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相关论文: Contrastive Siamese Network for Semi-supervised Sp…

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This paper presents Dense Siamese Network (DenseSiam), a simple unsupervised learning framework for dense prediction tasks. It learns visual representations by maximizing the similarity between two views of one image with two types of…

计算机视觉与模式识别 · 计算机科学 2022-08-11 Wenwei Zhang , Jiangmiao Pang , Kai Chen , Chen Change Loy

Typically, unsupervised segmentation of speech into the phone and word-like units are treated as separate tasks and are often done via different methods which do not fully leverage the inter-dependence of the two tasks. Here, we unify them…

音频与语音处理 · 电气工程与系统科学 2021-10-12 Saurabhchand Bhati , Jesús Villalba , Piotr Żelasko , Laureano Moro-Velazquez , Najim Dehak

In this paper, we propose a novel Siamese Adversarial Network (SAN) architecture for automatic speech recognition, which aims at solving the difficulty of fuzzy audio recognition. Specifically, SAN constructs two sub-networks to…

声音 · 计算机科学 2022-10-28 Zeping Min , Qian Ge , Guanhua Huang

This paper presents SimCSE, a simple contrastive learning framework that greatly advances state-of-the-art sentence embeddings. We first describe an unsupervised approach, which takes an input sentence and predicts itself in a contrastive…

计算与语言 · 计算机科学 2022-05-19 Tianyu Gao , Xingcheng Yao , Danqi Chen

Recently, speech separation (SS) task has achieved remarkable progress driven by deep learning technique. However, it is still challenging to separate target speech from noisy mixture, as the neural model is vulnerable to assign background…

声音 · 计算机科学 2024-01-09 Zizheng Zhang , Chen Chen , Hsin-Hung Chen , Xiang Liu , Yuchen Hu , Eng Siong Chng

The problem of automatic accent identification is important for several applications like speaker profiling and recognition as well as for improving speech recognition systems. The accented nature of speech can be primarily attributed to…

计算与语言 · 计算机科学 2018-06-20 Aditya Siddhant , Preethi Jyothi , Sriram Ganapathy

Current 3D semi-supervised segmentation methods face significant challenges such as limited consideration of contextual information and the inability to generate reliable pseudo-labels for effective unsupervised data use. To address these…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Sanaz Karimijafarbigloo , Reza Azad , Yury Velichko , Ulas Bagci , Dorit Merhof

Recently, contrastive learning has been shown to be effective in improving pre-trained language models (PLM) to derive high-quality sentence representations. It aims to pull close positive examples to enhance the alignment while push apart…

计算与语言 · 计算机科学 2022-05-03 Kun Zhou , Beichen Zhang , Wayne Xin Zhao , Ji-Rong Wen

Contrastive methods have led a recent surge in the performance of self-supervised representation learning (SSL). Recent methods like BYOL or SimSiam purportedly distill these contrastive methods down to their essence, removing bells and…

机器学习 · 计算机科学 2022-11-03 Alexander C. Li , Alexei A. Efros , Deepak Pathak

Cued Speech (CS) is a communication system for deaf people or hearing impaired people, in which a speaker uses it to aid a lipreader in phonetic level by clarifying potentially ambiguous mouth movements with hand shape and positions.…

多媒体 · 计算机科学 2021-06-29 Jianrong Wang , Nan Gu , Mei Yu , Xuewei Li , Qiang Fang , Li Liu

Self-supervised learning (SSL) for automated speech recognition in terms of its emotional content, can be heavily degraded by the presence noise, affecting the efficiency of modeling the intricate temporal and spectral informative…

音频与语音处理 · 电气工程与系统科学 2024-02-13 Ioannis Ziogas , Hessa Alfalahi , Ahsan H. Khandoker , Leontios J. Hadjileontiadis

We investigate the performance on phoneme categorization and phoneme and word segmentation of several self-supervised learning (SSL) methods based on Contrastive Predictive Coding (CPC). Our experiments show that with the existing…

This paper addresses the persistent challenge in Keyword Spotting (KWS), a fundamental component in speech technology, regarding the acquisition of substantial labeled data for training. Given the difficulty in obtaining large quantities of…

声音 · 计算机科学 2024-09-04 Weinan Dai , Yifeng Jiang , Yuanjing Liu , Jinkun Chen , Xin Sun , Jinglei Tao

Labels are costly and sometimes unreliable. Noisy label learning, semi-supervised learning, and contrastive learning are three different strategies for designing learning processes requiring less annotation cost. Semi-supervised learning…

机器学习 · 计算机科学 2021-11-24 Xin Zhang , Zixuan Liu , Kaiwen Xiao , Tian Shen , Junzhou Huang , Wei Yang , Dimitris Samaras , Xiao Han

Achieving state-of-the-art results in face verification systems typically hinges on the availability of labeled face training data, a resource that often proves challenging to acquire in substantial quantities. In this research endeavor, we…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Enoch Solomon , Abraham Woubie , Eyael Solomon Emiru

Semi-supervised learning acts as an effective way to leverage massive unlabeled data. In this paper, we propose a novel training strategy, termed as Semi-supervised Contrastive Learning (SsCL), which combines the well-known contrastive loss…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Yuhang Zhang , Xiaopeng Zhang , Robert. C. Qiu , Jie Li , Haohang Xu , Qi Tian

This paper proposes an unsupervised data selection method by using a submodular function based on contrastive loss ratios of target and training data sets. A model using a contrastive loss function is trained on both sets. Then the ratio of…

音频与语音处理 · 电气工程与系统科学 2022-07-26 Chanho Park , Rehan Ahmad , Thomas Hain

Traditional audio-visual methods rely on independent audio and visual backbones, which is costly and not scalable. In this work, we investigate using an audio-visual siamese network (AVSiam) for efficient and scalable audio-visual…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Yan-Bo Lin , Gedas Bertasius

Recently contrastive learning has shown significant progress in learning visual representations from unlabeled data. The core idea is training the backbone to be invariant to different augmentations of an instance. While most methods only…

计算机视觉与模式识别 · 计算机科学 2021-11-05 Xiaoyang Guo , Tianhao Zhao , Yutian Lin , Bo Du

Imagined speech is spotlighted as a new trend in the brain-machine interface due to its application as an intuitive communication tool. However, previous studies have shown low classification performance, therefore its use in real-life is…

信号处理 · 电气工程与系统科学 2020-08-31 Dong-Yeon Lee , Minji Lee , Seong-Whan Lee