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Few-shot bioacoustic event detection is a task that detects the occurrence time of a novel sound given a few examples. Previous methods employ metric learning to build a latent space with the labeled part of different sound classes, also…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-19 Haohe Liu , Xubo Liu , Xinhao Mei , Qiuqiang Kong , Wenwu Wang , Mark D. Plumbley

Few-shot learning, a challenging task in machine learning, aims to learn a classifier adaptable to recognize new, unseen classes with limited labeled examples. Meta-learning has emerged as a prominent framework for few-shot learning. Its…

Machine Learning · Computer Science 2024-03-07 Weihao Jiang , Guodong Liu , Di He , Kun He

Few-shot learning is a relatively new technique that specializes in problems where we have little amounts of data. The goal of these methods is to classify categories that have not been seen before with just a handful of samples. Recent…

In robot sensing scenarios, instead of passively utilizing human captured views, an agent should be able to actively choose informative viewpoints of a 3D object as discriminative evidence to boost the recognition accuracy. This task is…

Robotics · Computer Science 2021-03-09 Wei Wei , Haonan Yu , Haichao Zhang , Wei Xu , Ying Wu

In this paper, we focus on automatically detecting events in unconstrained videos without the use of any visual training exemplars. In principle, zero-shot learning makes it possible to train an event detection model based on the assumption…

Computer Vision and Pattern Recognition · Computer Science 2016-01-15 Xiaojun Chang , Yi Yang , Guodong Long , Chengqi Zhang , Alexander G. Hauptmann

Event cameras have recently shown promising capabilities in instantaneous motion estimation due to their robustness to low light and fast motions. However, computing wide-baseline correspondence between two arbitrary views remains a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Ruijun Zhang , Hang Su , Kostas Daniilidis , Ziyun Wang

Meta-learning has been the most common framework for few-shot learning in recent years. It learns the model from collections of few-shot classification tasks, which is believed to have a key advantage of making the training objective…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Yinbo Chen , Zhuang Liu , Huijuan Xu , Trevor Darrell , Xiaolong Wang

We study the problem of event extraction from text data, which requires both detecting target event types and their arguments. Typically, both the event detection and argument detection subtasks are formulated as supervised sequence…

Computation and Language · Computer Science 2020-10-23 Rui Feng , Jie Yuan , Chao Zhang

Few-shot learning is a challenging problem that has attracted more and more attention recently since abundant training samples are difficult to obtain in practical applications. Meta-learning has been proposed to address this issue, which…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Xian Zhong , Cheng Gu , Wenxin Huang , Lin Li , Shuqin Chen , Chia-Wen Lin

Few-shot classification refers to learning a classifier for new classes given only a few examples. While a plethora of models have emerged to tackle it, we find the procedure and datasets that are used to assess their progress lacking. To…

Sound event detection is a challenging task, especially for scenes with multiple simultaneous events. While event classification methods tend to be fairly accurate, event localization presents additional challenges, especially when large…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-12 Sandeep Kothinti , Keisuke Imoto , Debmalya Chakrabarty , Gregory Sell , Shinji Watanabe , Mounya Elhilali

Zero-shot object detection aims to localize and recognize objects of unseen classes. Most of existing works face two problems: the low recall of RPN in unseen classes and the confusion of unseen classes with background. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Lu Zhang , Chenbo Zhang , Jiajia Zhao , Jihong Guan , Shuigeng Zhou

Current machine learning has made great progress on computer vision and many other fields attributed to the large amount of high-quality training samples, while it does not work very well on genomic data analysis, since they are notoriously…

Machine Learning · Computer Science 2020-09-04 Ziyi Yang , Jun Shu , Yong Liang , Deyu Meng , Zongben Xu

Few-shot classification consists of learning a predictive model that is able to effectively adapt to a new class, given only a few annotated samples. To solve this challenging problem, meta-learning has become a popular paradigm that…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Nikita Dvornik , Cordelia Schmid , Julien Mairal

While developments in machine learning led to impressive performance gains on big data, many human subjects data are, in actuality, small and sparsely labeled. Existing methods applied to such data often do not easily generalize to…

Machine Learning · Computer Science 2023-04-04 Julie Jiang , Kristina Lerman , Emilio Ferrara

Event extraction (EE) is the task of identifying interested event mentions from text. Conventional efforts mainly focus on the supervised setting. However, these supervised models cannot generalize to event types out of the pre-defined…

Computation and Language · Computer Science 2022-11-15 Hongming Zhang , Wenlin Yao , Dong Yu

Sound event detection is to infer the event by understanding the surrounding environmental sounds. Due to the scarcity of rare sound events, it becomes challenging for the well-trained detectors which have learned too much prior knowledge.…

Sound · Computer Science 2022-05-27 Chendong Zhao , Jianzong Wang , Leilai Li , Xiaoyang Qu , Jing Xiao

Event detection is one of the fundamental tasks in information extraction and knowledge graph. However, a realistic event detection system often needs to deal with new event classes constantly. These new classes usually have only a few…

Computation and Language · Computer Science 2024-04-03 Kailin Zhao , Xiaolong Jin , Long Bai , Jiafeng Guo , Xueqi Cheng

Recent deepfake detection studies often treat unseen sample detection as a ``zero-shot" task, training on images generated by known models but generalizing to unknown ones. A key real-world challenge arises when a model performs poorly on…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Shibo Yao , Renshuai Tao , Xiaolong Zheng , Chao Liang , Chunjie Zhang

Few-shot classification is a challenging task which aims to formulate the ability of humans to learn concepts from limited prior data and has drawn considerable attention in machine learning. Recent progress in few-shot classification has…

Machine Learning · Computer Science 2020-04-14 Meiyu Huang , Xueshuang Xiang , Yao Xu