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How can we effectively develop speech technology for languages where no transcribed data is available? Many existing approaches use no annotated resources at all, yet it makes sense to leverage information from large annotated corpora in…

计算与语言 · 计算机科学 2018-11-12 Enno Hermann , Sharon Goldwater

We propose an unsupervised visual tracking method in this paper. Different from existing approaches using extensive annotated data for supervised learning, our CNN model is trained on large-scale unlabeled videos in an unsupervised manner.…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Ning Wang , Yibing Song , Chao Ma , Wengang Zhou , Wei Liu , Houqiang Li

Multilingual speech recognition with supervised learning has achieved great results as reflected in recent research. With the development of pretraining methods on audio and text data, it is imperative to transfer the knowledge from…

计算与语言 · 计算机科学 2022-05-26 Ngoc-Quan Pham , Alex Waibel , Jan Niehues

With the advantage of low storage cost and high efficiency, hashing learning has received much attention in the domain of Big Data. In this paper, we propose a novel unsupervised hashing learning method to cope with this open problem to…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Jun Yu , Xiao-Jun Wu

Most multilayer least squares (LS)-based neural networks are structured with two separate stages: unsupervised feature encoding and supervised pattern classification. Once the unsupervised learning is finished, the latent encoding would be…

机器学习 · 计算机科学 2021-03-04 Wandong Zhang , QM Jonathan Wu , Yimin Yang , WG Will Zhao , Tianlei Wang , Hui Zhang

Speaker profiling, which aims to estimate speaker characteristics such as age and height, has a wide range of applications inforensics, recommendation systems, etc. In this work, we propose a semisupervised learning approach to mitigate the…

音频与语音处理 · 电气工程与系统科学 2021-10-27 Shangeth Rajaa , Pham Van Tung , Chng Eng Siong

In this paper, we propose a Convolutional Neural Network (CNN) based speaker recognition model for extracting robust speaker embeddings. The embedding can be extracted efficiently with linear activation in the embedding layer. To understand…

音频与语音处理 · 电气工程与系统科学 2018-09-13 Suwon Shon , Hao Tang , James Glass

In this paper, we propose an extremely simple deep model for the unsupervised nonlinear dimensionality reduction -- deep distributed random samplings, which performs like a stack of unsupervised bootstrap aggregating. First, its network…

机器学习 · 计算机科学 2013-12-17 Xiao-Lei Zhang

In this paper we aim to automatically discover high quality frame-level speech features and acoustic tokens directly from unlabeled speech data. A Multi-granular Acoustic Tokenizer (MAT) was proposed for automatic discovery of multiple sets…

计算与语言 · 计算机科学 2017-07-19 Cheng-Tao Chung , Cheng-Yu Tsai , Chia-Hsiang Liu , Lin-Shan Lee

Deep learning and convolutional neural networks (CNNs) have made progress in polarimetric synthetic aperture radar (PolSAR) image classification over the past few years. However, a crucial issue has not been addressed, i.e., the requirement…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Lamei Zhang , Siyu Zhang , Bin Zou , Hongwei Dong

In the last few years, neural networks have been intensively used to develop meaningful distributed representations of words and contexts around them. When these representations, also known as "embeddings", are learned from unsupervised…

计算与语言 · 计算机科学 2019-08-07 Giuseppe Marra , Andrea Zugarini , Stefano Melacci , Marco Maggini

Unsupervised cross-lingual pretraining has achieved strong results in neural machine translation (NMT), by drastically reducing the need for large parallel data. Most approaches adapt masked-language modeling (MLM) to sequence-to-sequence…

计算与语言 · 计算机科学 2021-06-11 Christos Baziotis , Ivan Titov , Alexandra Birch , Barry Haddow

The success of existing deep-learning based multi-view stereo (MVS) approaches greatly depends on the availability of large-scale supervision in the form of dense depth maps. Such supervision, while not always possible, tends to hinder the…

计算机视觉与模式识别 · 计算机科学 2019-09-02 Yuchao Dai , Zhidong Zhu , Zhibo Rao , Bo Li

Segmentation remains an important preprocessing step both in languages where "words" or other important syntactic/semantic units (like morphemes) are not clearly delineated by white space, as well as when dealing with continuous speech…

计算与语言 · 计算机科学 2021-09-07 C. M. Downey , Fei Xia , Gina-Anne Levow , Shane Steinert-Threlkeld

In recent years there have been many deep learning approaches towards the multi-speaker source separation problem. Most use Long Short-Term Memory - Recurrent Neural Networks (LSTM-RNN) or Convolutional Neural Networks (CNN) to model the…

机器学习 · 计算机科学 2019-12-20 Jeroen Zegers , Hugo Van hamme

We propose a deep beamforming framework for enhancing target speaker(s) in multi-speaker environments. A deep neural network (DNN) is trained to estimate beamforming weights directly from noisy multichannel inputs while satisfying linear…

音频与语音处理 · 电气工程与系统科学 2026-05-21 Ilai Zaidel , Ori Engel , Bar Engel , Sharon Gannot

Unsupervised learning methods have recently shown their competitiveness against supervised training. Typically, these methods use a single objective to train the entire network. But one distinct advantage of unsupervised over supervised…

计算机视觉与模式识别 · 计算机科学 2021-06-14 Zefan Li , Chenxi Liu , Alan Yuille , Bingbing Ni , Wenjun Zhang , Wen Gao

We consider the problem of translating, in an unsupervised manner, between two domains where one contains some additional information compared to the other. The proposed method disentangles the common and separate parts of these domains…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Ron Mokady , Sagie Benaim , Lior Wolf , Amit Bermano

This paper proposes an unsupervised method for learning a unified representation that serves both discriminative and generative purposes. While most existing unsupervised learning approaches focus on a representation for only one of these…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Shengbang Tong , Xili Dai , Yubei Chen , Mingyang Li , Zengyi Li , Brent Yi , Yann LeCun , Yi Ma

The recent rise of unsupervised and self-supervised learning has dramatically reduced the dependency on labeled data, providing effective image representations for transfer to downstream vision tasks. Furthermore, recent works employed…

机器学习 · 计算机科学 2021-06-14 Andrey Voynov , Stanislav Morozov , Artem Babenko