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Related papers: AG-VAS: Anchor-Guided Zero-Shot Visual Anomaly Seg…

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Zero-shot 3D anomaly detection aims to identify anomalies without access to training data from target categories. However, existing methods mainly rely on projecting 3D observations into multi-view representations that primarily capture…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Letian Bai , Xuanming Cao , Juan Du , Chengyu Tao

Anomaly recognition plays a vital role in surveillance, transportation, healthcare, and public safety. However, most existing approaches rely solely on visual data, making them unreliable under challenging conditions such as occlusion, low…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Amjid Ali , Zulfiqar Ahmad Khan , Altaf Hussain , Muhammad Munsif , Adnan Hussain , Sung Wook Baik

This study explores the recently proposed and challenging multi-view Anomaly Detection (AD) task. Single-view tasks will encounter blind spots from other perspectives, resulting in inaccuracies in sample-level prediction. Therefore, we…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Haoyang He , Jiangning Zhang , Guanzhong Tian , Chengjie Wang , Lei Xie

In semi-supervised semantic segmentation, a model is trained with a limited number of labeled images along with a large corpus of unlabeled images to reduce the high annotation effort. While previous methods are able to learn good…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Lukas Hoyer , David Joseph Tan , Muhammad Ferjad Naeem , Luc Van Gool , Federico Tombari

Recognizing the sounding objects in scenes is a longstanding objective in embodied AI, with diverse applications in robotics and AR/VR/MR. To that end, Audio-Visual Segmentation (AVS), taking as condition an audio signal to identify the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Artem Sokolov , Swapnil Bhosale , Xiatian Zhu

Vanilla pixel-level classifiers for semantic segmentation are based on a certain paradigm, involving the inner product of fixed prototypes obtained from the training set and pixel features in the test image. This approach, however,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Xiaowen Ma , Zhenliang Ni , Xinghao Chen

Reference Audio-Visual Segmentation (Ref-AVS) aims to provide a pixel-wise scene understanding in Language-aided Audio-Visual Scenes (LAVS). This task requires the model to continuously segment objects referred to by text and audio from a…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yuji Wang , Haoran Xu , Yong Liu , Jiaze Li , Yansong Tang

Self-supervised pre-training paradigm has gained increasing prominence for learning transferable representations in medical imaging, yet existing methods for ultrasound (US) images operate at the image or frame level, overlooking the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Chunzheng Zhu , Yijun Wang , Jianxin Lin , Feng Wang , Hongwei Wang , Lei Zhao , Shengli Li , Kenli Li

Zero-shot anomaly detection (ZSAD) requires detection models trained using auxiliary data to detect anomalies without any training sample in a target dataset. It is a crucial task when training data is not accessible due to various…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Qihang Zhou , Guansong Pang , Yu Tian , Shibo He , Jiming Chen

In semantic segmentation, generalizing a visual system to both seen categories and novel categories at inference time has always been practically valuable yet challenging. To enable such functionality, existing methods mainly rely on either…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Yuhuan Yang , Chaofan Ma , Chen Ju , Fei Zhang , Jiangchao Yao , Ya Zhang , Yanfeng Wang

Recently, Segment Anything Model (SAM) shows exceptional performance in generating high-quality object masks and achieving zero-shot image segmentation. However, as a versatile vision model, SAM is primarily trained with large-scale natural…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Tianyu Yan , Zifu Wan , Xinhao Deng , Pingping Zhang , Yang Liu , Huchuan Lu

Segment Anything Model (SAM), a prompt-driven foundation model for natural image segmentation, has demonstrated impressive zero-shot performance. However, SAM does not work when directly applied to medical image segmentation, since SAM…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Bin Xie , Hao Tang , Bin Duan , Dawen Cai , Yan Yan , Gady Agam

Referring-based Video Object Segmentation is a multimodal problem that requires producing fine-grained segmentation results guided by external cues. Traditional approaches to this task typically involve training specialized models, which…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Tuyen Tran , Thao Minh Le , Truyen Tran

Zero-shot Semantic Segmentation (ZSS) aims to segment categories that are not annotated during training. While fine-tuning vision-language models has achieved promising results, these models often overfit to seen categories due to the lack…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Jialei Chen , Xu Zheng , Dongyue Li , Chong Yi , Seigo Ito , Danda Pani Paudel , Luc Van Gool , Hiroshi Murase , Daisuke Deguchi

In recent years, convolutional neural networks for semantic segmentation of breast ultrasound (BUS) images have shown great success; however, two major challenges still exist. 1) Most current approaches inherently lack the ability to…

Image and Video Processing · Electrical Eng. & Systems 2024-03-26 Kyle Lucke , Aleksandar Vakanski , Min Xian

The cold-start initialization stage plays a pivotal role in training Multimodal Large Reasoning Models (MLRMs), yet its mechanisms remain insufficiently understood. To analyze this stage, we introduce the Visual Attention Score (VAS), an…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Ruilin Luo , Chufan Shi , Yizhen Zhang , Cheng Yang , Songtao Jiang , Tongkun Guan , Ruizhe Chen , Ruihang Chu , Peng Wang , Mingkun Yang , Yujiu Yang , Junyang Lin , Zhibo Yang

In this paper, we study a challenging task of zero-shot referring image segmentation. This task aims to identify the instance mask that is most related to a referring expression without training on pixel-level annotations. Previous research…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Yucheng Suo , Linchao Zhu , Yi Yang

Recent work shows that documents from encyclopedias serve as helpful auxiliary information for zero-shot learning. Existing methods align the entire semantics of a document with corresponding images to transfer knowledge. However, they…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Xiangyan Qu , Jing Yu , Keke Gai , Jiamin Zhuang , Yuanmin Tang , Gang Xiong , Gaopeng Gou , Qi Wu

Recent years have seen a surge of interest in anomaly detection for tackling industrial defect detection, event detection, etc. However, existing unsupervised anomaly detectors, particularly those for the vision modality, face significant…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Dong Chen , Kaihang Pan , Guoming Wang , Yueting Zhuang , Siliang Tang

With the ever-increasing amount of data, the central challenge in multimodal learning involves limitations of labelled samples. For the task of classification, techniques such as meta-learning, zero-shot learning, and few-shot learning…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Nihar Bendre , Kevin Desai , Peyman Najafirad