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Related papers: Wasserstein-Aligned Localisation for VLM-Based Dis…

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Vision-Language Models (VLMs), such as CLIP, have demonstrated remarkable zero-shot out-of-distribution (OOD) detection capabilities, vital for reliable AI systems. Despite this promising capability, a comprehensive understanding of (1) why…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Yuxiao Lee , Xiaofeng Cao , Wei Ye , Jiangchao Yao , Jingkuan Song , Heng Tao Shen

Recent advances in medical vision-language models (VLMs) demonstrate impressive performance in image classification tasks, driven by their strong zero-shot generalization capabilities. However, given the high variability and complexity…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Lie Ju , Sijin Zhou , Yukun Zhou , Huimin Lu , Zhuoting Zhu , Pearse A. Keane , Zongyuan Ge

We propose a generalized method for boosting the generalization ability of pre-trained vision-language models (VLMs) while fine-tuning on downstream few-shot tasks. The idea is realized by exploiting out-of-distribution (OOD) detection to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Kun Ding , Haojian Zhang , Qiang Yu , Ying Wang , Shiming Xiang , Chunhong Pan

Out-of-distribution (OOD) detection has seen significant advancements with zero-shot approaches by leveraging the powerful Vision-Language Models (VLMs) such as CLIP. However, prior research works have predominantly focused on enhancing…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Pei-Kang Lee , Jun-Cheng Chen , Ja-Ling Wu

Deep neural networks achieve superior performance in semantic segmentation, but are limited to a predefined set of classes, which leads to failures when they encounter unknown objects in open-world scenarios. Recognizing and segmenting…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Arnold Brosch , Abdelrahman Eldesokey , Michael Felsberg , Kira Maag

The training and test data for deep-neural-network-based classifiers are usually assumed to be sampled from the same distribution. When part of the test samples are drawn from a distribution that is sufficiently far away from that of the…

Machine Learning · Computer Science 2021-12-14 Yinan Wang , Wenbo Sun , Jionghua "Judy" Jin , Zhenyu "James" Kong , Xiaowei Yue

Vision-Language Models show strong zero-shot performance for chest X-ray classification, but standard flat metrics fail to distinguish between clinically minor and severe errors. This work investigates how to quantify and mitigate…

Artificial Intelligence · Computer Science 2026-01-22 Ben Schaper , Maxime Di Folco , Bernhard Kainz , Julia A. Schnabel , Cosmin I. Bercea

Anomaly detection (AD) plays a pivotal role in numerous web-based applications, including malware detection, anti-money laundering, device failure detection, and network fault analysis. Most methods, which rely on unsupervised learning, are…

Machine Learning · Computer Science 2024-02-07 Haihong Zhao , Chenyi Zi , Yang Liu , Chen Zhang , Yan Zhou , Jia Li

Foundation vision-language models (VLMs) excel on natural images, but their utility for biomedical microscopy remains underexplored. In this paper, we investigate how in-context learning enables state-of-the-art VLMs to perform few-shot…

Vision-Language Models (VLMs), particularly CLIP, have revolutionized anomaly detection by enabling zero-shot and few-shot defect identification without extensive labeled datasets. By learning aligned representations of images and text,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Mohit Kakda , Mirudula Shri Muthukumaran , Uttapreksha Patel , Lawrence Swaminathan Xavier Prince

Zero-shot vision-language models (VLMs) offer a promptable alternative to task-specific training for gross tumor volume (GTV) delineation in non-small-cell lung cancer (NSCLC), but the prompt dimensions that govern their spatial behavior…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Suraj Pai , Thibault Heintz , Cosmin Ciausu , Marion Tonneau , Hugo Aerts , Raymond Mak

Vision-language supervision has made remarkable strides in learning visual representations from textual guidance. In digital pathology, vision-language models (VLM), pre-trained on curated datasets of histological image-captions, have been…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Pablo Meseguer , Rocío del Amor , Valery Naranjo

Wasserstein distance-based distributionally robust optimization (DRO) has received much attention lately due to its ability to provide a robustness interpretation of various learning models. Moreover, many of the DRO problems that arise in…

Optimization and Control · Mathematics 2019-10-29 Jiajin Li , Sen Huang , Anthony Man-Cho So

We propose a novel method for Zero-Shot Anomaly Localization on textures. The task refers to identifying abnormal regions in an otherwise homogeneous image. To obtain a high-fidelity localization, we leverage a bijective mapping derived…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Andrei-Timotei Ardelean , Tim Weyrich

Vision-Language Models (VLMs) have emerged as the dominant approach for zero-shot recognition, adept at handling diverse scenarios and significant distribution changes. However, their deployment in risk-sensitive areas requires a deeper…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Weijie Tu , Weijian Deng , Dylan Campbell , Stephen Gould , Tom Gedeon

Vision-language models (VLMs) trained on internet-scale data achieve remarkable zero-shot detection performance on common objects like car, truck, and pedestrian. However, state-of-the-art models still struggle to generalize to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Peter Robicheaux , Matvei Popov , Anish Madan , Isaac Robinson , Joseph Nelson , Deva Ramanan , Neehar Peri

Vision-Language models (VLMs) that use contrastive language-image pre-training have shown promising zero-shot classification performance. However, their performance on imbalanced dataset is relatively poor, where the distribution of classes…

Artificial Intelligence · Computer Science 2023-06-22 Yidong Wang , Zhuohao Yu , Jindong Wang , Qiang Heng , Hao Chen , Wei Ye , Rui Xie , Xing Xie , Shikun Zhang

One barrier to the clinical deployment of deep learning-based models is the presence of images at runtime that lie far outside the training distribution of a given model. We aim to detect these out-of-distribution (OOD) images with a…

Image and Video Processing · Electrical Eng. & Systems 2023-07-21 McKell Woodland , John Wood , Caleb O'Connor , Ankit B. Patel , Kristy K. Brock

Learning under a Wasserstein loss, a.k.a. Wasserstein loss minimization (WLM), is an emerging research topic for gaining insights from a large set of structured objects. Despite being conceptually simple, WLM problems are computationally…

Computation · Statistics 2017-06-07 Jianbo Ye , James Z. Wang , Jia Li

In trustworthy medical diagnosis systems, integrating out-of-distribution (OOD) detection aims to identify unknown diseases in samples, thereby mitigating the risk of misdiagnosis. In this study, we propose a novel OOD detection framework…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Runhe Lai , Xinhua Lu , Kanghao Chen , Qichao Chen , Wei-Shi Zheng , Ruixuan Wang
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