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In this paper, we aim to synthesize cell microscopy images under different molecular interventions, motivated by practical applications to drug development. Building on the recent success of graph neural networks for learning molecular…

Biomolecules · Quantitative Biology 2020-06-16 Karren Yang , Samuel Goldman , Wengong Jin , Alex Lu , Regina Barzilay , Tommi Jaakkola , Caroline Uhler

Carbon ion therapy have the ability to overcome the limitation of convertional radiotherapy due to its most energy deposition in selective depth, usually called Bragg peak, which results in increased biological effectiness. During carbon…

We introduce Diffusion Active Learning, a novel approach that combines generative diffusion modeling with data-driven sequential experimental design to adaptively acquire data for inverse problems. Although broadly applicable, we focus on…

Machine Learning · Computer Science 2025-04-07 Luis Barba , Johannes Kirschner , Tomas Aidukas , Manuel Guizar-Sicairos , Benjamín Béjar

Deep generative models have significantly advanced medical imaging analysis by enhancing dataset size and quality. Beyond mere data augmentation, our research in this paper highlights an additional, significant capacity of deep generative…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Xiaodan Xing , Junzhi Ning , Yang Nan , Guang Yang

Optical microrobots actuated by optical tweezers (OT) are important for cell manipulation and microscale assembly, but their autonomous operation depends on accurate 3D perception. Developing such perception systems is challenging because…

Robotics · Computer Science 2026-04-14 Lan Wei , Zongcai Tan , Kangyi Lu , Jian-Qing Zheng , Dandan Zhang

Synthesizing amyloid PET scans from the more widely available and accessible structural MRI modality offers a promising, cost-effective approach for large-scale Alzheimer's Disease (AD) screening. This is motivated by evidence that, while…

Image and Video Processing · Electrical Eng. & Systems 2025-11-12 Alec Sargood , Lemuel Puglisi , James H. Cole , Neil P. Oxtoby , Daniele Ravì , Daniel C. Alexander

Creating large-scale datasets for training high-performance generative models is often prohibitively expensive, especially when associated attributes or annotations must be provided. As a result, merging existing datasets has become a…

Machine Learning · Statistics 2026-03-31 Yanfeng Yang , Kenji Fukumizu

Alzheimers disease progresses slowly and involves complex interaction between various biological factors. Longitudinal medical imaging data can capture this progression over time. However, longitudinal data frequently encounter issues such…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Duy-Phuong Dao , Hyung-Jeong Yang , Jahae Kim

Autonomous agents, such as driverless cars, require large amounts of labeled visual data for their training. A viable approach for acquiring such data is training a generative model with collected real data, and then augmenting the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-08 Moein Sorkhei , Gustav Eje Henter , Hedvig Kjellström

Background: Alzheimer's disease (AD) diagnosis heavily relies on amyloid-beta positron emission tomography (Abeta-PET), which is limited by high cost and limited accessibility. This study explores whether Abeta-PET spatial patterns can be…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Zhengjie Zhang , Xiaoxie Mao , Qihao Guo , Shaoting Zhang , Qi Huang , Mu Zhou , Fang Xie , Mianxin Liu

Diffusion models have recently enabled state-of-the-art reconstruction of positron emission tomography (PET) images while requiring only image training data. However, domain shift remains a key concern for clinical adoption: priors trained…

Medical Physics · Physics 2025-10-16 George Webber , Alexander Hammers , Andrew P. King , Andrew J. Reader

Generative AI framework-based modeling and prediction of longitudinal human brain images offer an efficient mechanism to track neurodegenerative progression, essential for the assessment of diseases like Alzheimer's. Among the existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Ayantika Das , Keerthi Ram , Mohanasankar Sivaprakasam

Fluorodeoxyglucose positron emission tomography (FDG-PET) imaging based 3D topographic brain glucose metabolism patterns from normal controls (NC) and individuals with dementia of Alzheimer's type (DAT) are used to train a novel multi-scale…

Beta-amyloid positron emission tomography (A$\beta$-PET) imaging has become a critical tool in Alzheimer's disease (AD) research and diagnosis, providing insights into the pathological accumulation of amyloid plaques, one of the hallmarks…

Image and Video Processing · Electrical Eng. & Systems 2024-10-02 Qing Lyu , Jin Young Kim , Jeongchul Kim , Christopher T Whitlow

Prior methods for controlling image generation are limited in their ability to be taught new tasks. In contrast, vision-language models, or VLMs, can learn tasks in-context and produce the correct outputs for a given input. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Grace Luo , Jonathan Granskog , Aleksander Holynski , Trevor Darrell

Recent state-of-the-art video generation systems employ Generative Adversarial Networks (GANs) or Variational Autoencoders (VAEs) to produce novel videos. However, VAE models typically produce blurry outputs when faced with sub-optimal…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 David Donahue

Most existing text-to-image generation methods adopt a multi-stage modular architecture which has three significant problems: 1) Training multiple networks increases the run time and affects the convergence and stability of the generative…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Zhenxing Zhang , Lambert Schomaker

Positron emission tomography (PET) is widely used to assess metabolic activity, but its application is limited by the availability of radiotracers. 18F-labeled fluorodeoxyglucose (18F-FDG) is the most commonly used tracer but shows limited…

Image and Video Processing · Electrical Eng. & Systems 2025-06-24 Fang Chen , Weifeng Zhang , Xingyu Ai , BingXuan Li , An Li , Qiegen Liu

The objective of this study was to develop a PET tumor-segmentation framework that addresses the challenges of limited spatial resolution, high image noise, and lack of clinical training data with ground-truth tumor boundaries in PET…

Detecting amyloid-$\beta$ (A$\beta$) positivity is crucial for early diagnosis of Alzheimer's disease but typically requires PET imaging, which is costly, invasive, and not widely accessible, limiting its use for population-level screening.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Francesco Chiumento , Julia Dietlmeier , Ronan P. Killeen , Kathleen M. Curran , Noel E. O'Connor , Mingming Liu