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We propose an information theoretic framework for quantitative assessment of acoustic modeling for hidden Markov model (HMM) based automatic speech recognition (ASR). Acoustic modeling yields the probabilities of HMM sub-word states for a…

声音 · 计算机科学 2017-11-09 Pranay Dighe , Afsaneh Asaei , Hervé Bourlard

Nuclear Magnetic Resonance (NMR) is an intriguing quantum-mechanical effect that is used for daily life medical diagnostics and chemical analysis alike. Numerous advancements have contributed to the success of the technique, including…

化学物理 · 物理学 2020-04-28 Andrey N. Pravdivtsev , Frank D. Sönnichsen , Jan-Bernd Hövener

As in many other scientific domains, we face a fundamental problem when using machine learning to identify proteins from mass spectrometry data: large ground truth datasets mapping inputs to correct outputs are extremely difficult to…

Neuropathies are gaining higher relevance in clinical settings, as they risk permanently jeopardizing a person's life. To support the recovery of patients, the use of fully implanted devices is emerging as one of the most promising…

人工智能 · 计算机科学 2024-04-03 Antonio Coviello , Francesco Linsalata , Umberto Spagnolini , Maurizio Magarini

Identification of bird species from audio records is one of the challenging tasks due to the existence of multiple species in the same recording, noise in the background, and long-term recording. Besides, choosing a proper acoustic feature…

声音 · 计算机科学 2022-01-04 Nahian Ibn Hasan

The state-of-art methods for acoustic beamforming in multi-channel ASR are based on a neural mask estimator that predicts the presence of speech and noise. These models are trained using a paired corpus of clean and noisy recordings…

音频与语音处理 · 电气工程与系统科学 2019-12-02 Rohit Kumar , Anirudh Sreeram , Anurenjan Purushothaman , Sriram Ganapathy

Multichannel frequency estimation with incomplete data and miscellaneous noises arises in array signal processing, modal analysis, wireless communications, and so on. In this paper, we consider maximum-likelihood(-like) optimization methods…

信号处理 · 电气工程与系统科学 2023-07-18 Xunmeng Wu , Zai Yang , Zongben Xu

Deep neural networks (DNNs) have been successfully applied to a wide variety of acoustic modeling tasks in recent years. These include the applications of DNNs either in a discriminative feature extraction or in a hybrid acoustic modeling…

机器学习 · 统计学 2016-06-21 Vikrant Singh Tomar , Richard C. Rose

An accurate objective speech intelligibility prediction algorithms is of great interest for many applications such as speech enhancement for hearing aids. Most algorithms measures the signal-to-noise ratios or correlations between the…

音频与语音处理 · 电气工程与系统科学 2022-07-07 Zehai Tu , Ning Ma , Jon Barker

Nuclear magnetic resonance spectroscopy (MRS) allows for the determination of atomic structures and concentrations of different chemicals in a biochemical sample of interest. MRS is used in vivo clinically to aid in the diagnosis of several…

医学物理 · 物理学 2021-05-04 Zohaib Iqbal , Dan Nguyen , M. Albert Thomas , Steve Jiang

In recent years, deep learning technique has received intense attention owing to its great success in image recognition. A tendency of adaption of deep learning in various information processing fields has formed, including music…

音频与语音处理 · 电气工程与系统科学 2019-06-28 Wenhao Bian , Jie Wang , Bojin Zhuang , Jiankui Yang , Shaojun Wang , Jing Xiao

Using techniques borrowed from statistical physics and neural networks, we determine the parameters, associated with a scoring function, that are chosen optimally to ensure complete success in threading tests in a training set of proteins.…

软凝聚态物质 · 物理学 2009-11-07 Iksoo Chang , Marek Cieplak , Ruxandra I. Dima , Amos Maritan , Jayanth R. Banavar

We propose to model the acoustic space of deep neural network (DNN) class-conditional posterior probabilities as a union of low-dimensional subspaces. To that end, the training posteriors are used for dictionary learning and sparse coding.…

计算与语言 · 计算机科学 2017-09-07 Pranay Dighe , Gil Luyet , Afsaneh Asaei , Herve Bourlard

In multi-channel speech enhancement and robust automatic speech recognition (ASR), beamforming can typically improve the signal-to-noise ratio (SNR) of the target speaker and produce reliable enhancement with little distortion to target…

音频与语音处理 · 电气工程与系统科学 2025-07-22 Zhong-Qiu Wang , Ruizhe Pang

Protein structure reconstruction from Nuclear Magnetic Resonance (NMR) experiments largely relies on computational algorithms. Recently, some effective low-rank matrix completion (MC) methods, such as ASD and ScaledASD, have been…

生物物理 · 物理学 2018-09-24 Z. Li , S. Li , X. Wei , X. Peng , Q. Zhao

A representation technique that allows encoding music in a way that contains musical meaning would improve the results of any model trained for computer music tasks like generation of melodies and harmonies of better quality. The field of…

计算与语言 · 计算机科学 2020-05-20 Sebastian Garcia-Valencia

Magnetic resonance spectroscopy (MRS) is an important technique in biomedical research and it has the unique capability to give a non-invasive access to the biochemical content (metabolites) of scanned organs. In the literature, the…

计算机视觉与模式识别 · 计算机科学 2018-06-20 Nima Hatami , Michaël Sdika , Hélène Ratiney

Modern Automatic Speech Recognition (ASR) systems primarily rely on scores from an Acoustic Model (AM) and a Language Model (LM) to rescore the N-best lists. With the abundance of recent natural language processing advances, the information…

计算与语言 · 计算机科学 2019-10-28 Yuanfeng Song , Di Jiang , Xuefang Zhao , Qian Xu , Raymond Chi-Wing Wong , Lixin Fan , Qiang Yang

Neural audio codecs have revolutionized audio processing by enabling speech tasks to be performed on highly compressed representations. Recent work has shown that speech separation can be achieved within these compressed domains, offering…

音频与语音处理 · 电气工程与系统科学 2024-11-28 Jia Qi Yip , Chin Yuen Kwok , Bin Ma , Eng Siong Chng

In this paper, we provide an extensive overview of machine learning techniques applied to structural magnetic resonance imaging (MRI) data to obtain clinical classifiers. We specifically address practical problems commonly encountered in…

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