers disease…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Xin Honga , Jie Lin , Minghui Wang

Autoregressive (AR) language models build representations incrementally via left-to-right prediction, while diffusion language models (dLLMs) are trained through full-sequence denoising. Although recent dLLMs match AR performance, whether…

计算与语言 · 计算机科学 2026-05-11 Raghavv Goel , Risheek Garrepalli , Sudhanshu Agrawal , Chris Lott , Mingu Lee , Fatih Porikli

Fast convergence speed is a desired property for training latent Dirichlet allocation (LDA), especially in online and parallel topic modeling for massive data sets. This paper presents a novel residual belief propagation (RBP) algorithm to…

机器学习 · 计算机科学 2013-06-14 Jia Zeng , Xiao-Qin Cao , Zhi-Qiang Liu

Alzheimer's disease (AD) is a complex neurodegenerative disorder characterized by the progressive accumulation of misfolded proteins, leading to cognitive decline. This study presents a novel stochastic modelling approach to simulate the…

神经元与认知 · 定量生物学 2024-11-06 Alec MacIver , Hina Shaheen