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A contextual care protocol is used by a medical practitioner for patient healthcare, given the context or situation that the specified patient is in. This paper proposes a method to build an automated self-adapting protocol which can help…

Machine Learning · Computer Science 2018-11-16 Yash Pratyush Sinha , Pranshu Malviya , Minerva Panda , Syed Mohd Ali

This technical report presents our first place winning solution for temporal action detection task in CVPR-2022 AcitivityNet Challenge. The task aims to localize temporal boundaries of action instances with specific classes in long…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Xiang Wang , Huaxin Zhang , Shiwei Zhang , Changxin Gao , Yuanjie Shao , Nong Sang

Noise-contrastive estimation (NCE) is a popular method for estimating unnormalised probabilistic models, such as energy-based models, which are effective for modelling complex data distributions. Unlike classical maximum likelihood (ML)…

Machine Learning · Statistics 2024-02-27 Amanda Olmin , Jakob Lindqvist , Lennart Svensson , Fredrik Lindsten

Robustness to environmental noise is important to creating automatic speech emotion recognition systems that are deployable in the real world. Prior work on noise robustness has assumed that systems would not make use of sample-by-sample…

Sound · Computer Science 2020-10-23 Alex Wilf , Emily Mower Provost

This paper demonstrates the potential of convolutional neural networks (CNN) for detecting and classifying prosodic events on words, specifically pitch accents and phrase boundary tones, from frame-based acoustic features. Typical…

Computation and Language · Computer Science 2017-06-05 Sabrina Stehwien , Ngoc Thang Vu

Contrastive representation learning has proven to be an effective self-supervised learning method for images and videos. Most successful approaches are based on Noise Contrastive Estimation (NCE) and use different views of an instance as…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Julien Denize , Jaonary Rabarisoa , Astrid Orcesi , Romain Hérault

Acoustic Scene Classification (ASC) is one of the core research problems in the field of Computational Sound Scene Analysis. In this work, we present SubSpectralNet, a novel model which captures discriminative features by incorporating…

Sound · Computer Science 2019-02-26 Sai Samarth R Phaye , Emmanouil Benetos , Ye Wang

This paper presents the first evaluation of k-nearest neighbours-Averaging (kNN-Avg) on a real-world case study. kNN-Avg is a novel technique that tackles the challenges of noisy multi-objective optimisation (MOO). Existing studies suggest…

Robotics · Computer Science 2021-09-17 Stefan Klikovits , Paolo Arcaini

It is critical yet challenging for deep learning models to properly characterize uncertainty that is pervasive in real-world environments. Although a lot of efforts have been made, such as heteroscedastic neural networks (HNNs), little work…

Machine Learning · Computer Science 2021-03-30 Peng Cui , Zhijie Deng , Wenbo Hu , Jun Zhu

This paper presents a context-aware framework for feature selection and classification procedures to realize a fast and accurate audio event annotation and classification. The context-aware design starts with exploring feature extraction…

Sound · Computer Science 2023-03-08 M. Mehrdad Morsali , Hoda Mohammadzade , Saeed Bagheri Shouraki

Ensemble learning has gain attention in resent deep learning research as a way to further boost the accuracy and generalizability of deep neural network (DNN) models. Recent ensemble training method explores different training algorithms or…

Machine Learning · Computer Science 2023-01-20 Jingchi Zhang , Huanrui Yang , Hai Li

Self-supervised pre-trained transformers have improved the state of the art on a variety of speech tasks. Due to the quadratic time and space complexity of self-attention, they usually operate at the level of relatively short (e.g.,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-30 Suwon Shon , Felix Wu , Kwangyoun Kim , Prashant Sridhar , Karen Livescu , Shinji Watanabe

Acoustic scene classification is an automatic listening problem that aims to assign an audio recording to a pre-defined scene based on its audio data. Over the years (and in past editions of the DCASE) this problem has often been solved…

Neural processes (NPs) aim to stochastically complete unseen data points based on a given context dataset. NPs essentially leverage a given dataset as a context representation to derive a suitable identifier for a novel task. To improve the…

Machine Learning · Computer Science 2022-04-13 Mingyu Kim , Kyeongryeol Go , Se-Young Yun

Sound event detection (SED) is a task to detect sound events in an audio recording. One challenge of the SED task is that many datasets such as the Detection and Classification of Acoustic Scenes and Events (DCASE) datasets are weakly…

Sound · Computer Science 2020-08-25 Qiuqiang Kong , Yong Xu , Wenwu Wang , Mark D. Plumbley

A mainstream type of the state of the arts (SOTAs) based on convolutional neural network (CNN) for real image denoising contains two sub-problems, i.e., noise estimation and non-blind denoising. This paper considers real noise approximated…

Image and Video Processing · Electrical Eng. & Systems 2022-11-29 Yifan Zuo , Jiacheng Xie , Yuming Fang , Yan Huang , Wenhui Jiang

In this paper, we propose a framework for environmental sound classification in a low-data context (less than 100 labeled examples per class). We show that using pre-trained image classification models along with the usage of data…

Sound · Computer Science 2019-09-30 Sainath Adapa

We introduce a novel \textit{k}-nearest neighbor (\textit{k}-NN) regression method for joint estimation of the conditional mean and variance. The proposed algorithm preserves the computational efficiency and manifold-learning capabilities…

Speech enhancement plays an essential role in various applications, and the integration of visual information has been demonstrated to bring substantial advantages. However, the majority of current research concentrates on the examination…

Sound · Computer Science 2025-04-03 Xinyuan Qian , Jiaran Gao , Yaodan Zhang , Qiquan Zhang , Hexin Liu , Leibny Paola Garcia , Haizhou Li

Vehicular communication systems face significant challenges due to high mobility and rapidly changing environments, which affect the channel over which the signals travel. To address these challenges, neural network (NN)-based channel…

Machine Learning · Computer Science 2025-02-12 Simbarashe Aldrin Ngorima , Albert Helberg , Marelie H. Davel