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Current research in Visual Navigation reveals opportunities for improvement. First, the direct adoption of RNNs and Transformers often overlooks the specific differences between Embodied AI and traditional sequential data modelling,…

机器人学 · 计算机科学 2024-10-08 Ruoyu Wang , Yao Liu , Yuanjiang Cao , Lina Yao

Irregular sampling occurs in many time series modeling applications where it presents a significant challenge to standard deep learning models. This work is motivated by the analysis of physiological time series data in electronic health…

机器学习 · 计算机科学 2021-06-08 Satya Narayan Shukla , Benjamin M. Marlin

Inspired by the tremendous success of deep Convolutional Neural Networks as generic feature extractors for images, we propose TimeNet: a deep recurrent neural network (RNN) trained on diverse time series in an unsupervised manner using…

机器学习 · 计算机科学 2017-06-28 Pankaj Malhotra , Vishnu TV , Lovekesh Vig , Puneet Agarwal , Gautam Shroff

Temporal networks have been widely used to model real-world complex systems such as financial systems and e-commerce systems. In a temporal network, the joint neighborhood of a set of nodes often provides crucial structural information…

机器学习 · 计算机科学 2022-12-02 Yuhong Luo , Pan Li

Acoustic Scene Classification (ASC) is a challenging task, as a single scene may involve multiple events that contain complex sound patterns. For example, a cooking scene may contain several sound sources including silverware clinking,…

音频与语音处理 · 电气工程与系统科学 2019-09-20 Weimin Wang , Weiran Wang , Ming Sun , Chao Wang

Time-series representation learning can extract representations from data with temporal dynamics and sparse labels. When labeled data are sparse but unlabeled data are abundant, contrastive learning, i.e., a framework to learn a latent…

机器学习 · 计算机科学 2023-03-03 Heejeong Choi , Pilsung Kang

Streaming speech recognition architectures are employed for low-latency, real-time applications. Such architectures are often characterized by their causality. Causal architectures emit tokens at each frame, relying only on current and past…

音频与语音处理 · 电气工程与系统科学 2023-05-11 Grant P. Strimel , Yi Xie , Brian King , Martin Radfar , Ariya Rastrow , Athanasios Mouchtaris

Convolutional neural networks have enabled major progresses in addressing pixel-level prediction tasks such as semantic segmentation, depth estimation, surface normal prediction and so on, benefiting from their powerful capabilities in…

计算机视觉与模式识别 · 计算机科学 2021-12-16 Guanglei Yang , Paolo Rota , Xavier Alameda-Pineda , Dan Xu , Mingli Ding , Elisa Ricci

Acoustic scenes are rich and redundant in their content. In this work, we present a spatio-temporal attention pooling layer coupled with a convolutional recurrent neural network to learn from patterns that are discriminative while…

声音 · 计算机科学 2019-07-01 Huy Phan , Oliver Y. Chén , Lam Pham , Philipp Koch , Maarten De Vos , Ian McLoughlin , Alfred Mertins

Deep learning provides an excellent avenue for optimizing diagnosis and patient monitoring for clinical-based applications, which can critically enhance the response time to the onset of various conditions. For cardiovascular disease, one…

As wireless communication systems evolve, automatic modulation recognition (AMR) plays a key role in improving spectrum efficiency, especially in cognitive radio systems. Traditional AMR methods face challenges in complex, noisy…

信号处理 · 电气工程与系统科学 2025-10-22 Wangye Jiang , Haoming Yang , Xinyu Lu , Mingyuan Wang , Huimei Sun , Jingya Zhang

Deep time series metric learning is challenging due to the difficult trade-off between temporal invariance to nonlinear distortion and discriminative power in identifying non-matching sequences. This paper proposes a novel neural…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Shinnosuke Matsuo , Xiaomeng Wu , Gantugs Atarsaikhan , Akisato Kimura , Kunio Kashino , Brian Kenji Iwana , Seiichi Uchida

Fault diagnosis plays a crucial role in maintaining the operational integrity of mechanical systems, preventing significant losses due to unexpected failures. As intelligent manufacturing and data-driven approaches evolve, Deep Learning…

机器学习 · 计算机科学 2024-04-01 Zhongzhi Li , Rong Fan , Jingqi Tu , Jinyi Ma , Jianliang Ai , Yiqun Dong

Audio and visual signals typically occur simultaneously, and humans possess an innate ability to correlate and synchronize information from these two modalities. Recently, a challenging problem known as Audio-Visual Segmentation (AVS) has…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Yuxuan Wang , Jinchao Zhu , Feng Dong , Shuyue Zhu

Recording channel mismatch between training and testing conditions has been shown to be a serious problem for speech separation. This situation greatly reduces the separation performance, and cannot meet the requirement of daily use. In…

声音 · 计算机科学 2022-10-28 Fan-Lin Wang , Yao-Fei Cheng , Hung-Shin Lee , Yu Tsao , Hsin-Min Wang

Irregular multivariate time series (IMTS) is characterized by the lack of synchronized observations across its different channels. In this paper, we point out that this channel-wise asynchrony can lead to poor channel-wise modeling of…

机器学习 · 计算机科学 2025-09-23 Shuhan Zhong , Weipeng Zhuo , Sizhe Song , Guanyao Li , Zhongyi Yu , S. -H. Gary Chan

In the intelligent diagnosis of bimodal (gray-scale and contrast-enhanced) ultrasound videos, medical domain knowledge such as the way sonographers browse videos, the particular areas they emphasize, and the features they pay special…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Chengqian Zhao , Zhao Yao , Zhaoyu Hu , Yuanxin Xie , Yafang Zhang , Yuanyuan Wang , Shuo Li , Jianhua Zhou , Jianqiao Zhou , Yin Wang , Jinhua Yu

Multivariate time series forecasting is an important machine learning problem across many domains, including predictions of solar plant energy output, electricity consumption, and traffic jam situation. Temporal data arise in these…

机器学习 · 计算机科学 2018-04-20 Guokun Lai , Wei-Cheng Chang , Yiming Yang , Hanxiao Liu

Air quality prediction is key to mitigating health impacts and guiding decisions, yet existing models tend to focus on temporal trends while overlooking spatial generalization. We propose AQ-Net, a spatiotemporal reanalysis model for both…

机器学习 · 计算机科学 2026-04-13 Ammar Kheder , Benjamin Foreback , Lili Wang , Zhi-Song Liu , Michael Boy

Convolutional neural networks (CNN) are one of the best-performing neural network architectures for environmental sound classification (ESC). Recently, temporal attention mechanisms have been used in CNN to capture the useful information…

声音 · 计算机科学 2020-05-22 Helin Wang , Yuexian Zou , Dading Chong , Wenwu Wang