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Convolutional neural networks (CNNs) have shown outstanding performance on image denoising with the help of large-scale datasets. Earlier methods naively trained a single CNN with many pairs of clean-noisy images. However, the conditional…

Image and Video Processing · Electrical Eng. & Systems 2021-04-05 Jae Woong Soh , Nam Ik Cho

We explore neural language modeling for speech recognition where the context spans multiple sentences. Rather than encode history beyond the current sentence using a cache of words or document-level features, we focus our study on the…

Computation and Language · Computer Science 2019-11-13 Sarangarajan Parthasarathy , William Gale , Xie Chen , George Polovets , Shuangyu Chang

Deep Neural Network-based source separation methods usually train independent models to optimize for the separation of individual sources. Although this can lead to good performance for well-defined targets, it can also be computationally…

Sound · Computer Science 2019-08-15 Clement S. J. Doire , Olumide Okubadejo

Recurrent Neural Networks (RNNs) have been widely used in processing natural language tasks and achieve huge success. Traditional RNNs usually treat each token in a sentence uniformly and equally. However, this may miss the rich semantic…

Computation and Language · Computer Science 2018-11-14 Chang Xu , Weiran Huang , Hongwei Wang , Gang Wang , Tie-Yan Liu

The Bidirectional LSTM (BLSTM) RNN based speech synthesis system is among the best parametric Text-to-Speech (TTS) systems in terms of the naturalness of generated speech, especially the naturalness in prosody. However, the model complexity…

Computation and Language · Computer Science 2018-02-27 Mengxiao Bi , Heng Lu , Shiliang Zhang , Ming Lei , Zhijie Yan

Recurrent deep learning language models like the LSTM are often used to provide advanced cyber-defense for high-value assets. The underlying assumption for using LSTM networks for malware-detection is that the op-code sequence of malware…

Cryptography and Security · Computer Science 2021-01-01 Mohit Sewak , Sanjay K. Sahay , Hemant Rathore

This paper aims to address two issues existing in the current speech enhancement methods: 1) the difficulty of phase estimations; 2) a single objective function cannot consider multiple metrics simultaneously. To solve the first problem, we…

Machine Learning · Statistics 2017-09-12 Szu-Wei Fu , Ting-yao Hu , Yu Tsao , Xugang Lu

Today when many practitioners run basic NLP on the entire web and large-volume traffic, faster methods are paramount to saving time and energy costs. Recent advances in GPU hardware have led to the emergence of bi-directional LSTMs as a…

Computation and Language · Computer Science 2017-07-25 Emma Strubell , Patrick Verga , David Belanger , Andrew McCallum

In recent years, long short-term memory neural networks (LSTMs) have been applied quite successfully to problems in handwritten text recognition. However, their strength is more located in handling sequences of variable length than in…

Computation and Language · Computer Science 2021-02-03 Mahya Ameryan , Lambert Schomaker

Large language models (LLMs) often hallucinate and lack the ability to provide attribution for their generations. Semi-parametric LMs, such as kNN-LM, approach these limitations by refining the output of an LM for a given prompt using its…

Computation and Language · Computer Science 2025-04-28 Minghan Li , Xilun Chen , Ari Holtzman , Beidi Chen , Jimmy Lin , Wen-tau Yih , Xi Victoria Lin

Recurrent Neural Network (RNN) and its variations such as Long Short-Term Memory (LSTM) and Gated Recurrent Unit (GRU), have become standard building blocks for learning online data of sequential nature in many research areas, including…

Computation and Language · Computer Science 2020-05-12 Enmao Diao , Jie Ding , Vahid Tarokh

The continuous speech separation (CSS) is a task to separate the speech sources from a long, partially overlapped recording, which involves a varying number of speakers. A straightforward extension of conventional utterance-level speech…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-24 Chenda Li , Zhuo Chen , Yi Luo , Cong Han , Tianyan Zhou , Keisuke Kinoshita , Marc Delcroix , Shinji Watanabe , Yanmin Qian

We present a novel source separation model to decompose asingle-channel speech signal into two speech segments belonging to two different speakers. The proposed model is a neural network based on residual blocks, and uses learnt speaker…

Sound · Computer Science 2019-06-25 Shuo Liu , Gil Keren , Björn Schuller

Sequence-to-sequence neural translation models learn semantic and syntactic relations between sentence pairs by optimizing the likelihood of the target given the source, i.e., $p(y|x)$, an objective that ignores other potentially useful…

Computation and Language · Computer Science 2016-03-24 Jiwei Li , Dan Jurafsky

Recent research shows end-to-end ASR systems can recognize overlapped speech from multiple speakers. However, all published works have assumed no latency constraints during inference, which does not hold for most voice assistant…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-22 Ilya Sklyar , Anna Piunova , Yulan Liu

Finite-context models (FCMs) are widely used for compressing symbolic sequences such as DNA, where predictive performance depends critically on the context length k and smoothing parameter {\alpha}. In practice, these hyperparameters are…

Machine Learning · Statistics 2026-03-23 José Contente , Ana Martins , Armando J. Pinho , Sónia Gouveia

The recently proposed Multi-Layer Convolutional Sparse Coding (ML-CSC) model, consisting of a cascade of convolutional sparse layers, provides a new interpretation of Convolutional Neural Networks (CNNs). Under this framework, the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 Jeremias Sulam , Vardan Papyan , Yaniv Romano , Michael Elad

This paper presents sampling-based speech parameter generation using moment-matching networks for Deep Neural Network (DNN)-based speech synthesis. Although people never produce exactly the same speech even if we try to express the same…

Sound · Computer Science 2017-04-13 Shinnosuke Takamichi , Tomoki Koriyama , Hiroshi Saruwatari

Automated discourse analysis tools based on Natural Language Processing (NLP) aiming at the diagnosis of language-impairing dementias generally extract several textual metrics of narrative transcripts. However, the absence of sentence…

Computation and Language · Computer Science 2017-08-17 Marcos Vinícius Treviso , Christopher Shulby , Sandra Maria Aluísio

This paper introduces a new method for multi-channel time domain speech separation in reverberant environments. A fully-convolutional neural network structure has been used to directly separate speech from multiple microphone recordings,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-12 Jisi Zhang , Catalin Zorila , Rama Doddipatla , Jon Barker