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We propose a novel setting for learning, where the input domain is the image of a map defined on the product of two sets, one of which completely determines the labels. We derive a new risk bound for this setting that decomposes into a bias…

Machine Learning · Computer Science 2021-12-08 Charles Jin , Martin Rinard

The Segment Anything Model (SAM) exhibits impressive capabilities in zero-shot segmentation for natural images. Recently, SAM has gained a great deal of attention for its applications in medical image segmentation. However, to our best…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Pengfei Gu , Zihan Zhao , Hongxiao Wang , Yaopeng Peng , Yizhe Zhang , Nishchal Sapkota , Chaoli Wang , Danny Z. Chen

Segment Anything Model (SAM) has emerged as a powerful tool for numerous vision applications. A key component that drives the impressive performance for zero-shot transfer and high versatility is a super large Transformer model trained on…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Yunyang Xiong , Bala Varadarajan , Lemeng Wu , Xiaoyu Xiang , Fanyi Xiao , Chenchen Zhu , Xiaoliang Dai , Dilin Wang , Fei Sun , Forrest Iandola , Raghuraman Krishnamoorthi , Vikas Chandra

While class activation map (CAM) generated by image classification network has been widely used for weakly supervised object localization (WSOL) and semantic segmentation (WSSS), such classifiers usually focus on discriminative object…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Jinheng Xie , Jianfeng Xiang , Junliang Chen , Xianxu Hou , Xiaodong Zhao , Linlin Shen

Generative listwise reranking leverages global context for superior retrieval but is plagued by intrinsic position bias, where models exhibit structural sensitivity to input order independent of relevance. Existing mitigations present a…

Artificial Intelligence · Computer Science 2026-04-14 Hang Lv , Hongchao Gu , Ruiqing Yang , Liangyue Li , Zulong Chen , Defu Lian , Hao Wang , Enhong Chen

Zero-shot learning models achieve remarkable results on image classification for samples from classes that were not seen during training. However, such models must be trained from scratch with specialised methods: therefore, access to a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Anders Christensen , Massimiliano Mancini , A. Sophia Koepke , Ole Winther , Zeynep Akata

Camouflaged Object Detection (COD) aims to segment objects that blend seamlessly into complex backgrounds, with growing interest in exploiting additional visual modalities to enhance robustness through complementary information. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Hao Wang , Jiqing Zhang , Xin Yang , Baocai Yin , Lu Jiang , Zetian Mi , Huibing Wang

Contrastive Language-Image Pretraining (CLIP) has shown impressive zero-shot performance on image classification. However, state-of-the-art methods often rely on fine-tuning techniques like prompt learning and adapter-based tuning to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Ans Munir , Faisal Z. Qureshi , Muhammad Haris Khan , Mohsen Ali

When integrating computational tools such as automatic segmentation into clinical practice, it is of utmost importance to be able to assess the level of accuracy on new data, and in particular, to detect when an automatic method fails.…

Computer Vision and Pattern Recognition · Computer Science 2017-02-14 Vanya V. Valindria , Ioannis Lavdas , Wenjia Bai , Konstantinos Kamnitsas , Eric O. Aboagye , Andrea G. Rockall , Daniel Rueckert , Ben Glocker

Expanding pre-trained zero-shot counting models to handle unseen categories requires more than simply adding new prompts, as this approach does not achieve the necessary alignment between text and visual features for accurate counting. We…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Huilin Zhu , Senyao Li , Jingling Yuan , Zhengwei Yang , Yu Guo , Wenxuan Liu , Xian Zhong , Shengfeng He

Prevalent Computational Aberration Correction (CAC) methods are typically tailored to specific optical systems, leading to poor generalization and labor-intensive re-training for new lenses. Developing CAC paradigms capable of generalizing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Xiaolong Qian , Qi Jiang , Yao Gao , Lei Sun , Zhonghua Yi , Kailun Yang , Luc Van Gool , Kaiwei Wang

One-class classification (OCC), i.e., identifying whether an example belongs to the same distribution as the training data, is essential for deploying machine learning models in the real world. Adapting the pre-trained features on the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Zilong Zhang , Zhibin Zhao , Deyu Meng , Xingwu Zhang , Xuefeng Chen

Object detection requires substantial labeling effort for learning robust models. Active learning can reduce this effort by intelligently selecting relevant examples to be annotated. However, selecting these examples properly without…

Machine Learning · Computer Science 2022-12-09 Dominik Probst , Hasnain Raza , Erik Rodner

Object counting is a challenging task with broad application prospects in security surveillance, traffic management, and disease diagnosis. Existing object counting methods face a tri-fold challenge: achieving superior performance,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Pan Ting , Jianfeng Lin , Wenhao Yu , Wenlong Zhang , Xiaoying Chen , Jinlu Zhang , Binqiang Huang

We present SIMCO, the first agnostic multi-class object counting approach. SIMCO starts by detecting foreground objects through a novel Mask RCNN-based architecture trained beforehand (just once) on a brand-new synthetic 2D shape dataset,…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Marco Godi , Christian Joppi , Andrea Giachetti , Marco Cristani

Conventional unsupervised anomaly detection (UAD) methods build separate models for each object category. Recent studies have proposed to train a unified model for multiple classes, namely model-unified UAD. However, such methods still…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Jia Guo , Haonan Han , Shuai Lu , Weihang Zhang , Huiqi Li

Object counting has progressed from class-specific models, which count only known categories, to class-agnostic models that generalize to unseen categories. The next challenge is Referring Expression Counting (REC), where the goal is to…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Kostas Triaridis , Panagiotis Kaliosis , E-Ro Nguyen , Jingyi Xu , Hieu Le , Dimitris Samaras

Language-Guided object recognition in remote sensing imagery is crucial for large-scale mapping and automated data annotation. However, existing open-vocabulary and visual grounding methods rely on explicit category cues, limiting their…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Yijie Zheng , Weijie Wu , Qingyun Li , Xuehui Wang , Xu Zhou , Aiai Ren , Jun Shen , Long Zhao , Guoqing Li , Xue Yang

In this work, we address the problem of few-shot multi-class object counting with point-level annotations. The proposed technique leverages a class agnostic attention mechanism that sequentially attends to objects in the image and extracts…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Negin Sokhandan , Pegah Kamousi , Alejandro Posada , Eniola Alese , Negar Rostamzadeh

Category-agnostic pose estimation (CAPE) aims to predict keypoints for arbitrary classes given a few support images annotated with keypoints. Existing methods only rely on the features extracted at support keypoints to predict or refine the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Junjie Chen , Jiebin Yan , Yuming Fang , Li Niu