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For dynamic visible light communication (VLC) systems, received optical power fluctuates largely due to the fast movement of VLC terminals. Such fluctuations will cause possible signal clipping and quantization noise at the…

Signal Processing · Electrical Eng. & Systems 2020-08-03 Yingwen Zhang , Xianqing Jin , Weibin Jiang , Xinmin Chen , Zhengyuan Xu

In this paper, we propose a novel adaptive technique that uses an attention-based gated scaling (AGS) scheme to improve deep feature learning for connectionist temporal classification (CTC) acoustic modeling. In AGS, the outputs of each…

Audio and Speech Processing · Electrical Eng. & Systems 2020-01-01 Fenglin Ding , Wu Guo , Lirong Dai , Jun Du

To stabilize the training of Large Language Models (LLMs), gradient clipping is a nearly ubiquitous heuristic used to alleviate exploding gradients. However, traditional global norm clipping erroneously presupposes gradient homogeneity…

Machine Learning · Computer Science 2026-01-21 Zhiyuan Li , Yuan Wu , Yi Chang

Loss spikes remain a persistent obstacle in large-scale language model pretraining. While previous research has attempted to identify the root cause of loss spikes by investigating individual factors, we observe that, in practice, such…

Machine Learning · Computer Science 2026-02-24 Guoxia Wang , Shuai Li , Congliang Chen , Jinle Zeng , Jiabin Yang , Dianhai Yu , Yanjun Ma , Li Shen

Spiking silicon cochlea sensors encode sound as an asynchronous stream of spikes from different frequency channels. The lack of labeled training datasets for spiking cochleas makes it difficult to train deep neural networks on the outputs…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-08 Shu Wang , Yuhuang Hu , Shih-Chii Liu

Spiking neural networks (SNNs) are emerging as an energy-efficient alternative to traditional artificial neural networks (ANNs) due to their unique spike-based event-driven nature. Coding is crucial in SNNs as it converts external input…

Neural and Evolutionary Computing · Computer Science 2024-06-05 Xuerui Qiu , Rui-Jie Zhu , Yuhong Chou , Zhaorui Wang , Liang-jian Deng , Guoqi Li

One of the frontier issues that severely hamper the development of automatic snore sound classification (ASSC) associates to the lack of sufficient supervised training data. To cope with this problem, we propose a novel data augmentation…

Machine Learning · Computer Science 2019-04-01 Zixing Zhang , Jing Han , Kun Qian , Christoph Janott , Yanan Guo , Bjoern Schuller

Localizing acoustic sound sources in the ocean is a challenging task due to the complex and dynamic nature of the environment. Factors such as high background noise, irregular underwater geometries, and varying acoustic properties make…

Sound · Computer Science 2025-06-24 Quoc Thinh Vo , Joe Woods , Priontu Chowdhury , David K. Han

In this paper we propose a co-design of the secondary frequency regulation in systems of AC microgrids and its cyber securty solutions. We term the secondary frequency regulator a Micro-Automatic Generation Control (Micro-AGC) for…

Systems and Control · Electrical Eng. & Systems 2023-04-27 Tong Huang , Dan Wu , Marija Ilic

The gain of neurons' responses in the auditory cortex is sensitive to contrast changes in the stimulus within a spectrotemporal range similar to their receptive fields, which can be interpreted to represent the tuning of the input to a…

Neurons and Cognition · Quantitative Biology 2013-10-23 Linus J. Schumacher , Geoff K. Nicholls

Interpretation of electrocardiography (ECG) signals is required for diagnosing cardiac arrhythmia. Recently, machine learning techniques have been applied for automated computer-aided diagnosis. Machine learning tasks can be divided into…

This paper describes a receiver that uses an innovative method to predict, according to history of receiver operating metrics (packet lost/well received), the optimum automatic gain control (AGC) index or most appropriate variable gain…

Networking and Internet Architecture · Computer Science 2024-04-24 Morgane Joly , Fabian Rivière , Éric Renault

Learning Classifier Systems (LCS) are population-based reinforcement learners that were originally designed to model various cognitive phenomena. This paper presents an explicitly cognitive LCS by using spiking neural networks as…

Neural and Evolutionary Computing · Computer Science 2015-09-01 David Howard , Larry Bull , Pier-Luca Lanzi

The rapid evolution of generative AI, from GANs to modern diffusion models, has resulted in increasingly subtle discriminative clues. These fine-grained signals are often overshadowed by dominant, high-fidelity image content (e.g., the main…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Xiaoyu Zhou , Jianwei Fei , Peipeng Yu , Jingchang Xie , Chong Cheng , Zhihua Xia

Spiking Neural Networks (SNNs) have been recently integrated into Transformer architectures due to their potential to reduce computational demands and to improve power efficiency. Yet, the implementation of the attention mechanism using…

Hardware Architecture · Computer Science 2024-11-12 Zihang Song , Prabodh Katti , Osvaldo Simeone , Bipin Rajendran

Previous research has shown that constraining the gradient of loss function with respect to model-predicted probabilities can enhance the model robustness against noisy labels. These methods typically specify a fixed optimal threshold for…

Machine Learning · Computer Science 2024-12-24 Xichen Ye , Yifan Wu , Weizhong Zhang , Xiaoqiang Li , Yifan Chen , Cheng Jin

Homeostatic plasticity is a stabilizing mechanism that allows neural systems to maintain their activity around a functional operating point. This is an extremely useful mechanism for neuromorphic computing systems, as it can be used to…

Emerging Technologies · Computer Science 2019-08-21 Ning Qiao , Giacomo Indiveri , Chiara Bartolozzi

This paper presents an automated method for optimizing parameters in analog/high-frequency circuits, aiming to maximize performance parameters of a radio-frequency (RF) receiver. The design target includes a reduction of power consumption…

Neural and Evolutionary Computing · Computer Science 2024-03-28 Mingi Kwon , Yeonjun Lee , Ickhyun Song

Superconducting quantum computers (SQC) can solve some specific problems which are deeply believed to be intractable for classical computers. The control and measurement of qubits can't go on without the synchronous operation of…

Signal Processing · Electrical Eng. & Systems 2018-06-12 Li-Hua Sun , Fu-Tian Liang , Jin Lin , Cheng Guo , Yu Xu , Sheng-Kai Liao , Cheng-Zhi Peng

Generating long sequences with structural coherence remains a fundamental challenge for autoregressive models across sequential generation tasks. In symbolic music generation, this challenge is particularly pronounced, as existing methods…

Sound · Computer Science 2026-04-08 Boyu Cao , Lekai Qian , Dehan Li , Haoyu Gu , Mingda Xu , Qi Liu
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