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Sensor nodes in a wireless sensor network (WSN) for security surveillance applications should preferably be small, energy-efficient, and inexpensive with in-sensor computational abilities. An appropriate data processing scheme in the sensor…

Models based on deep convolutional neural networks (CNN) have significantly improved the performance of semantic segmentation. However, learning these models requires a large amount of training images with pixel-level labels, which are very…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Linwei Ye , Zhi Liu , Yang Wang

Artificial sound event detection (SED) has the aim to mimic the human ability to perceive and understand what is happening in the surroundings. Nowadays, Deep Learning offers valuable techniques for this goal such as Convolutional Neural…

音频与语音处理 · 电气工程与系统科学 2019-06-26 Fabio Vesperini , Leonardo Gabrielli , Emanuele Principi , Stefano Squartini

Recent studies focus on developing efficient systems for acoustic scene classification (ASC) using convolutional neural networks (CNNs), which typically consist of consecutive kernels. This paper highlights the benefits of using separate…

声音 · 计算机科学 2024-05-30 Yiqiang Cai , Peihong Zhang , Shengchen Li

Frequently misclassified pairs of classes that share many common acoustic properties exist in acoustic scene classification (ASC). To distinguish such pairs of classes, trivial details scattered throughout the data could be vital clues.…

音频与语音处理 · 电气工程与系统科学 2020-07-10 Hye-jin Shim , Jee-weon Jung , Ju-ho Kim , Ha-jin Yu

This paper proposes a neural network architecture and training scheme to learn the start and end time of sound events (strong labels) in an audio recording given just the list of sound events existing in the audio without time information…

声音 · 计算机科学 2017-10-10 Sharath Adavanne , Tuomas Virtanen

This paper proposes to use low-level spatial features extracted from multichannel audio for sound event detection. We extend the convolutional recurrent neural network to handle more than one type of these multichannel features by learning…

声音 · 计算机科学 2017-06-09 Sharath Adavanne , Pasi Pertilä , Tuomas Virtanen

The task of classifying videos of natural dynamic scenes into appropriate classes has gained lot of attention in recent years. The problem especially becomes challenging when the camera used to capture the video is dynamic. In this paper,…

计算机视觉与模式识别 · 计算机科学 2015-09-01 Aalok Gangopadhyay , Shivam Mani Tripathi , Ishan Jindal , Shanmuganathan Raman

Deep convolutional neural networks (CNNs) have been actively adopted in the field of music information retrieval, e.g. genre classification, mood detection, and chord recognition. However, the process of learning and prediction is little…

机器学习 · 计算机科学 2016-07-11 Keunwoo Choi , George Fazekas , Mark Sandler

While log-amplitude mel-spectrogram has widely been used as the feature representation for processing speech based on deep learning, the effectiveness of another aspect of speech spectrum, i.e., phase information, was shown recently for…

声音 · 计算机科学 2022-05-02 Shunsuke Hidaka , Kohei Wakamiya , Tokihiko Kaburagi

In this paper, we present an end-to-end approach for environmental sound classification based on a 1D Convolution Neural Network (CNN) that learns a representation directly from the audio signal. Several convolutional layers are used to…

声音 · 计算机科学 2019-04-22 Sajjad Abdoli , Patrick Cardinal , Alessandro Lameiras Koerich

In this paper, a combinative approach using Nonnegative Matrix Factorization (NMF) and Convolutional Neural Network (CNN) is proposed for audio clip Sound Event Detection (SED). The main idea begins with the use of NMF to approximate strong…

音频与语音处理 · 电气工程与系统科学 2020-09-22 Chan Teck Kai , Chin Cheng Siong , Li Ye

Music, speech, and acoustic scene sound are often handled separately in the audio domain because of their different signal characteristics. However, as the image domain grows rapidly by versatile image classification models, it is necessary…

声音 · 计算机科学 2017-12-05 Jongpil Lee , Taejun Kim , Jiyoung Park , Juhan Nam

In this paper, we study the performance of variants of well-known Convolutional Neural Network (CNN) architectures on different audio tasks. We show that tuning the Receptive Field (RF) of CNNs is crucial to their generalization. An…

声音 · 计算机科学 2021-05-27 Khaled Koutini , Hamid Eghbal-zadeh , Gerhard Widmer

Deep Convolutional Neural Networks (CNN) have exhibited superior performance in many visual recognition tasks including image classification, object detection, and scene label- ing, due to their large learning capacity and resistance to…

计算机视觉与模式识别 · 计算机科学 2016-10-12 Miao Sun , Tony X. Han , Xun Xu , Ming-Chang Liu , Ahmad Khodayari-Rostamabad

Neural network based architectures used for sound recognition are usually adapted from other application domains, which may not harness sound related properties. The ConditionaL Neural Network (CLNN) is designed to consider the relational…

机器学习 · 计算机科学 2019-04-12 Fady Medhat , David Chesmore , John Robinson

In this paper, we propose to improve emotion recognition by combining acoustic information and conversation transcripts. On the one hand, an LSTM network was used to detect emotion from acoustic features like f0, shimmer, jitter, MFCC, etc.…

音频与语音处理 · 电气工程与系统科学 2019-11-04 Jaejin Cho , Raghavendra Pappagari , Purva Kulkarni , Jesus Villalba , Yishay Carmiel , Najim Dehak

Sound event localisation and detection (SELD) is a problem in the field of automatic listening that aims at the temporal detection and localisation (direction of arrival estimation) of sound events within an audio clip, usually of long…

This thesis focuses on dealing with the task of acoustic scene classification (ASC), and then applied the techniques developed for ASC to a real-life application of detecting respiratory disease. To deal with ASC challenges, this thesis…

声音 · 计算机科学 2021-07-21 Lam Pham

This study explores the design and application of Complex-Valued Convolutional Neural Networks (CVCNNs) in audio signal processing, with a focus on preserving and utilizing phase information often neglected in real-valued networks. We begin…

机器学习 · 计算机科学 2025-10-14 Naman Agrawal