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Self-supervised instance discrimination is an effective contrastive pretext task to learn feature representations and address limited medical image annotations. The idea is to make features of transformed versions of the same images similar…

计算机视觉与模式识别 · 计算机科学 2022-11-17 Yejia Zhang , Xinrong Hu , Nishchal Sapkota , Yiyu Shi , Danny Z. Chen

Counterfactual image generation is a powerful tool for augmenting training data, de-biasing datasets, and modeling disease. Current approaches rely on external classifiers or regressors to increase the effectiveness of subject-level…

Decision Transformers (DT) play a crucial role in modern reinforcement learning, leveraging offline datasets to achieve impressive results across various domains. However, DT requires high-quality, comprehensive data to perform optimally.…

人工智能 · 计算机科学 2025-05-15 Minh Hoang Nguyen , Linh Le Pham Van , Thommen George Karimpanal , Sunil Gupta , Hung Le

Counterfactual explanations emerge as a powerful approach in explainable AI, providing what-if scenarios that reveal how minimal changes to an input time series can alter the model's prediction. This work presents a survey of recent…

机器学习 · 计算机科学 2026-03-31 Udo Schlegel , Thomas Seidl

Ensuring transparency in AI decision-making requires interpretable explanations, particularly at the instance level. Counterfactual explanations are a powerful tool for this purpose, but existing techniques frequently depend on synthetic…

机器学习 · 计算机科学 2025-02-13 Minh Hieu Nguyen , Viet Hung Doan , Anh Tuan Nguyen , Jun Jo , Quoc Viet Hung Nguyen

This paper investigates a 2D to 3D image translation method with a straightforward technique, enabling correlated 2D X-ray to 3D CT-like reconstruction. We observe that existing approaches, which integrate information across multiple 2D…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Abril Corona-Figueroa , Hubert P. H. Shum , Chris G. Willcocks

Providing explanations about how machine learning algorithms work and/or make particular predictions is one of the main tools that can be used to improve their trusworthiness, fairness and robustness. Among the most intuitive type of…

机器学习 · 计算机科学 2024-04-12 Rubén Ruiz-Torrubiano

Counterfactual Explanations (CEs) help address the question: How can the factors that influence the prediction of a predictive model be changed to achieve a more favorable outcome from a user's perspective? Thus, they bear the potential to…

机器学习 · 计算机科学 2023-11-27 Xuan Zhao , Klaus Broelemann , Gjergji Kasneci

Machine-learning models, which are known to accurately predict patterns from large datasets, are crucial in decision making. Consequently, counterfactual explanations-methods explaining predictions by introducing input perturbations-have…

机器学习 · 计算机科学 2024-04-23 Yuta Sumiya , Hayaru shouno

Counterfactual generation offers a principled framework for simulating hypothetical changes in medical imaging, with potential applications in understanding disease mechanisms and generating physiologically plausible data. However,…

图像与视频处理 · 电气工程与系统科学 2025-08-25 Pengwei Sun , Wei Peng , Lun Yu Li , Yixin Wang , Kilian M. Pohl

When an image classifier makes a prediction, which parts of the image are relevant and why? We can rephrase this question to ask: which parts of the image, if they were not seen by the classifier, would most change its decision? Producing…

计算机视觉与模式识别 · 计算机科学 2019-02-27 Chun-Hao Chang , Elliot Creager , Anna Goldenberg , David Duvenaud

Counterfactual explanations are one of the prominent eXplainable Artificial Intelligence (XAI) techniques, and suggest changes to input data that could alter predictions, leading to more favourable outcomes. Existing counterfactual methods…

人工智能 · 计算机科学 2025-05-22 Andrei Buliga , Chiara Di Francescomarino , Chiara Ghidini , Marco Montali , Massimiliano Ronzani

Current 3D semi-supervised segmentation methods face significant challenges such as limited consideration of contextual information and the inability to generate reliable pseudo-labels for effective unsupervised data use. To address these…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Sanaz Karimijafarbigloo , Reza Azad , Yury Velichko , Ulas Bagci , Dorit Merhof

Self-supervised deep learning has accelerated 2D natural image analysis but remains difficult to translate into 3D MRI, where data are scarce and pre-trained 2D backbones cannot capture volumetric context. We present a…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Liam Chalcroft , Jenny Crinion , Cathy J. Price , John Ashburner

Deep learning has the potential to revolutionize medical practice by automating and performing important tasks like detecting and delineating the size and locations of cancers in medical images. However, most deep learning models rely on…

图像与视频处理 · 电气工程与系统科学 2023-11-28 Eirik A. Østmo , Kristoffer K. Wickstrøm , Keyur Radiya , Michael C. Kampffmeyer , Robert Jenssen

Explainability for machine learning models has gained considerable attention within the research community given the importance of deploying more reliable machine-learning systems. In computer vision applications, generative counterfactual…

Counterfactual Explanations (CEs) are an important tool in Algorithmic Recourse for addressing two questions: 1. What are the crucial factors that led to an automated prediction/decision? 2. How can these factors be changed to achieve a…

机器学习 · 计算机科学 2023-11-23 Xuan Zhao , Klaus Broelemann , Gjergji Kasneci

Generative modeling of 3D shapes has become an important problem due to its relevance to many applications across Computer Vision, Graphics, and VR. In this paper we build upon recently introduced 3D mesh-convolutional Variational…

机器学习 · 计算机科学 2019-06-11 Jake Levinson , Avneesh Sud , Ameesh Makadia

Counterfactual examples have emerged as an effective approach to produce simple and understandable post-hoc explanations. In the context of graph classification, previous work has focused on generating counterfactual explanations by…

机器学习 · 计算机科学 2023-07-28 Carlo Abrate , Giulia Preti , Francesco Bonchi

Counterfactual generation lies at the core of various machine learning tasks, including image translation and controllable text generation. This generation process usually requires the identification of the disentangled latent…

机器学习 · 计算机科学 2024-02-26 Hanqi Yan , Lingjing Kong , Lin Gui , Yuejie Chi , Eric Xing , Yulan He , Kun Zhang