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This study compares sequential image classification methods based on recurrent neural networks. We describe methods based on recurrent neural networks such as Long-Short-Term memory(LSTM), bidirectional Long-Short-Term memory(BiLSTM)…

图像与视频处理 · 电气工程与系统科学 2022-09-26 Gajraj Kuldeep

Distinguishing active from passive dynamics is a fundamental challenge in understanding the motion of living cells and other active matter systems. Here, we introduce a framework that combines physical modeling, analytical theory, and…

Channel estimation is of great importance in realizing practical intelligent reflecting surface-assisted multi-user communication (IRS-MC) systems. However, different from traditional communication systems, an IRS-MC system generally…

信号处理 · 电气工程与系统科学 2020-12-02 Chang Liu , Xuemeng Liu , Derrick Wing Kwan Ng , Jinhong Yuan

The intrinsic dynamics and event-driven nature of spiking neural networks (SNNs) make them excel in processing temporal information by naturally utilizing embedded time sequences as time steps. Recent studies adopting this approach have…

机器学习 · 计算机科学 2024-12-18 Jiaqi Wang , Liutao Yu , Liwei Huang , Chenlin Zhou , Han Zhang , Zhenxi Song , Min Zhang , Zhengyu Ma , Zhiguo Zhang

In speech enhancement (SE), phase estimation is important for perceptual quality, so many methods take clean speech's complex short-time Fourier transform (STFT) spectrum or the complex ideal ratio mask (cIRM) as the learning target. To…

音频与语音处理 · 电气工程与系统科学 2023-10-12 Yuewei Zhang , Huanbin Zou , Jie Zhu

Early and reliable detection of heart murmurs is essential for the timely diagnosis of cardiovascular diseases, yet traditional auscultation remains subjective and dependent on expert interpretation. This work investigates artificial…

信号处理 · 电气工程与系统科学 2025-11-04 Andrea De Simone , Noemi Giordano , Silvia Seoni , Kristen M. Meiburger , Fabrizio Riente

Speech emotion recognition is a challenging task and heavily depends on hand-engineered acoustic features, which are typically crafted to echo human perception of speech signals. However, a filter bank that is designed from perceptual…

声音 · 计算机科学 2020-07-29 Siddique Latif , Rajib Rana , Sara Khalifa , Raja Jurdak , Julien Epps

We present the results of the comparative analysis of the performance versus complexity for several types of artificial neural networks (NNs) used for nonlinear channel equalization in coherent optical communication systems. The comparison…

Recurrent Neural Networks (RNNs) and their variants, such as Long-Short Term Memory (LSTM) networks, and Gated Recurrent Unit (GRU) networks, have achieved promising performance in sequential data modeling. The hidden layers in RNNs can be…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Yu Pan , Jing Xu , Maolin Wang , Jinmian Ye , Fei Wang , Kun Bai , Zenglin Xu

As performance of dedicated facilities continually improved, massive pulsar candidates are being received, which makes selecting valuable pulsar signals from candidates challenging. In this paper, we designed a deep convolutional neural…

天体物理仪器与方法 · 物理学 2019-09-25 Yuanchao Wang , Mingtao Li , Zhichen Pan , Jianhua Zheng

We study noisy calcium imaging data, with a focus on the classification of spike traces. As raw traces obscure the true temporal structure of neuron's activity, we performed a tuned filtering of the calcium concentration using two methods:…

神经元与认知 · 定量生物学 2024-09-17 Arianna Burzacchi , Nicoletta D'Angelo , David Payares-Garcia , Jorge Mateu

With the popularity of Internet of Things (IoT), edge computing and cloud computing, more and more stream analytics applications are being developed including real-time trend prediction and object detection on top of IoT sensing data. One…

分布式、并行与集群计算 · 计算机科学 2022-08-16 Xin Wang , Azim Khan , Jianwu Wang , Aryya Gangopadhyay , Carl E. Busart , Jade Freeman

This paper proposes a machine learning-assisted channel estimation approach for massive MIMO systems, leveraging DNNs to outperform traditional LS and MMSE methods. In 5G and beyond, accurate channel estimation mitigates pilot contamination…

信号处理 · 电气工程与系统科学 2025-10-16 Haoran He

Fundamental frequency is one of the most important parameters of human speech, of importance for the classification of accent, gender, speaking styles, speaker identification, age, among others. The proper detection of this parameter…

声音 · 计算机科学 2019-11-13 Marvin Coto-Jimenez

We propose a novel method that combines a convolutional neural network (CNN) with a long short-term memory (LSTM) mechanism for accurate prediction of intracranial hemorrhage on computed tomography (CT) scans. The CNN plays the role of a…

计算机视觉与模式识别 · 计算机科学 2020-06-29 Nhan T. Nguyen , Dat Q. Tran , Nghia T. Nguyen , Ha Q. Nguyen

We present a method for efficiently searching long-duration gravitational wave signals from compact binary coalescences (CBCs). The approach exploits the smooth frequency-domain behavior of ratios between neighboring waveform templates. The…

广义相对论与量子宇宙学 · 物理学 2026-03-16 Yasuhiro Murakami , Tathagata Ghosh , Soichiro Morisaki

With the popularity of social networks, and e-commerce websites, sentiment analysis has become a more active area of research in the past few years. On a high level, sentiment analysis tries to understand the public opinion about a specific…

计算与语言 · 计算机科学 2019-04-14 Shervin Minaee , Elham Azimi , AmirAli Abdolrashidi

Recent two-stream deep Convolutional Neural Networks (ConvNets) have made significant progress in recognizing human actions in videos. Despite their success, methods extending the basic two-stream ConvNet have not systematically explored…

计算机视觉与模式识别 · 计算机科学 2017-04-03 Chih-Yao Ma , Min-Hung Chen , Zsolt Kira , Ghassan AlRegib

The automated Interstitial Lung Diseases (ILDs) classification technique is essential for assisting clinicians during the diagnosis process. Detecting and classifying ILDs patterns is a challenging problem. This paper introduces an…

图像与视频处理 · 电气工程与系统科学 2022-04-22 Masum Shah Junayed , Afsana Ahsan Jeny , Md Baharul Islam , Ikhtiar Ahmed , A F M Shahen Shah

Deep Convolutional Neural Networks (CNNs) are more powerful than Deep Neural Networks (DNN), as they are able to better reduce spectral variation in the input signal. This has also been confirmed experimentally, with CNNs showing…