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Learning convolutional neural networks (CNNs) with low bitwidth is challenging because performance may drop significantly after quantization. Prior arts often discretize the network weights by carefully tuning hyper-parameters of…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Chaofan Tao , Rui Lin , Quan Chen , Zhaoyang Zhang , Ping Luo , Ngai Wong

A spiking neural network (SNN) non-linear equalizer model is implemented on the mixed-signal neuromorphic hardware system BrainScaleS-2 and evaluated for an IM/DD link. The BER 2e-3 is achieved with a hardware penalty less than 1 dB,…

信号处理 · 电气工程与系统科学 2022-06-02 Elias Arnold , Georg Böcherer , Eric Müller , Philipp Spilger , Johannes Schemmel , Stefano Calabrò , Maxim Kuschnerov

Packet loss concealment (PLC) is a tool for enhancing speech degradation caused by poor network conditions or underflow/overflow in audio processing pipelines. We propose a real-time recurrent method that leverages previous outputs to…

声音 · 计算机科学 2023-05-15 Viet-Anh Nguyen , Anh H. T. Nguyen , Andy W. H. Khong

Due to the over-fitting problem caused by imbalance samples, there is still room to improve the performance of data-driven automatic modulation classification (AMC) in noisy scenarios. By fully considering the signal characteristics, an AMC…

信号处理 · 电气工程与系统科学 2022-03-08 Hao Shi , Qi Peng , Yiqi Zhuang

In this paper, we propose a new downlink beamforming strategy for mmWave communications using uplink sub-6GHz channel information and a very few mmWave pilots. Specifically, we design a novel dual-input neural network, called FusionNet, to…

信号处理 · 电气工程与系统科学 2020-09-08 Chenghong Bian , Yuwen Yang , Feifei Gao , Geoffrey Ye Li

In this paper, we study the equalization design for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems with insufficient cyclic prefix (CP). In particular, the signal detection performance is…

信息论 · 计算机科学 2020-07-24 Yan Sun , Chao Wang , Huan Cai , Chunming Zhao , Yiqun Wu , Yan Chen

LiDAR panoptic segmentation facilitates an autonomous vehicle to comprehensively understand the surrounding objects and scenes and is required to run in real time. The recent proposal-free methods accelerate the algorithm, but their…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Xiaoyan Li , Gang Zhang , Boyue Wang , Yongli Hu , Baocai Yin

Single-channel speech enhancement algorithms are often used in resource-constrained embedded devices, where low latency and low complexity designs gain more importance. In recent years, researchers have proposed a wide variety of novel…

音频与语音处理 · 电气工程与系统科学 2026-04-29 Nicolás Arrieta Larraza , Niels de Koeijer

This paper proposes a novel foreground linearization scheme for a high-speed CS-DAC. The technique leverages neural networks (NNs) to derive a LUT that maps the inverse of the DAC transfer characteristic onto the input codes. The algorithm…

信号处理 · 电气工程与系统科学 2020-11-24 Daniel Beauchamp , Keith M. Chugg

In this paper, we study the finite element operator network (FEONet), an operator-learning method for parametric problems, originally introduced in J. Y. Lee, S. Ko, and Y. Hong, Finite Element Operator Network for Solving Elliptic-Type…

数值分析 · 数学 2026-01-05 Seungchan Ko , Jiyeon Kim , Dongwook Shin

We demonstrated LUT-assisted CDR and equalization for burst-mode 50-100 Gbit/s bandwidth-limited PON, achieving signal recovery under large 100 ppm frequency offsets and 0.5 UI phase mismatch using reduced 50ns preambles, with 0.3dB…

信号处理 · 电气工程与系统科学 2025-02-17 Yanlu Huang , Liyan Wu , Shangya Han , Kai Jin , Kun Xu , Yanni Ou

This paper proposes low complexity detection for internet of underwater things (IoUT)s communication. The signal is transmitted from the source to the destination using several sensors. To simplify the computational operations at the…

信号处理 · 电气工程与系统科学 2022-03-24 Amer Aljanabi , Osama Alluhaibi , Qasim Z. Ahmed , Fahd A. Khan , Waqas-Bin-Abbas , Pavlos I. Lazaridis

In recent years, decentralized sensor networks have garnered significant attention in the field of state estimation owing to enhanced robustness, scalability, and fault tolerance. Optimal fusion performance can be achieved under fully…

信号处理 · 电气工程与系统科学 2025-08-27 Ruifeng Dong , Ming Wang , Ning Liu , Tong Guo , Jiayi Kang , Xiaojing Shen , Yao Mao

For the first time, recurrent and feedforward neural network-based equalizers for nonlinearity compensation are implemented in an FPGA, with a level of complexity comparable to that of a dispersion equalizer. We demonstrate that the…

We proposed an adaptive signal recovery algorithm with reduced complexity based on the SVM principle for flexible downstream PON. Experimental results indicate a record-high link power budget of 24 dB for bandwidth-limited 100 Gbit/s…

信号处理 · 电气工程与系统科学 2025-02-17 Liyan Wu , Yanlu Huang , Kai Jin , Shangya Han , Kun Xu , Yanni Ou

In deep-sea exploration and surgical robotics scenarios, environmental lighting and device resolution limitations often cause high-frequency feature attenuation. Addressing the differences in frequency band sensitivity between CNNs and the…

计算机视觉与模式识别 · 计算机科学 2025-09-10 Guohao Huo , Ruiting Dai , Jinliang Liu , Ling Shao , Hao Tang

This paper proposes SaleNet - an end-to-end convolutional neural network (CNN) for sustained attention level evaluation using prefrontal electroencephalogram (EEG). A bias-driven pruning method is proposed together with group convolution,…

硬件体系结构 · 计算机科学 2022-09-07 Chao Zhang , Zijian Tang , Taoming Guo , Jiaxin Lei , Jiaxin Xiao , Anhe Wang , Shuo Bai , Milin Zhang

The subject of green AI has been gaining attention within the deep learning community given the recent trend of ever larger and more complex neural network models. Existing solutions for reducing the computational load of training at…

机器学习 · 计算机科学 2025-01-13 Xiaoying Zhi , Varun Babbar , Rundong Liu , Pheobe Sun , Fran Silavong , Ruibo Shi , Sean Moran

Deep Neural Networks (DNNs) face interpretability challenges due to their opaque internal representations. While Feature Map Convergence Evaluation (FMCE) quantifies module-level convergence via Feature Map Convergence Scores (FMCS), it…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Zhibo Zhu , Renyu Huang , Lei He

This paper describes a novel Deep Learning method for the design of IIR parametric filters for automatic audio equalization. A simple and effective neural architecture, named BiasNet, is proposed to determine the IIR equalizer parameters.…

音频与语音处理 · 电气工程与系统科学 2021-10-06 Giovanni Pepe , Leonardo Gabrielli , Stefano Squartini , Carlo Tripodi , Nicolò Strozzi