English
Related papers

Related papers: An Attention Self-supervised Contrastive Learning …

200 papers

Contrastive Predictive Coding (CPC) is a representation learning method that maximizes the mutual information between intermediate latent representations and the output of a given model. It can be used to effectively initialize the encoder…

Computation and Language · Computer Science 2023-02-06 Aparna Khare , Minhua Wu , Saurabhchand Bhati , Jasha Droppo , Roland Maas

Voice conversion refers to transferring speaker identity with well-preserved content. Better disentanglement of speech representations leads to better voice conversion. Recent studies have found that phonetic information from input audio…

Sound · Computer Science 2024-01-19 Yimin Deng , Huaizhen Tang , Xulong Zhang , Ning Cheng , Jing Xiao , Jianzong Wang

The challenges in applying contrastive learning to speaker verification (SV) are that the softmax-based contrastive loss lacks discriminative power and that the hard negative pairs can easily influence learning. To overcome the first…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Zhe Li , Man-Wai Mak , Helen Mei-Ling Meng

Existing multi-channel continuous speech separation (CSS) models are heavily dependent on supervised data - either simulated data which causes data mismatch between the training and real-data testing, or the real transcribed overlapping…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-08 Xiaofei Wang , Dongmei Wang , Naoyuki Kanda , Sefik Emre Eskimez , Takuya Yoshioka

Existing contrastive learning methods for anomalous sound detection refine the audio representation of each audio sample by using the contrast between the samples' augmentations (e.g., with time or frequency masking). However, they might be…

Sound · Computer Science 2023-04-11 Jian Guan , Feiyang Xiao , Youde Liu , Qiaoxi Zhu , Wenwu Wang

In this paper, we investigated a speech augmentation based unsupervised learning approach for keyword spotting (KWS) task. KWS is a useful speech application, yet also heavily depends on the labeled data. We designed a CNN-Attention…

Sound · Computer Science 2022-05-31 Jian Luo , Jianzong Wang , Ning Cheng , Haobin Tang , Jing Xiao

Self-supervised models for speech processing form representational spaces without using any external labels. Increasingly, they appear to be a feasible way of at least partially eliminating costly manual annotations, a problem of particular…

Computation and Language · Computer Science 2022-06-01 Juliette Millet , Ewan Dunbar

This work presents improvements in monocular hand shape estimation by building on top of recent advances in unsupervised learning. We extend momentum contrastive learning and contribute a structured collection of hand images, well suited…

Computer Vision and Pattern Recognition · Computer Science 2021-07-05 Christian Zimmermann , Max Argus , Thomas Brox

In zero-resource settings where transcribed speech audio is unavailable, unsupervised feature learning is essential for downstream speech processing tasks. Here we compare two recent methods for frame-level acoustic feature learning. For…

Computation and Language · Computer Science 2020-03-31 Petri-Johan Last , Herman A. Engelbrecht , Herman Kamper

Conversational speech synthesis (CSS) incorporates historical dialogue as supplementary information with the aim of generating speech that has dialogue-appropriate prosody. While previous methods have already delved into enhancing context…

Computation and Language · Computer Science 2023-12-19 Yayue Deng , Jinlong Xue , Yukang Jia , Qifei Li , Yichen Han , Fengping Wang , Yingming Gao , Dengfeng Ke , Ya Li

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…

Sound · Computer Science 2024-01-09 Zizheng Zhang , Chen Chen , Hsin-Hung Chen , Xiang Liu , Yuchen Hu , Eng Siong Chng

Turn-level user satisfaction is one of the most important performance metrics for conversational agents. It can be used to monitor the agent's performance and provide insights about defective user experiences. Moreover, a powerful…

Machine Learning · Computer Science 2021-04-13 Mohammad Kachuee , Hao Yuan , Young-Bum Kim , Sungjin Lee

This paper proposes a self-supervised learning approach for video features that results in significantly improved performance on downstream tasks (such as video classification, captioning and segmentation) compared to existing methods. Our…

Machine Learning · Computer Science 2019-10-01 Chen Sun , Fabien Baradel , Kevin Murphy , Cordelia Schmid

Speech representation learning approaches for non-semantic tasks such as language recognition have either explored supervised embedding extraction methods using a classifier model or self-supervised representation learning approaches using…

Computation and Language · Computer Science 2023-06-08 Shikhar Vashishth , Shikhar Bharadwaj , Sriram Ganapathy , Ankur Bapna , Min Ma , Wei Han , Vera Axelrod , Partha Talukdar

Contrastive Self-supervised Learning (CSL) is a practical solution that learns meaningful visual representations from massive data in an unsupervised approach. The ordinary CSL embeds the features extracted from neural networks onto…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Shentong Mo , Zhun Sun , Chao Li

Unsupervised aspect detection (UAD) aims at automatically extracting interpretable aspects and identifying aspect-specific segments (such as sentences) from online reviews. However, recent deep learning-based topic models, specifically…

Computation and Language · Computer Science 2021-01-01 Tian Shi , Liuqing Li , Ping Wang , Chandan K. Reddy

Recently, there have been efforts to improve the performance in sign language recognition by designing self-supervised learning methods. However, these methods capture limited information from sign pose data in a frame-wise learning manner,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Weichao Zhao , Wengang Zhou , Hezhen Hu , Min Wang , Houqiang Li

Contrastive learning has proven instrumental in learning unbiased representations of data, especially in complex environments characterized by high-cardinality and high-dimensional sensitive information. However, existing approaches within…

Machine Learning · Computer Science 2024-11-25 Stefan K. Nielsen , Tan M. Nguyen

Self-supervised learning (SSL)-based speech models are extensively used for full-stack speech processing. However, it has been observed that improving SSL-based speech representations using unlabeled speech for content-related tasks is…

Computation and Language · Computer Science 2024-06-14 Amit Meghanani , Thomas Hain

Facial expression recognition (FER) has emerged as an important component of human-computer interaction systems. Despite recent advancements in FER, performance often drops significantly for non-frontal facial images. We propose Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Shuvendu Roy , Ali Etemad