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Safe navigation in new environments requires autonomous vehicles and robots to accurately interpret their surroundings, relying on LiDAR scene segmentation, out-of-distribution (OOD) obstacle detection, and uncertainty computation. We…

机器学习 · 计算机科学 2024-10-14 Hanieh Shojaei , Qianqian Zou , Max Mehltretter

Real-life machine learning problems exhibit distributional shifts in the data from one time to another or from one place to another. This behavior is beyond the scope of the traditional empirical risk minimization paradigm, which assumes…

机器学习 · 计算机科学 2024-07-24 Timothy DeLise

Augmentation by generative modelling yields a promising alternative to the accumulation of surgical data, where ethical, organisational and regulatory aspects must be considered. Yet, the joint synthesis of (image, mask) pairs for…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Yannik Frisch , Christina Bornberg , Moritz Fuchs , Anirban Mukhopadhyay

Deploying machine learning in open environments presents the challenge of encountering diverse test inputs that differ significantly from the training data. These out-of-distribution samples may exhibit shifts in local or global features…

机器学习 · 计算机科学 2024-03-19 Jiawei Li , Sitong Li , Shanshan Wang , Yicheng Zeng , Falong Tan , Chuanlong Xie

Machine learning continues to grow in popularity due to its ability to learn increasingly complex tasks. However, for many supervised models, the shift in a data distribution or the appearance of a new event can result in a severe decrease…

机器学习 · 计算机科学 2021-10-19 Ryan King , Bobak Mortazavi

Gaussian state space models have been used for decades as generative models of sequential data. They admit an intuitive probabilistic interpretation, have a simple functional form, and enjoy widespread adoption. We introduce a unified…

机器学习 · 统计学 2016-12-06 Rahul G. Krishnan , Uri Shalit , David Sontag

Open-set supervised anomaly detection (OSAD) aims to identify unseen anomalies using limited anomalous supervision. However, existing prototype-based methods typically model normal data via a unimodal Gaussian prior, failing to capture…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Fuyun Wang , Yuanzhi Wang , Xu Guo , Sujia Huang , Tong Zhang , Dan Wang , Hui Yan , Xin Liu , Zhen Cui

Out-of-distribution detection is a common issue in deploying vision models in practice and solving it is an essential building block in safety critical applications. Most of the existing OOD detection solutions focus on improving the OOD…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Tomas Vojir , Jan Sochman , Rahaf Aljundi , Jiri Matas

Learning general-purpose representations from perceptual inputs is a hallmark of human intelligence. For example, people can write out numbers or characters, or even draw doodles, by characterizing these tasks as different instantiations of…

机器学习 · 计算机科学 2022-06-28 Yichao Liang , Joshua B. Tenenbaum , Tuan Anh Le , N. Siddharth

Gaussian splatting demonstrates proficiency for 3D scene modeling but suffers from substantial data volume due to inherent primitive redundancy. To enable future photorealistic 3D immersive visual communication applications, significant…

图形学 · 计算机科学 2025-04-18 Xiangrui Liu , Xinju Wu , Shiqi Wang , Zhu Li , Sam Kwong

We introduce ProtoSeg, a novel model for interpretable semantic image segmentation, which constructs its predictions using similar patches from the training set. To achieve accuracy comparable to baseline methods, we adapt the mechanism of…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Mikołaj Sacha , Dawid Rymarczyk , Łukasz Struski , Jacek Tabor , Bartosz Zieliński

Deep learning has been demonstrated with tremendous success in recent years. Despite so, its performance in practice often degenerates drastically when encountering out-of-distribution (OoD) data, i.e. training and test data are sampled…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Haoyue Bai

Few-Shot Learning (FSL) is a challenging task, \emph{i.e.}, how to recognize novel classes with few examples? Pre-training based methods effectively tackle the problem by pre-training a feature extractor and then predicting novel classes…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Baoquan Zhang , Xutao Li , Shanshan Feng , Yunming Ye , Rui Ye

Prototypical part neural networks (ProtoPartNNs), namely PROTOPNET and its derivatives, are an intrinsically interpretable approach to machine learning. Their prototype learning scheme enables intuitive explanations of the form, this…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Zachariah Carmichael , Suhas Lohit , Anoop Cherian , Michael Jones , Walter Scheirer

In recent years, Artificial Intelligence (AI) models have achieved remarkable success across various domains, yet challenges persist in two critical areas: ensuring robustness against uncertain inputs and drastically increasing model…

机器学习 · 计算机科学 2025-02-20 Erik B. Terres-Escudero , Javier Del Ser , Aitor Martínez-Seras , Pablo Garcia-Bringas

Computer vision tasks are difficult because of the large variability in the data that is induced by changes in light, background, partial occlusion as well as the varying pose, texture, and shape of objects. Generative approaches to…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Adam Kortylewski , Mario Wieser , Andreas Morel-Forster , Aleksander Wieczorek , Sonali Parbhoo , Volker Roth , Thomas Vetter

The semantic synthesis of unseen scenes from multiple viewpoints is crucial for research in 3D scene understanding. Current methods are capable of rendering novel-view images and semantic maps by reconstructing generalizable Neural Radiance…

图形学 · 计算机科学 2025-05-09 Feng Xiao , Hongbin Xu , Wanlin Liang , Wenxiong Kang

In this work, we train a network to simultaneously perform segmentation and pixel-wise Out-of-Distribution (OoD) detection, such that the segmentation of unknown regions of scenes can be rejected. This is made possible by leveraging an OoD…

计算机视觉与模式识别 · 计算机科学 2021-03-02 David Williams , Matthew Gadd , Daniele De Martini , Paul Newman

Few-shot segmentation targets to segment new classes with few annotated images provided. It is more challenging than traditional semantic segmentation tasks that segment known classes with abundant annotated images. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Jinlu Liu , Yongqiang Qin

Out-of-distribution (OOD) robustness is a critical challenge for modern machine learning systems, particularly as they increasingly operate in multimodal settings involving inputs like video, audio, and sensor data. Currently, many OOD…

机器学习 · 计算机科学 2026-02-23 Yuehan Qin , Li Li , Defu Cao , Tiankai Yang , Jiate Li , Yue Zhao