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Prior-Data Fitted Networks (PFNs) represent a paradigm shift in tabular data prediction. We present the principles of this new paradigm and evaluate two PFNs for estimating the average treatment effect (ATE) of a binary treatment on a…

Attribute bias in federated learning (FL) typically leads local models to optimize inconsistently due to the learning of non-causal associations, resulting degraded performance. Existing methods either use data augmentation for increasing…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Zhuang Qi , Sijin Zhou , Lei Meng , Han Hu , Han Yu , Xiangxu Meng

Existing foreground-background (FG-BG) decomposition methods for the few-shot out-of-distribution (FS-OOD) detection often suffer from low robustness due to over-reliance on the local class similarity and a fixed background patch extraction…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Songyue Cai , Zongqian Wu , Yujie Mo , Liang Peng , Ping Hu , Xiaoshuang Shi , Xiaofeng Zhu

Research around Spiking Neural Networks has ignited during the last years due to their advantages when compared to traditional neural networks, including their efficient processing and inherent ability to model complex temporal dynamics.…

神经与进化计算 · 计算机科学 2022-10-04 Aitor Martinez Seras , Javier Del Ser , Jesus L. Lobo , Pablo Garcia-Bringas , Nikola Kasabov

Foundation models for time series imputation remain largely unexplored. Recently, two such models, TabPFN-TS and MoTM, have emerged. These models share a common philosophy that places them within the family of time-indexed foundation…

机器学习 · 计算机科学 2026-02-11 Etienne Le Naour , Tahar Nabil , Adrien Petralia , Ghislain Agoua

Pre-trained transformers are often fine-tuned to aid clinical decision-making using limited clinical notes. Model interpretability is crucial, especially in high-stakes domains like medicine, to establish trust and ensure safety, which…

计算与语言 · 计算机科学 2024-02-28 Aliyah R. Hsu , Yeshwanth Cherapanamjeri , Briton Park , Tristan Naumann , Anobel Y. Odisho , Bin Yu

Developing robust and versatile deep-learning models is essential for enhancing diagnostic accuracy and guiding clinical interventions in medical imaging, but it requires a large amount of annotated data. The advancement of deep learning…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Nahid Ul Islam , DongAo Ma , Jiaxuan Pang , Shivasakthi Senthil Velan , Michael Gotway , Jianming Liang

It is important to quantify the uncertainty of input samples, especially in mission-critical domains such as autonomous driving and healthcare, where failure predictions on out-of-distribution (OOD) data are likely to cause big problems.…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Yong Hyun Ahn , Gyeong-Moon Park , Seong Tae Kim

Out-of-distribution (OOD) detection is a crucial task for ensuring the reliability and safety of deep learning. Currently, discriminator models outperform other methods in this regard. However, the feature extraction process used by…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Luping Liu , Yi Ren , Xize Cheng , Rongjie Huang , Chongxuan Li , Zhou Zhao

Developing reliable UAV navigation systems requires robust air-to-air object detectors capable of distinguishing between objects seen during training and previously unseen objects. While many methods address closed-set detection and achieve…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Spyridon Loukovitis , Vasileios Karampinis , Athanasios Voulodimos

Existing out-of-distribution (OOD) detectors are often tuned by a separate dataset deemed OOD with respect to the training distribution of a neural network (NN). OOD detectors process the activations of NN layers and score the output, where…

机器学习 · 计算机科学 2026-02-06 Sudeepta Mondal , Xinyi Mary Xie , Ruxiao Duan , Alex Wong , Ganesh Sundaramoorthi

Modern machine learning-based recognition approaches require large-scale datasets with large number of labelled training images. However, such datasets are inherently difficult and costly to collect and annotate. Hence there is a great and…

机器学习 · 计算机科学 2019-12-30 Yanwei Fu , De-An Huang , Leonid Sigal

Deep neural networks have shown outstanding performance in computer vision tasks such as semantic segmentation and have defined the state-of-the-art. However, these segmentation models are trained on a closed and predefined set of semantic…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Samuel Marschall , Kira Maag

Dynamical systems governed by ordinary differential equations (ODEs) serve as models for a vast number of natural and social phenomena. In this work, we offer a fresh perspective on the classical problem of imputing missing time series…

机器学习 · 计算机科学 2025-03-17 Patrick Seifner , Kostadin Cvejoski , Antonia Körner , Ramsés J. Sánchez

In this work, we aim to enhance model-based face reconstruction by avoiding fitting the model to outliers, i.e. regions that cannot be well-expressed by the model such as occluders or make-up. The core challenge for localizing outliers is…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Chunlu Li , Andreas Morel-Forster , Thomas Vetter , Bernhard Egger , Adam Kortylewski

There is substantial interest in developing artificial intelligence systems to support radiologists across tasks ranging from segmentation to report generation. Existing computed tomography (CT) foundation models have largely focused on…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Rubén Moreno-Aguado , Alba Magallón , Victor Moreno , Yingying Fang , Guang Yang

Stereo foundation models achieve strong zero-shot generalization but remain computationally prohibitive for real-time applications. Efficient stereo architectures, on the other hand, sacrifice robustness for speed and require costly…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Bowen Wen , Shaurya Dewan , Stan Birchfield

Addressing the Out-of-Distribution (OoD) segmentation task is a prerequisite for perception systems operating in an open-world environment. Large foundational models are frequently used in downstream tasks, however, their potential for OoD…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Nazir Nayal , Youssef Shoeb , Fatma Güney

Given an unsupervised outlier detection (OD) task on a new dataset, how can we automatically select a good outlier detection method and its hyperparameter(s) (collectively called a model)? Thus far, model selection for OD has been a "black…

机器学习 · 计算机科学 2021-03-18 Yue Zhao , Ryan A. Rossi , Leman Akoglu

Out-of-distribution (OOD) detection has received much attention lately due to its importance in the safe deployment of neural networks. One of the key challenges is that models lack supervision signals from unknown data, and as a result,…

机器学习 · 计算机科学 2022-05-11 Xuefeng Du , Zhaoning Wang , Mu Cai , Yixuan Li