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相关论文: Spatio-Temporal Representation Learning Enhanced S…

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Spatiotemporal data consisting of timestamps, GPS coordinates, and IDs occurs in many settings. Modeling approaches for this type of data must address challenges in terms of sensor noise, uneven sampling rates, and non-persistent IDs. In…

统计方法学 · 统计学 2024-10-10 Pranay Pherwani , Nicholas Hass , Anna K. Yanchenko

Mobile phones are quickly becoming the primary source for social, behavioral, and environmental sensing and data collection. Today's smartphones are equipped with increasingly more sensors and accessible data types that enable the…

社会与信息网络 · 计算机科学 2011-11-22 Yaniv Altshuler , Nadav Aharony , Michael Fire , Yuval Elovici , Alex Pentland

In the traditional cascading architecture for spoken language understanding (SLU), it has been observed that automatic speech recognition errors could be detrimental to the performance of natural language understanding. End-to-end (E2E) SLU…

计算与语言 · 计算机科学 2021-09-02 Qian Chen , Wen Wang , Qinglin Zhang

Query-based audio source extraction seeks to recover a target source from a mixture conditioned on a query. Existing approaches are largely confined to single-channel audio, leaving the spatial information in multi-channel recordings…

音频与语音处理 · 电气工程与系统科学 2025-10-16 Chenxin Yu , Hao Ma , Xu Li , Xiao-Lei Zhang , Mingjie Shao , Chi Zhang , Xuelong Li

Syllables are compositional units of spoken language that efficiently structure human speech perception and production. However, current neural speech representations lack such structure, resulting in dense token sequences that are costly…

计算与语言 · 计算机科学 2025-03-04 Cheol Jun Cho , Nicholas Lee , Akshat Gupta , Dhruv Agarwal , Ethan Chen , Alan W Black , Gopala K. Anumanchipalli

High resolution satellite image sequences are multidimensional signals composed of spatio-temporal patterns associated to numerous and various phenomena. Bayesian methods have been previously proposed in (Heas and Datcu, 2005) to code the…

计算机视觉与模式识别 · 计算机科学 2007-09-20 Patrick Héas , Mihai Datcu

We investigate the efficiency of two very different spoken term detection approaches for transcription when the available data is insufficient to train a robust ASR system. This work is grounded in very low-resource language documentation…

计算与语言 · 计算机科学 2021-06-14 Éric Le Ferrand , Steven Bird , Laurent Besacier

Phone level localization of mis-articulation is a key requirement for an automatic articulation error assessment system. A robust phone segmentation technique is essential to aid in real-time assessment of phone level mis-articulations of…

音频与语音处理 · 电气工程与系统科学 2020-05-01 Bhavik Vachhani , Chitralekha Bhat , Sunil Kopparapu

Nowadays, there is a strong need to deploy the target speaker separation (TSS) model on mobile devices with a limitation of the model size and computational complexity. To better perform TSS for mobile voice communication, we first make a…

声音 · 计算机科学 2021-06-08 Yuanyuan Bao , Yanze Xu , Na Xu , Wenjing Yang , Hongfeng Li , Shicong Li , Yongtao Jia , Fei Xiang , Jincheng He , Ming Li

Earth observation (EO) foundation models have emerged as an effective approach to derive latent representations of the Earth system from various remote sensing sensors. These models produce embeddings that can be used as analysis-ready…

机器学习 · 计算机科学 2025-11-21 Julia Peters , Karin Mora , Miguel D. Mahecha , Chaonan Ji , David Montero , Clemens Mosig , Guido Kraemer

Real-time Magnetic Resonance Imaging (rtMRI) visualizes vocal tract action, offering a comprehensive window into speech articulation. However, its signals are high dimensional and noisy, hindering interpretation. We investigate compact…

图像与视频处理 · 电气工程与系统科学 2026-01-30 Jay Park , Hong Nguyen , Sean Foley , Jihwan Lee , Yoonjeong Lee , Dani Byrd , Shrikanth Narayanan

We develop a spatio-temporal model to forecast sensor output at five locations in North East England. The signal is described using coupled dynamic linear models, with spatial effects specified by a Gaussian process. Data streams are…

应用统计 · 统计学 2018-06-15 Yingying Lai , Andrew Golightly , Richard Boys

Capsule networks (CapsNets) have recently gotten attention as a novel neural architecture. This paper presents the sequential routing framework which we believe is the first method to adapt a CapsNet-only structure to sequence-to-sequence…

音频与语音处理 · 电气工程与系统科学 2021-04-02 Kyungmin Lee , Hyunwhan Joe , Hyeontaek Lim , Kwangyoun Kim , Sungsoo Kim , Chang Woo Han , Hong-Gee Kim

This study compares sequential image classification methods based on recurrent neural networks. We describe methods based on recurrent neural networks such as Long-Short-Term memory(LSTM), bidirectional Long-Short-Term memory(BiLSTM)…

图像与视频处理 · 电气工程与系统科学 2022-09-26 Gajraj Kuldeep

Discriminative training techniques define state-of-the-art performance for automatic speech recognition systems. However, they are inherently prone to overfitting, leading to poor generalization performance when using limited training data.…

音频与语音处理 · 电气工程与系统科学 2021-05-11 Shoukang Hu , Xurong Xie , Shansong Liu , Jianwei Yu , Zi Ye , Mengzhe Geng , Xunying Liu , Helen Meng

Localizing sounds and detecting events in different room environments is a difficult task, mainly due to the wide range of reflections and reverberations. When training neural network models with sounds recorded in only a few room…

音频与语音处理 · 电气工程与系统科学 2023-06-06 Yusun Shul , Byeong-Yun Ko , Jung-Woo Choi

We present Spatial LibriSpeech, a spatial audio dataset with over 650 hours of 19-channel audio, first-order ambisonics, and optional distractor noise. Spatial LibriSpeech is designed for machine learning model training, and it includes…

Automatic recognition systems for child speech are lagging behind those dedicated to adult speech in the race of performance. This phenomenon is due to the high acoustic and linguistic variability present in child speech caused by their…

音频与语音处理 · 电气工程与系统科学 2021-03-05 Lucile Gelin , Morgane Daniel , Julien Pinquier , Thomas Pellegrini

State-of-the-art neural network language models (NNLMs) represented by long short term memory recurrent neural networks (LSTM-RNNs) and Transformers are becoming highly complex. They are prone to overfitting and poor generalization when…

计算与语言 · 计算机科学 2022-08-30 Boyang Xue , Shoukang Hu , Junhao Xu , Mengzhe Geng , Xunying Liu , Helen Meng

We propose a nonlinear filtering framework for approaching the problems of channel state tracking and spatiotemporal channel gain prediction in mobile wireless sensor networks, in a Bayesian setting. We assume that the wireless channel…

应用统计 · 统计学 2015-02-09 Dionysios S. Kalogerias , Athina P. Petropulu