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Focal plane wavefront sensing (FPWFS) is appealing for several reasons. Notably, it offers high sensitivity and does not suffer from non-common path aberrations (NCPA). The price to pay is a high computational burden and the need for…

Instrumentation and Methods for Astrophysics · Physics 2021-07-14 G. Orban de Xivry , M. Quesnel , P. -O. Vanberg , O. Absil , G. Louppe

Analog photonic computing has been proposed and tested in recent years as an alternative approach for data recovery in fiber transmission systems. Photonic reservoir computing, performing nonlinear transformations of the transmitted signals…

Signal Processing · Electrical Eng. & Systems 2021-11-01 Irene Estébanez , Shi Li , Janek Schwind , Ingo Fischer , Stephan Pachnicke , Apostolos Argyris

Fourier neural operators (FNOs) are a recently introduced neural network architecture for learning solution operators of partial differential equations (PDEs), which have been shown to perform significantly better than comparable deep…

Ultra-low-precision inference can sharply reduce memory and latency but often degrades accuracy and relies on specialized hardware. We present SONIQ, a system-optimized, noise-injected quantization framework that learns per-channel mixed…

Hardware Architecture · Computer Science 2025-11-11 Cyrus Zhou , Pedro Savarese , Zack Hassman , Vaughn Richard , Michael DiBrino , Michael Maire , Yanjing Li

In this paper, we propose a scheme that utilizes the optimization ability of artificial intelligence (AI) for optimal transceiver-joint equalization in compensating for the optical filtering impairments caused by wavelength selective…

Signal Processing · Electrical Eng. & Systems 2021-09-29 Zhiqun Zhai , Hexun Jiang , Mengfan Fu , Lei Liu , Lilin Yi , Weisheng Hu , Qunbi Zhuge

In this paper, we propose an end-to-end speech recognition network based on Nvidia's previous QuartzNet model. We try to promote the model performance, and design three components: (1) Multi-Resolution Convolution Module, replaces the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-30 Jian Luo , Jianzong Wang , Ning Cheng , Guilin Jiang , Jing Xiao

Historically employed spectroscopic architectures used for large field of view mapping spectroscopy in millimetere and sub-millimetre astronomy suffer from significant drawbacks. On-chip filterbank spectrometers are a promising technology…

Instrumentation and Methods for Astrophysics · Physics 2026-04-14 Chris S. Benson , Peter S. Barry , Patrick Ashworth , Harry Gordon-Moys , Kirit S. Karkare , Izaak Morris , Gethin Robson

In a multiple-input multiple-output frequency-division duplexing (MIMO-FDD) system, the user equipment (UE) sends the downlink channel state information (CSI) to the base station to report link status. Due to the complexity of MIMO systems,…

Networking and Internet Architecture · Computer Science 2022-07-19 Mostafa Hussien , Kim Khoa Nguyen , Mohamed Cheriet

Designing an efficient and effective neural network has remained a prominent topic in computer vision research. Depthwise onvolution (DWConv) is widely used in efficient CNNs or ViTs, but it needs frequent memory access during inference,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Haiduo Huang , Fuwei Yang , Dong Li , Ji Liu , Lu Tian , Jinzhang Peng , Pengju Ren , Emad Barsoum

In this paper, we propose a multi-task convolutional neural network (CNN) architecture optimized for a low power automotive grade SoC. We introduce a network based on a unified architecture where the encoder is shared among the two tasks…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Thomas Boulay , Said El-Hachimi , Mani Kumar Surisetti , Pullarao Maddu , Saranya Kandan

Compressing images at extremely low bitrates (< 0.1 bpp) has always been a challenging task since the quality of reconstruction significantly reduces due to the strong imposed constraint on the number of bits allocated for the compressed…

Image and Video Processing · Electrical Eng. & Systems 2020-06-16 Suraj Kiran Raman , Aditya Ramesh , Vijayakrishna Naganoor , Shubham Dash , Giridharan Kumaravelu , Honglak Lee

Convolutional Neural Networks (CNNs) are widely used in deep learning applications, e.g. visual systems, robotics etc. However, existing software solutions are not efficient. Therefore, many hardware accelerators have been proposed…

Machine Learning · Computer Science 2021-09-08 Sasindu Wijeratne , Sandaruwan Jayaweera , Mahesh Dananjaya , Ajith Pasqual

Normalization techniques have become a basic component in modern convolutional neural networks (ConvNets). In particular, many recent works demonstrate that promoting the orthogonality of the weights helps train deep models and improve…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Sheng Liu , Xiao Li , Yuexiang Zhai , Chong You , Zhihui Zhu , Carlos Fernandez-Granda , Qing Qu

This paper presents an online method for joint channel estimation and decoding in massive MIMO-OFDM systems using complex-valued neural networks (CVNNs). The study evaluates the performance of various CVNNs, such as the complex-valued…

Two novel detection strategies for nonlinear Fourier transform-based transmission schemes are proposed. We show, through numerical simulations, that both strategies achieve a good performance improvement (up to 3 dB and 5 dB) with respect…

Information Theory · Computer Science 2018-05-08 Stella Civelli , Enrico Forestieri , Marco Secondini

Convolutional Neural Networks (CNNs) are crucial in various applications, but their deployment on resource-constrained edge devices poses challenges. This study presents the Sum-of-Products (SOP) units for convolution, which utilize…

Machine Learning · Computer Science 2025-05-14 Muhammad Sohail Ibrahim , Muhammad Usman , Jeong-A Lee

It is highly desirable that speech enhancement algorithms can achieve good performance while keeping low latency for many applications, such as digital hearing aids, acoustically transparent hearing devices, and public address systems. To…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-01 Chengshi Zheng , Wenzhe Liu , Andong Li , Yuxuan Ke , Xiaodong Li

The precise analysis and accurate measurement of harmonic provides a reliable scientific industrial application. However, the high-performance DSP processor is the important method of electrical harmonic analysis. Hence, in this research…

Signal Processing · Electrical Eng. & Systems 2018-06-13 Rozita Teymourzadeh , Memtode Jim , Mok Vee hong

Equivariant Transformers such as Equiformer have demonstrated the efficacy of applying Transformers to the domain of 3D atomistic systems. However, they are limited to small degrees of equivariant representations due to their computational…

Machine Learning · Computer Science 2024-03-08 Yi-Lun Liao , Brandon Wood , Abhishek Das , Tess Smidt

Precise Tooth Cone Beam Computed Tomography (CBCT) image segmentation is crucial for orthodontic treatment planning. In this paper, we propose FDNet, a Feature Decoupled Segmentation Network, to excel in the face of the variable dental…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Xiang Feng , Chengkai Wang , Chengyu Wu , Yunxiang Li , Yongbo He , Shuai Wang , Yaiqi Wang
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