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Few-shot object detection, which focuses on detecting novel objects with few labels, is an emerging challenge in the community. Recent studies show that adapting a pre-trained model or modified loss function can improve performance. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Min Jae Jung , Seung Dae Han , Joohee Kim

Out-of-distribution (OOD) detection is a crucial task for ensuring the reliability and robustness of machine learning models. Recent works have shown that generative models often assign high confidence scores to OOD samples, indicating that…

Machine Learning · Computer Science 2023-11-29 Rui Sun , Andi Zhang , Haiming Zhang , Jinke Ren , Yao Zhu , Ruimao Zhang , Shuguang Cui , Zhen Li

Video recognition models are typically trained on fixed taxonomies which are often too coarse, collapsing distinctions in object, manner or outcome under a single label. As tasks and definitions evolve, such models cannot accommodate…

Computer Vision and Pattern Recognition · Computer Science 2026-02-19 Kaiting Liu , Hazel Doughty

Most existing out-of-distribution (OOD) detection benchmarks classify samples with novel labels as the OOD data. However, some marginal OOD samples actually have close semantic contents to the in-distribution (ID) sample, which makes…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Xingming Long , Jie Zhang , Shiguang Shan , Xilin Chen

Out-of-distribution (OOD) detection is crucial for the safe deployment of neural networks. Existing CLIP-based approaches perform OOD detection by devising novel scoring functions or sophisticated fine-tuning methods. In this work, we…

Computation and Language · Computer Science 2024-11-06 Yixia Li , Boya Xiong , Guanhua Chen , Yun Chen

Hash coding has been widely used in approximate nearest neighbor search for large-scale image retrieval. Given semantic annotations such as class labels and pairwise similarities of the training data, hashing methods can learn and generate…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Qin Zou , Zheng Zhang , Ling Cao , Long Chen , Song Wang

Deep neural networks usually require accurate and a large number of annotations to achieve outstanding performance in medical image segmentation. One-shot segmentation and weakly-supervised learning are promising research directions that…

Image and Video Processing · Electrical Eng. & Systems 2021-11-23 Wenhui Lei , Qi Su , Ran Gu , Na Wang , Xinglong Liu , Guotai Wang , Xiaofan Zhang , Shaoting Zhang

Computer-aided diagnostics has benefited from the development of deep learning-based computer vision techniques in these years. Traditional supervised deep learning methods assume that the test sample is drawn from the identical…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Zesheng Hong , Yubiao Yue , Yubin Chen , Lele Cong , Huanjie Lin , Yuanmei Luo , Mini Han Wang , Weidong Wang , Jialong Xu , Xiaoqi Yang , Hechang Chen , Zhenzhang Li , Sihong Xie

Unsupervised out-of-distribution (OOD) detection aims to identify out-of-domain data by learning only from unlabeled In-Distribution (ID) training samples, which is crucial for developing a safe real-world machine learning system. Current…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Ying Yang , De Cheng , Chaowei Fang , Yubiao Wang , Changzhe Jiao , Lechao Cheng , Nannan Wang

In this paper, we explore a principal way to enhance the quality of object masks produced by different segmentation models. We propose a model-agnostic solution called SegRefiner, which offers a novel perspective on this problem by…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Mengyu Wang , Henghui Ding , Jun Hao Liew , Jiajun Liu , Yao Zhao , Yunchao Wei

Pretrained language models have improved zero-shot text classification by allowing the transfer of semantic knowledge from the training data in order to classify among specific label sets in downstream tasks. We propose a simple way to…

Computation and Language · Computer Science 2023-10-24 Lingyu Gao , Debanjan Ghosh , Kevin Gimpel

Using only global image-class labels, weakly-supervised learning methods, such as class activation mapping, allow training CNNs to jointly classify an image, and locate regions of interest associated with the predicted class. However,…

Image and Video Processing · Electrical Eng. & Systems 2022-05-06 Soufiane Belharbi , Marco Pedersoli , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

Zero-shot referring image segmentation is a challenging task because it aims to find an instance segmentation mask based on the given referring descriptions, without training on this type of paired data. Current zero-shot methods mainly…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Minheng Ni , Yabo Zhang , Kailai Feng , Xiaoming Li , Yiwen Guo , Wangmeng Zuo

Out-of-Distribution (OOD) detection is essential in real-world applications, which has attracted increasing attention in recent years. However, most existing OOD detection methods require many labeled In-Distribution (ID) data, causing a…

Machine Learning · Computer Science 2022-10-14 Yi-Xuan Sun , Wei Wang

Out-of-distribution (OOD) detection can be used in deep learning-based applications to reject outlier samples from being unreliably classified by deep neural networks. Learning to classify between OOD and in-distribution samples is…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Jaeyoung Kim , Seo Taek Kong , Dongbin Na , Kyu-Hwan Jung

Few-shot OOD detection focuses on recognizing out-of-distribution (OOD) images that belong to classes unseen during training, with the use of only a small number of labeled in-distribution (ID) images. Up to now, a mainstream strategy is…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Hao Sun , Rundong He , Zhongyi Han , Zhicong Lin , Yongshun Gong , Yilong Yin

Deep neural networks are susceptible to generating overconfident yet erroneous predictions when presented with data beyond known concepts. This challenge underscores the importance of detecting out-of-distribution (OOD) samples in the open…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Yiye Chen , Yunzhi Lin , Ruinian Xu , Patricio A. Vela

Out-of-distribution (OOD) detection is a critical task for deploying machine learning models in the open world. Distance-based methods have demonstrated promise, where testing samples are detected as OOD if they are relatively far away from…

Machine Learning · Computer Science 2022-12-09 Yiyou Sun , Yifei Ming , Xiaojin Zhu , Yixuan Li

Label-noise learning (LNL) aims to increase the model's generalization given training data with noisy labels. To facilitate practical LNL algorithms, researchers have proposed different label noise types, ranging from class-conditional to…

Machine Learning · Computer Science 2024-02-13 Jingfeng Zhang , Bo Song , Haohan Wang , Bo Han , Tongliang Liu , Lei Liu , Masashi Sugiyama

Out-of-distribution (OOD) detection aims to identify test examples that do not belong to the training distribution and are thus unlikely to be predicted reliably. Despite a plethora of existing works, most of them focused only on the…

Machine Learning · Computer Science 2023-11-07 Reza Averly , Wei-Lun Chao