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Few-shot learning has emerged as a powerful paradigm for training models with limited labeled data, addressing challenges in scenarios where large-scale annotation is impractical. While extensive research has been conducted in the image…

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…

计算机视觉与模式识别 · 计算机科学 2019-09-02 Nikita Dvornik , Cordelia Schmid , Julien Mairal

The prototypical network (ProtoNet) is a few-shot learning framework that performs metric learning and classification using the distance to prototype representations of each class. It has attracted a great deal of attention recently since…

机器学习 · 计算机科学 2020-09-29 Kei Mukaiyama , Issei Sato , Masashi Sugiyama

Event detection (ED) aims at detecting event trigger words in sentences and classifying them into specific event types. In real-world applications, ED typically does not have sufficient labelled data, thus can be formulated as a few-shot…

计算与语言 · 计算机科学 2021-06-01 Shirong Shen , Tongtong Wu , Guilin Qi , Yuan-Fang Li , Gholamreza Haffari , Sheng Bi

Few-shot segmentation targets to segment new classes with few annotated images provided. It is more challenging than traditional semantic segmentation tasks that segment known classes with abundant annotated images. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Jinlu Liu , Yongqiang Qin

Meta-learning has emerged as a trending technique to tackle few-shot text classification and achieved state-of-the-art performance. However, existing solutions heavily rely on the exploitation of lexical features and their distributional…

计算与语言 · 计算机科学 2021-07-27 ChengCheng Han , Zeqiu Fan , Dongxiang Zhang , Minghui Qiu , Ming Gao , Aoying Zhou

With emerging online topics as a source for numerous new events, detecting unseen / rare event types presents an elusive challenge for existing event detection methods, where only limited data access is provided for training. To address the…

计算与语言 · 计算机科学 2023-05-30 Zhenrui Yue , Huimin Zeng , Mengfei Lan , Heng Ji , Dong Wang

Few-shot learning systems for sound event recognition have gained interests since they require only a few examples to adapt to new target classes without fine-tuning. However, such systems have only been applied to chunks of sounds for…

音频与语音处理 · 电气工程与系统科学 2020-02-19 Kazuki Shimada , Yuichiro Koyama , Akira Inoue

The goal of few-shot learning is to classify unseen categories with few labeled samples. Recently, the low-level information metric-learning based methods have achieved satisfying performance, since local representations (LRs) are more…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Haoxing Chen , Huaxiong Li , Yaohui Li , Chunlin Chen

Many applications involve detecting and localizing specific sound events within long, untrimmed documents, including keyword spotting, medical observation, and bioacoustic monitoring for conservation. Deep learning techniques often set the…

音频与语音处理 · 电气工程与系统科学 2023-12-27 Piper Wolters , Logan Sizemore , Chris Daw , Brian Hutchinson , Lauren Phillips

We propose prototypical networks for the problem of few-shot classification, where a classifier must generalize to new classes not seen in the training set, given only a small number of examples of each new class. Prototypical networks…

机器学习 · 计算机科学 2017-06-21 Jake Snell , Kevin Swersky , Richard S. Zemel

Few-shot action recognition aims to recognize action classes with few training samples. Most existing methods adopt a meta-learning approach with episodic training. In each episode, the few samples in a meta-training task are split into…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Xiatian Zhu , Antoine Toisoul , Juan-Manuel Perez-Rua , Li Zhang , Brais Martinez , Tao Xiang

Negative transfer in training of acoustic models for automatic speech recognition has been reported in several contexts such as domain change or speaker characteristics. This paper proposes a novel technique to overcome negative transfer by…

机器学习 · 计算机科学 2015-09-18 Mortaza Doulaty , Oscar Saz , Thomas Hain

Generalisation of deep neural networks becomes vulnerable when distribution shifts are encountered between train (source) and test (target) domain data. Few-shot domain adaptation mitigates this issue by adapting deep neural networks…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Youssef Dawoud , Gustavo Carneiro , Vasileios Belagiannis

We study few-shot acoustic event detection (AED) in this paper. Few-shot learning enables detection of new events with very limited labeled data. Compared to other research areas like computer vision, few-shot learning for audio recognition…

机器学习 · 计算机科学 2020-02-24 Bowen Shi , Ming Sun , Krishna C. Puvvada , Chieh-Chi Kao , Spyros Matsoukas , Chao Wang

Few-shot learning aims to recognize new categories using very few labeled samples. Although few-shot learning has witnessed promising development in recent years, most existing methods adopt an average operation to calculate prototypes,…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Minglei Yuan , Wenhai Wang , Tao Wang , Chunhao Cai , Qian Xu , Tong Lu

We address the challenge of detecting synthesized speech under distribution shifts -- arising from unseen synthesis methods, speakers, languages, or audio conditions -- relative to the training data. Few-shot learning methods are a…

音频与语音处理 · 电气工程与系统科学 2025-08-20 Ashi Garg , Zexin Cai , Henry Li Xinyuan , Leibny Paola García-Perera , Kevin Duh , Sanjeev Khudanpur , Matthew Wiesner , Nicholas Andrews

Current event detection models under super-vised learning settings fail to transfer to newevent types. Few-shot learning has not beenexplored in event detection even though it al-lows a model to perform well with high gener-alization on new…

计算与语言 · 计算机科学 2020-06-19 Viet Dac Lai , Franck Dernoncourt , Thien Huu Nguyen

Advances in deep learning have resulted in state-of-the-art performance for many audio classification tasks but, unlike humans, these systems traditionally require large amounts of data to make accurate predictions. Not every person or…

音频与语音处理 · 电气工程与系统科学 2020-12-04 Piper Wolters , Chris Careaga , Brian Hutchinson , Lauren Phillips

This technical report presents our frame-level embedding learning system for the DCASE2024 challenge for few-shot bioacoustic event detection (Task 5).In this work, we used log-mel and PCEN for feature extraction of the input audio,…

声音 · 计算机科学 2024-07-16 PengYuan Zhao , ChengWei Lu , Liang Zou