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Subword modeling for zero-resource languages aims to learn low-level representations of speech audio without using transcriptions or other resources from the target language (such as text corpora or pronunciation dictionaries). A good…

音频与语音处理 · 电气工程与系统科学 2020-04-20 Enno Hermann , Herman Kamper , Sharon Goldwater

In recent years, self-supervised learning paradigm has received extensive attention due to its great success in various down-stream tasks. However, the fine-tuning strategies for adapting those pre-trained models to speaker verification…

音频与语音处理 · 电气工程与系统科学 2022-10-05 Junyi Peng , Oldrich Plchot , Themos Stafylakis , Ladislav Mosner , Lukas Burget , Jan Cernocky

Addressing the Out-of-Distribution (OoD) segmentation task is a prerequisite for perception systems operating in an open-world environment. Large foundational models are frequently used in downstream tasks, however, their potential for OoD…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Nazir Nayal , Youssef Shoeb , Fatma Güney

Self-attention is a key enabler of state-of-art accuracy for various transformer-based Natural Language Processing models. This attention mechanism calculates a correlation score for each word with respect to the other words in a sentence.…

计算与语言 · 计算机科学 2022-04-18 Zheng Li , Soroush Ghodrati , Amir Yazdanbakhsh , Hadi Esmaeilzadeh , Mingu Kang

Recent analyses suggest that encoders pretrained for language modeling capture certain morpho-syntactic structure. However, probing frameworks for word vectors still do not report results on standard setups such as constituent and…

计算与语言 · 计算机科学 2020-02-06 David Vilares , Michalina Strzyz , Anders Søgaard , Carlos Gómez-Rodríguez

The overreliance on large parallel corpora significantly limits the applicability of machine translation systems to the majority of language pairs. Back-translation has been dominantly used in previous approaches for unsupervised neural…

计算与语言 · 计算机科学 2019-04-05 Jiawei Wu , Xin Wang , William Yang Wang

Recent models for unsupervised representation learning of text have employed a number of techniques to improve contextual word representations but have put little focus on discourse-level representations. We propose CONPONO, an…

计算与语言 · 计算机科学 2020-05-22 Dan Iter , Kelvin Guu , Larry Lansing , Dan Jurafsky

This paper studies few-shot segmentation, which is a task of predicting foreground mask of unseen classes by a few of annotations only, aided by a set of rich annotations already existed. The existing methods mainly focus the task on…

计算机视觉与模式识别 · 计算机科学 2019-09-20 Yuwei Yang , Fanman Meng , Hongliang Li , King N. Ngan , Qingbo Wu

Few-shot classification (FSC) is widely used for learning from limited labeled data, yet most evaluations implicitly assume that target concepts are independent of contextual cues. In real-world settings, however, examples often appear…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Giries Abu Ayoub , Morad Tukan , Loay Mualem

Few-shot learning aims to learn a new concept when only a few training examples are available, which has been extensively explored in recent years. However, most of the current works heavily rely on a large-scale labeled auxiliary set to…

计算机视觉与模式识别 · 计算机科学 2020-09-18 Tiexin Qin , Wenbin Li , Yinghuan Shi , Yang Gao

Text classification tends to be difficult when data are deficient or when it is required to adapt to unseen classes. In such challenging scenarios, recent studies have often used meta-learning to simulate the few-shot task, thus negating…

信息检索 · 计算机科学 2019-11-22 Shumin Deng , Ningyu Zhang , Zhanlin Sun , Jiaoyan Chen , Huajun Chen

This paper proposes a novel method of learning by predicting view assignments with support samples (PAWS). The method trains a model to minimize a consistency loss, which ensures that different views of the same unlabeled instance are…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Mahmoud Assran , Mathilde Caron , Ishan Misra , Piotr Bojanowski , Armand Joulin , Nicolas Ballas , Michael Rabbat

Speech-based machine learning (ML) has been heralded as a promising solution for tracking prosodic and spectrotemporal patterns in real-life that are indicative of emotional changes, providing a valuable window into one's cognitive and…

机器学习 · 计算机科学 2021-09-08 Kexin Feng , Theodora Chaspari

A particularly successful class of approaches for few-shot learning combines language models with prompts -- hand-crafted task descriptions that complement data samples. However, designing prompts by hand for each task commonly requires…

计算与语言 · 计算机科学 2023-10-24 Rami Aly , Xingjian Shi , Kaixiang Lin , Aston Zhang , Andrew Gordon Wilson

Recently, large-scale pre-trained vision-language models (e.g. CLIP and ALIGN) have demonstrated remarkable effectiveness in acquiring transferable visual representations. To leverage the valuable knowledge encoded within these models for…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Yi Zhang , Ce Zhang , Xueting Hu , Zhihai He

Principal Component Analysis (PCA) has been widely used for dimensionality reduction and feature extraction. Robust PCA (RPCA), under different robust distance metrics, such as l1-norm and l2, p-norm, can deal with noise or outliers to some…

机器学习 · 计算机科学 2021-06-29 Zhao Kang , Hongfei Liu , Jiangxin Li , Xiaofeng Zhu , Ling Tian

Computing devices have recently become capable of interacting with their end users via natural language. However, they can only operate within a limited "supported" domain of discourse and fail drastically when faced with an out-of-domain…

计算与语言 · 计算机科学 2019-10-29 Zhichu Lu , Forough Arabshahi , Igor Labutov , Tom Mitchell

Our work addresses the problem of unsupervised Aspect Category Detection using a small set of seed words. Recent works have focused on learning embedding spaces for seed words and sentences to establish similarities between sentences and…

计算与语言 · 计算机科学 2023-11-17 Thi-Nhung Nguyen , Hoang Ngo , Kiem-Hieu Nguyen , Tuan-Dung Cao

A supervised ranking model, despite its advantage of being effective, usually involves complex processing - typically multiple stages of task-specific pre-training and fine-tuning. This has motivated researchers to explore simpler pipelines…

信息检索 · 计算机科学 2024-10-08 Nilanjan Sinhababu , Andrew Parry , Debasis Ganguly , Debasis Samanta , Pabitra Mitra

We propose Self-Supervised Implicit Attention (SSIA), a new approach that adaptively guides deep neural network models to gain attention by exploiting the properties of the models themselves. SSIA is a novel attention mechanism that does…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Jinyi Wu , Xun Gong , Zhemin Zhang