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Inference latency and trustworthiness of Deep Neural Networks (DNNs) are the bottlenecks in deploying them in critical applications like sensitive tasks. Early Exit (EE) DNNs overcome the latency issues by allowing samples to exit from…

机器学习 · 计算机科学 2025-09-16 Divya Jyoti Bajpai , Manjesh Kumar Hanawal

Outdoor acoustic events detection is an exciting research field but challenged by the need for complex algorithms and deep learning techniques, typically requiring many computational, memory, and energy resources. This challenge discourages…

音频与语音处理 · 电气工程与系统科学 2020-01-30 Gianmarco Cerutti , Rahul Prasad , Alessio Brutti , Elisabetta Farella

Speech Emotion Recognition (SER) has been traditionally formulated as a classification task. However, emotions are generally a spectrum whose distribution varies from situation to situation leading to poor Out-of-Domain (OOD) performance.…

声音 · 计算机科学 2024-07-23 Hazim Bukhari , Soham Deshmukh , Hira Dhamyal , Bhiksha Raj , Rita Singh

Scientists at the Berkeley SETI Research Center are Searching for Extraterrestrial Intelligence (SETI) by a new signal detection method that converts radio signals into spectrograms through Fourier transforms and classifies signals…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Zhewei Chen , Sami Ahmed Haider

Event Detection, which aims to identify and classify mentions of event instances from unstructured articles, is an important task in Natural Language Processing (NLP). Existing techniques for event detection only use homogeneous one-hot…

计算与语言 · 计算机科学 2022-11-03 Anran Hao , Siu Cheung Hui , Jian Su

In this paper, we propose a deep-learning framework for environmental sound deepfake detection (ESDD) -- the task of identifying whether the sound scene and sound event in an input audio recording is fake or not. To this end, we conducted…

声音 · 计算机科学 2026-05-04 Lam Pham , Khoi Vu , Dat Tran , Phat Lam , Vu Nguyen , David Fischinger , Son Le

Fake news travels at unprecedented speeds, reaches global audiences and puts users and communities at great risk via social media platforms. Deep learning based models show good performance when trained on large amounts of labeled data on…

信息检索 · 计算机科学 2021-06-28 Yaqing Wang , Fenglong Ma , Haoyu Wang , Kishlay Jha , Jing Gao

To tackle sound event detection (SED), we propose frequency dependent networks (FreDNets), which heavily leverage frequency-dependent methods. We apply frequency warping and FilterAugment, which are frequency-dependent data augmentation…

音频与语音处理 · 电气工程与系统科学 2024-09-23 Hyeonuk Nam , Deokki Min , Seungdeok Choi , Inhan Choi , Yong-Hwa Park

In this paper, we propose a method called Hodge and Podge for sound event detection. We demonstrate Hodge and Podge on the dataset of Detection and Classification of Acoustic Scenes and Events (DCASE) 2019 Challenge Task 4. This task aims…

声音 · 计算机科学 2020-02-17 Ziqiang Shi , Liu Liu , Huibin Lin , Rujie Liu

Spectral estimation (SE) aims to identify how the energy of a signal (e.g., a time series) is distributed across different frequencies. This can become particularly challenging when only partial and noisy observations of the signal are…

机器学习 · 统计学 2019-01-15 Felipe Tobar

A significant challenge in sound event detection (SED) is the effective utilization of unlabeled data, given the limited availability of labeled data due to high annotation costs. Semi-supervised algorithms rely on labeled data to learn…

声音 · 计算机科学 2024-09-27 Pengfei Cai , Yan Song , Nan Jiang , Qing Gu , Ian McLoughlin

While many deep learning methods on other domains have been applied to sound event detection (SED), differences between original domains of the methods and SED have not been appropriately considered so far. As SED uses audio data with two…

音频与语音处理 · 电气工程与系统科学 2022-06-24 Hyeonuk Nam , Seong-Hu Kim , Deokki Min , Byeong-Yun Ko , Seung-Deok Choi , Yong-Hwa Park

Ear recognition system has been widely studied whereas there are just a few ear presentation attack detection methods for ear recognition systems, consequently, there is no publicly available ear presentation attack detection (PAD)…

计算机视觉与模式识别 · 计算机科学 2021-12-13 Jalil Nourmohammadi Khiarak

Sound event detection (SED) has significantly benefited from self-supervised learning (SSL) approaches, particularly masked audio transformer for SED (MAT-SED), which leverages masked block prediction to reconstruct missing audio segments.…

音频与语音处理 · 电气工程与系统科学 2025-03-03 Hyeonuk Nam , Yong-Hwa Park

Social Event Detection (SED) aims to identify significant events from social streams, and has a wide application ranging from public opinion analysis to risk management. In recent years, Graph Neural Network (GNN) based solutions have…

计算与语言 · 计算机科学 2024-09-11 Pu Li , Xiaoyan Yu , Hao Peng , Yantuan Xian , Linqin Wang , Li Sun , Jingyun Zhang , Philip S. Yu

Reliable uncertainty estimation has become a crucial requirement for the industrial deployment of deep learning algorithms, particularly in high-risk applications such as autonomous driving and medical diagnosis. However, mainstream…

机器学习 · 计算机科学 2024-09-10 Junyu Gao , Mengyuan Chen , Liangyu Xiang , Changsheng Xu

Sound event detection (SED) entails two subtasks: recognizing what types of sound events are present in an audio stream (audio tagging), and pinpointing their onset and offset times (localization). In the popular multiple instance learning…

声音 · 计算机科学 2019-02-20 Yun Wang , Juncheng Li , Florian Metze

In this study, we investigate how environmental factors, specifically the scenes and objects involved, can affect the expression of emotions through body language. To this end, we introduce a novel multi-stream deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Mohammad Mahdi Dehshibi , David Masip

Traditional deep neural networks (NNs) have significantly contributed to the state-of-the-art performance in the task of classification under various application domains. However, NNs have not considered inherent uncertainty in data…

机器学习 · 计算机科学 2021-05-05 Yibo Hu , Yuzhe Ou , Xujiang Zhao , Jin-Hee Cho , Feng Chen

It is challenging to detect the anomaly in crowded scenes for quite a long time. In this paper, a self-supervised framework, abnormal event detection network (AED-Net), which is composed of PCAnet and kernel principal component analysis…

计算机视觉与模式识别 · 计算机科学 2019-03-29 Tian Wang , Zichen Miao , Yuxin Chen , Yi Zhou , Guangcun Shan , Hichem Snoussi