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In the field of information forensics, many emerging problems involve a critical step that estimates and tracks weak frequency components in noisy signals. It is often challenging for the prior art of frequency tracking to i)achieve a high…

信号处理 · 电气工程与系统科学 2020-10-16 Qiang Zhu , Mingliang Chen , Chau-Wai Wong , Min Wu

The objective of Continual Test-time Domain Adaptation (CTDA) is to gradually adapt a pre-trained model to a sequence of target domains without accessing the source data. This paper proposes a Dynamic Sample Selection (DSS) method for CTDA.…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Yanshuo Wang , Jie Hong , Ali Cheraghian , Shafin Rahman , David Ahmedt-Aristizabal , Lars Petersson , Mehrtash Harandi

This paper presents novel Weighted Finite-State Transducer (WFST) topologies to implement Connectionist Temporal Classification (CTC)-like algorithms for automatic speech recognition. Three new CTC variants are proposed: (1) the…

音频与语音处理 · 电气工程与系统科学 2022-09-27 Aleksandr Laptev , Somshubra Majumdar , Boris Ginsburg

Where dealing with temporal sequences it is fair to assume that the same kind of deformations that motivated the development of the Dynamic Time Warp algorithm could be relevant also in the calculation of the dot product ("convolution") in…

机器学习 · 计算机科学 2019-11-06 Yaniv Shulman

The study of speech disorders can benefit greatly from time-aligned data. However, audio-text mismatches in disfluent speech cause rapid performance degradation for modern speech aligners, hindering the use of automatic approaches. In this…

音频与语音处理 · 电气工程与系统科学 2023-06-05 Theodoros Kouzelis , Georgios Paraskevopoulos , Athanasios Katsamanis , Vassilis Katsouros

Audio-text retrieval (ATR), which retrieves a relevant caption given an audio clip (A2T) and vice versa (T2A), has recently attracted much research attention. Existing methods typically aggregate information from each modality into a single…

声音 · 计算机科学 2024-03-18 Qian Wang , Jia-Chen Gu , Zhen-Hua Ling

This paper proposes an adaptation method for end-to-end speech recognition. In this method, multiple automatic speech recognition (ASR) 1-best hypotheses are integrated in the computation of the connectionist temporal classification (CTC)…

计算与语言 · 计算机科学 2021-04-01 Cong-Thanh Do , Rama Doddipatla , Thomas Hain

Graph models provide efficient tools to capture the underlying structure of data defined over networks. Many real-world network topologies are subject to change over time. Learning to model the dynamic interactions between entities in such…

机器学习 · 计算机科学 2025-01-03 Amirhossein Javaheri , Jiaxi Ying , Daniel P. Palomar , Farokh Marvasti

Text recognition methods are gaining rapid development. Some advanced techniques, e.g., powerful modules, language models, and un- and semi-supervised learning schemes, consecutively push the performance on public benchmarks forward.…

计算机视觉与模式识别 · 计算机科学 2024-01-01 Ziyin Zhang , Ning Lu , Minghui Liao , Yongshuai Huang , Cheng Li , Min Wang , Wei Peng

The study of correlations between brain regions is an important chapter of the analysis of large-scale brain spatiotemporal dynamics. In particular, novel methods suited to extract dynamic changes in mutual correlations are needed. Here we…

神经元与认知 · 定量生物学 2018-10-11 Jeremi K. Ochab , Wojciech Tarnowski , and Maciej A. Nowak , Dante R. Chialvo

In multi-sample keyword spotting, each keyword class is represented by multiple spoken instances, called samples. A na\"ive approach to detect keywords in a target sequence consists of querying all samples of all classes using sub-sequence…

音频与语音处理 · 电气工程与系统科学 2024-06-06 Kevin Wilkinghoff , Alessia Cornaggia-Urrigshardt

An algorithm is presented to update the multi-fractal spectrum of a time series in constant time when new data arrives. The discrete wavelet transform (DWT) of the time series is first updated for the new data value. This is done optimally…

混沌动力学 · 物理学 2007-05-23 Nicolas Brodu

Connectionist Temporal Classification has recently attracted a lot of interest as it offers an elegant approach to building acoustic models (AMs) for speech recognition. The CTC loss function maps an input sequence of observable feature…

计算与语言 · 计算机科学 2017-08-16 Thomas Zenkel , Ramon Sanabria , Florian Metze , Jan Niehues , Matthias Sperber , Sebastian Stüker , Alex Waibel

Most recent studies on detecting and localizing temporal anomalies have mainly employed deep neural networks to learn the normal patterns of temporal data in an unsupervised manner. Unlike them, the goal of our work is to fully utilize…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Dongha Lee , Sehun Yu , Hyunjun Ju , Hwanjo Yu

Recent advances in deep learning accelerated the development of content-based automatic music tagging systems. Music information retrieval (MIR) researchers proposed various architecture designs, mainly based on convolutional neural…

音频与语音处理 · 电气工程与系统科学 2020-06-02 Minz Won , Andres Ferraro , Dmitry Bogdanov , Xavier Serra

Recent advances in real-time music score following have made it possible for machines to automatically track highly complex polyphonic music, including full orchestra performances. In this paper, we attempt to take this to an even higher…

音频与语音处理 · 电气工程与系统科学 2020-06-22 Charles Brazier , Gerhard Widmer

Accurate prediction of the need for invasive mechanical ventilation (IMV) in intensive care units (ICUs) patients is crucial for timely interventions and resource allocation. However, variability in patient populations, clinical practices,…

机器学习 · 计算机科学 2026-01-28 Xiaolei Lu , Shamim Nemati

This paper presents a novel framework for multi-talker automatic speech recognition without the need for auxiliary information. Serialized Output Training (SOT), a widely used approach, suffers from recognition errors due to speaker…

音频与语音处理 · 电气工程与系统科学 2025-06-10 Asahi Sakuma , Hiroaki Sato , Ryuga Sugano , Tadashi Kumano , Yoshihiko Kawai , Tetsuji Ogawa

Real-time tracking of the position of a musical performance on a musical score, i.e. score following, can be useful in music practice, performance and production. Example applications of such technology include computer-aided accompaniment…

声音 · 计算机科学 2022-05-09 Lin Hao Lee

Recently, learning-based stereo matching methods have achieved great improvement in public benchmarks, where soft argmin and smooth L1 loss play a core contribution to their success. However, in unsupervised domain adaptation scenarios, we…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Zhelun Shen , Zhuo Li , Chenming Wu , Zhibo Rao , Lina Liu , Yuchao Dai , Liangjun Zhang