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Domain adaptation typically requires to access source domain data to utilize their distribution information for domain alignment with the target data. However, in many real-world scenarios, the source data may not be accessible during the…

图像与视频处理 · 电气工程与系统科学 2021-09-22 Cheng Chen , Quande Liu , Yueming Jin , Qi Dou , Pheng-Ann Heng

In medical imaging, segmentation models have known a significant improvement in the past decade and are now used daily in clinical practice. However, similar to classification models, segmentation models are affected by adversarial attacks.…

图像与视频处理 · 电气工程与系统科学 2023-10-06 Othmane Laousy , Alexandre Araujo , Guillaume Chassagnon , Nikos Paragios , Marie-Pierre Revel , Maria Vakalopoulou

This work presents an approach for incrementally updating deep neural network (DNN) models in a non-stationary environment. DNN models are sensitive to changes in input data distribution, which limits their application to problem settings…

机器学习 · 计算机科学 2023-01-31 Abhinit Kumar Ambastha , Leong Tze Yun

Automated semantic segmentation of cell nuclei in microscopic images is crucial for disease diagnosis and tissue microenvironment analysis. Nonetheless, this task presents challenges due to the complexity and heterogeneity of cells. While…

图像与视频处理 · 电气工程与系统科学 2023-08-10 Zhuchen Shao , Sourya Sengupta , Hua Li , Mark A. Anastasio

We introduce CellSegmenter, a structured deep generative model and an amortized inference framework for unsupervised representation learning and instance segmentation tasks. The proposed inference algorithm is convolutional and…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Luca D'Alessio , Mehrtash Babadi

Unsupervised domain adaptation (UDA) has increasingly gained interests for its capacity to transfer the knowledge learned from a labeled source domain to an unlabeled target domain. However, typical UDA methods require concurrent access to…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Qinji Yu , Nan Xi , Junsong Yuan , Ziyu Zhou , Kang Dang , Xiaowei Ding

In recent years, the research landscape of machine learning in medical imaging has changed drastically from supervised to semi-, weakly- or unsupervised methods. This is mainly due to the fact that ground-truth labels are time-consuming and…

图像与视频处理 · 电气工程与系统科学 2021-10-04 Turkay Kart , Wenjia Bai , Ben Glocker , Daniel Rueckert

Empirical risk minimization often performs poorly when the distribution of the target domain differs from those of source domains. To address such potential distribution shifts, we develop an unsupervised domain adaptation approach that…

机器学习 · 统计学 2025-03-25 Zhenyu Wang , Peter Bühlmann , Zijian Guo

We present a weakly supervised deep learning method to perform instance segmentation of cells present in microscopy images. Annotation of biomedical images in the lab can be scarce, incomplete, and inaccurate. This is of concern when…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Fidel A. Guerrero-Peña , Pedro D. Marrero Fernandez , Tsang Ing Ren , Alexandre Cunha

Domain adaptation aims to transfer the knowledge learned on (data-rich) source domains to (low-resource) target domains, and a popular method is invariant representation learning, which matches and aligns the data distributions on the…

信息检索 · 计算机科学 2023-11-01 Ruicheng Xian , Honglei Zhuang , Zhen Qin , Hamed Zamani , Jing Lu , Ji Ma , Kai Hui , Han Zhao , Xuanhui Wang , Michael Bendersky

Many recent medical segmentation systems rely on powerful deep learning models to solve highly specific tasks. To maximize performance, it is standard practice to evaluate numerous pipelines with varying model topologies, optimization…

机器学习 · 计算机科学 2019-11-06 Mathias Perslev , Erik Bjørnager Dam , Akshay Pai , Christian Igel

Medical image segmentation is a fundamental and critical step in many clinical approaches. Semi-supervised learning has been widely applied to medical image segmentation tasks since it alleviates the heavy burden of acquiring…

图像与视频处理 · 电气工程与系统科学 2022-08-29 Yichi Zhang , Rushi Jiao , Qingcheng Liao , Dongyang Li , Jicong Zhang

Unsupervised domain adaptation aims to address the problem of classifying unlabeled samples from the target domain whilst labeled samples are only available from the source domain and the data distributions are different in these two…

机器学习 · 计算机科学 2019-11-20 Qian Wang , Toby P. Breckon

Vehicle classification is a hot computer vision topic, with studies ranging from ground-view up to top-view imagery. In remote sensing, the usage of top-view images allows for understanding city patterns, vehicle concentration, traffic…

Accurate nuclear instance segmentation is a pivotal task in computational pathology, supporting data-driven clinical insights and facilitating downstream translational applications. While large vision foundation models have shown promise…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Wen Zhang , Qin Ren , Wenjing Liu , Haibin Ling , Chenyu You

In the last years decision-focused learning framework, also known as predict-and-optimize, have received increasing attention. In this setting, the predictions of a machine learning model are used as estimated cost coefficients in the…

机器学习 · 计算机科学 2022-06-20 Jayanta Mandi , Víctor Bucarey , Maxime Mulamba , Tias Guns

Interpretation of medical images for diagnosis and treatment of complex disease from high-dimensional and heterogeneous data remains a key challenge in transforming healthcare. In the last few years, both supervised and unsupervised deep…

图像与视频处理 · 电气工程与系统科学 2018-12-20 Khalid Raza , Nripendra Kumar Singh

In the field of medical image analysis, deep learning models have demonstrated remarkable success in enhancing diagnostic accuracy and efficiency. However, the reliability of these models is heavily dependent on the quality of training…

图像与视频处理 · 电气工程与系统科学 2024-07-12 Maolin Li , Giacomo Tarroni

Foundation models are widely employed in medical image analysis, due to their high adaptability and generalizability for downstream tasks. With the increasing number of foundation models being released, model selection has become an…

图像与视频处理 · 电气工程与系统科学 2025-01-27 Fuping Wu , Bartlomiej W. Papiez

In this paper we propose a non-metric ranking-based representation of semantic similarity that allows natural aggregation of semantic information from multiple heterogeneous sources. We apply the ranking-based representation to zero-shot…

机器学习 · 计算机科学 2015-03-02 Jihun Hamm , Mikhail Belkin