English
Related papers

Related papers: Unsupervised feature learning for speech using cor…

200 papers

This article provides a unifying Bayesian network view on various approaches for acoustic model adaptation, missing feature, and uncertainty decoding that are well-known in the literature of robust automatic speech recognition. The…

Machine Learning · Computer Science 2014-09-23 Roland Maas , Christian Huemmer , Armin Sehr , Walter Kellermann

Acoustic Word Embeddings (AWEs) improve the efficiency of speech retrieval tasks such as Spoken Term Detection (STD) and Keyword Spotting (KWS). However, existing approaches suffer from limitations, including unimodal supervision, disjoint…

Sound · Computer Science 2025-12-17 Ramesh Gundluru , Shubham Gupta , Sri Rama Murty K

Learning high quality sentence embeddings from dialogues has drawn increasing attentions as it is essential to solve a variety of dialogue-oriented tasks with low annotation cost. Annotating and gathering utterance relationships in…

Computation and Language · Computer Science 2026-04-14 Minsik Oh , Jiwei Li , Guoyin Wang

Unsupervised feature selection has been always attracting research attention in the communities of machine learning and data mining for decades. In this paper, we propose an unsupervised feature selection method seeking a feature…

Machine Learning · Computer Science 2015-06-04 Sen Wang , Feiping Nie , Xiaojun Chang , Lina Yao , Xue Li , Quan Z. Sheng

Part-level features are crucial for image understanding, but few studies focus on them because of the lack of fine-grained labels. Although unsupervised part discovery can eliminate the reliance on labels, most of them cannot maintain…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Jiahao Xia , Yike Wu , Wenjian Huang , Jianguo Zhang , Jian Zhang

Despite the rapid advancement of unsupervised learning in visual representation, it requires training on large-scale datasets that demand costly data collection, and pose additional challenges due to concerns regarding data privacy.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 David Junhao Zhang , Mutian Xu , Chuhui Xue , Wenqing Zhang , Xiaoguang Han , Song Bai , Mike Zheng Shou

To achieve reliable mining results for massive vessel trajectories, one of the most important challenges is how to efficiently compute the similarities between different vessel trajectories. The computation of vessel trajectory similarity…

Machine Learning · Computer Science 2021-06-11 Maohan Liang , Ryan Wen Liu , Shichen Li , Zhe Xiao , Xin Liu , Feng Lu

Human infant learning happens during exploration of the environment, by interaction with objects, and by listening to and repeating utterances casually, which is analogous to unsupervised learning. Only occasionally, a learning infant would…

Computation and Language · Computer Science 2023-02-23 Ozan Özdemir , Matthias Kerzel , Cornelius Weber , Jae Hee Lee , Muhammad Burhan Hafez , Patrick Bruns , Stefan Wermter

Automatic speech quality assessment is essential for audio researchers, developers, speech and language pathologists, and system quality engineers. The current state-of-the-art systems are based on framewise speech features (hand-engineered…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-15 Karl El Hajal , Zihan Wu , Neil Scheidwasser-Clow , Gasser Elbanna , Milos Cernak

Our work focuses on unsupervised and generative methods that address the following goals: (a) learning unsupervised generative representations that discover latent factors controlling image semantic attributes, (b) studying how this ability…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 William Paul , I-Jeng Wang , Fady Alajaji , Philippe Burlina

The challenges faced by text classification with large tag systems in natural language processing tasks include multiple tag systems, uneven data distribution, and high noise. To address these problems, the ESimCSE unsupervised comparative…

Machine Learning · Computer Science 2023-04-27 Ruan Lu , Zhou HangCheng , Ran Meng , Zhao Jin , Qin JiaoYu , Wei Feng , Wang ChenZi

This dissertation presents several new methods of supervised and unsupervised learning of word sense disambiguation models. The supervised methods focus on performing model searches through a space of probabilistic models, and the…

Computation and Language · Computer Science 2009-09-29 Ted Pedersen

Speech encodes a wealth of information related to human behavior and has been used in a variety of automated behavior recognition tasks. However, extracting behavioral information from speech remains challenging including due to inadequate…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-09 Haoqi Li , Brian Baucom , Shrikanth Narayanan , Panayiotis Georgiou

Deep Convolutional Neural Networks (CNNs) have been pushing the frontier of the face recognition research in the past years. However, existing general CNN face models generalize poorly to the scenario of occlusions on variable facial areas.…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Lingxue Song , Dihong Gong , Zhifeng Li , Changsong Liu , Wei Liu

Unsupervised Domain Adaptation has been an efficient approach to transferring the semantic segmentation model across data distributions. Meanwhile, the recent Open-vocabulary Semantic Scene understanding based on large-scale vision language…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Thanh-Dat Truong , Utsav Prabhu , Dongyi Wang , Bhiksha Raj , Susan Gauch , Jeyamkondan Subbiah , Khoa Luu

The current monaural state of the art tools for speech separation relies on supervised learning. This means that they must deal with permutation problem, they are impacted by the mismatch on the number of speakers used in training and…

Sound · Computer Science 2024-10-10 Peter Ochieng

Automatic speech recognition (ASR) has been widely researched with supervised approaches, while many low-resourced languages lack audio-text aligned data, and supervised methods cannot be applied on them. In this work, we propose a…

Computation and Language · Computer Science 2018-08-14 Yi-Chen Chen , Chia-Hao Shen , Sung-Feng Huang , Hung-yi Lee

Learning sentence embeddings often requires a large amount of labeled data. However, for most tasks and domains, labeled data is seldom available and creating it is expensive. In this work, we present a new state-of-the-art unsupervised…

Computation and Language · Computer Science 2021-09-13 Kexin Wang , Nils Reimers , Iryna Gurevych

Multi-speaker speech recognition has been one of the keychallenges in conversation transcription as it breaks the singleactive speaker assumption employed by most state-of-the-artspeech recognition systems. Speech separation is consideredas…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-08 Jian Wu , Zhuo Chen , Jinyu Li , Takuya Yoshioka , Zhili Tan , Ed Lin , Yi Luo , Lei Xie

Recent methods for self-supervised learning can be grouped into two paradigms: contrastive and non-contrastive approaches. Their success can largely be attributed to data augmentation pipelines which generate multiple views of a single…

Machine Learning · Computer Science 2022-02-08 William Falcon , Ananya Harsh Jha , Teddy Koker , Kyunghyun Cho
‹ Prev 1 8 9 10 Next ›