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Neural image compression methods have seen increasingly strong performance in recent years. However, they suffer orders of magnitude higher computational complexity compared to traditional codecs, which hinders their real-world deployment.…

图像与视频处理 · 电气工程与系统科学 2023-11-13 Yibo Yang , Stephan Mandt

Fully parallel neural network accelerators on field-programmable gate arrays (FPGAs) offer high throughput for latency-critical applications but face hardware resource constraints. Weightless neural networks (WNNs) efficiently replace…

硬件体系结构 · 计算机科学 2025-12-18 Michael Mecik , Martin Kumm

This paper addresses compressed sensing of linear time-varying (LTV) wireless propagation links under the assumption of double sparsity i.e., sparsity in both the delay and Doppler domains, using Affine Frequency Division Multiplexing…

信息论 · 计算机科学 2024-07-04 Wissal Benzine , Ali Bemani , Nassar Ksairi , Dirk Slock

We develop a novel deep contour detection algorithm with a top-down fully convolutional encoder-decoder network. Our proposed method, named TD-CEDN, solves two important issues in this low-level vision problem: (1) learning multi-scale and…

计算机视觉与模式识别 · 计算机科学 2017-07-13 Yahui Liu , Jian Yao , Li Li , Xiaohu Lu , Jing Han

Filter bank-based multicarrier (FBMC) systems have attracted increasing attention recently in view of their many advantages over the classical cyclic prefix (CP)-based orthogonal frequency division multiplexing (CP-OFDM) modulation.…

信号处理 · 电气工程与系统科学 2020-07-15 Eleftherios Kofidis

Channel Coding has been one of the central disciplines driving the success stories of current generation LTE systems and beyond. In particular, turbo codes are mostly used for cellular and other applications where a reliable data transfer…

信号处理 · 电气工程与系统科学 2018-11-30 Raja Sattiraju , Andreas Weinand , Hans D. Schotten

In sound event detection (SED), convolutional neural networks (CNNs) are widely employed to extract time-frequency (TF) patterns from spectrograms. However, the ability of CNNs to recognize different sound events is limited by their…

声音 · 计算机科学 2024-10-30 Tao Song , WenWen Zhang

In this paper, we propose a sub-Nyquist sampling (SNS) orthogonal frequency-division multiplexing (OFDM) radar system capable of reducing the analog-to-digital converter (ADC) sampling rate in OFDM radar without any additional manipulations…

信号处理 · 电气工程与系统科学 2023-12-07 Kawon Han , SeongHyeon Kang , Songcheol Hong

Low-resolution analog-to-digital converters (ADCs) have been considered as a practical and promising solution for reducing cost and power consumption in massive Multiple-Input-Multiple-Output (MIMO) systems. Unfortunately, low-resolution…

信号处理 · 电气工程与系统科学 2020-11-09 Ly V. Nguyen , Duy H. N. Nguyen , A. Lee Swindlehurst

We explore the application of very deep Transformer models for Neural Machine Translation (NMT). Using a simple yet effective initialization technique that stabilizes training, we show that it is feasible to build standard Transformer-based…

计算与语言 · 计算机科学 2020-10-16 Xiaodong Liu , Kevin Duh , Liyuan Liu , Jianfeng Gao

A novel unsupervised deep learning method is developed to identify individual-specific large scale brain functional networks (FNs) from resting-state fMRI (rsfMRI) in an end-to-end learning fashion. Our method leverages deep Encoder-Decoder…

计算机视觉与模式识别 · 计算机科学 2020-12-14 Hongming Li , Yong Fan

The ubiquitous time-delay estimation (TDE) problem becomes nontrivial when sensors are non-co-located and communication between them is limited. Building on the recently proposed "extremum encoding" compression-estimation scheme, we address…

信号处理 · 电气工程与系统科学 2024-12-25 Amir Weiss , Yuval Kochman , Gregory W. Wornell

A training-based channel estimation algorithm is proposed for the faster-than-Nyquist PDM-mQAM (m = 4, 16, 64) systems with Tomlinson-Harashima precoding (THP). This is robust to the convergence failure phenomenon suffered by the existing…

信号处理 · 电气工程与系统科学 2018-01-08 Deyuan Chang , Oluyemi Omomukuyo , Xiang Lin , Shu Zhang , Octavia A. Dobre , Ramachandran Venkatesan

Reservoir computing (RC) is a special recurrent neural network which consists of a fixed high dimensional feature mapping and trained readout weights. In this paper, we introduce a new RC structure for multiple-input, multiple-output…

信号处理 · 电气工程与系统科学 2020-11-30 Zhou Zhou , Lingjia Liu , Hao-Hsuan Chang

Density reconstruction from X-ray projections is an important problem in radiography with key applications in scientific and industrial X-ray computed tomography (CT). Often, such projections are corrupted by unknown sources of noise and…

图像与视频处理 · 电气工程与系统科学 2026-02-26 Siddhant Gautam , Marc L. Klasky , Balasubramanya T. Nadiga , Trevor Wilcox , Gary Salazar , Saiprasad Ravishankar

Channel estimation is of crucial importance in massive multiple-input multiple-output (m-MIMO) visible light communication (VLC) systems. In order to tackle this problem, a fast and flexible denoising convolutional neural network…

信号处理 · 电气工程与系统科学 2019-11-19 Zhipeng Gao , Yuhao Wang , Xiaodong Liu , Fuhui Zhou , Kai-Kit Wong

In dense retrieval, deep encoders provide embeddings for both inputs and targets, and the softmax function is used to parameterize a distribution over a large number of candidate targets (e.g., textual passages for information retrieval).…

机器学习 · 计算机科学 2024-09-04 Nicholas Monath , Will Grathwohl , Michael Boratko , Rob Fergus , Andrew McCallum , Manzil Zaheer

Feedback delay networks (FDNs) are recursive filters, which are widely used for artificial reverberation and decorrelation. One central challenge in the design of FDNs is the generation of sufficient echo density in the impulse response…

声音 · 计算机科学 2020-06-09 Sebastian J. Schlecht , Emanuël A. P. Habets

We provide a new generation solution to the fundamental old problem of a doubly selective fading channel estimation for orthogonal frequency division multiplexing (OFDM) systems. For systems based on OFDM, we propose a deep learning…

信号处理 · 电气工程与系统科学 2022-06-16 Tilahun M. Getu , Nada T. Golmie , David W. Griffith

This paper presents two methods for approximating the performance of coded multicarrier systems operating over frequency-selective, quasi-static fading channels with non-ideal interleaving. The first method is based on approximating the…

信息论 · 计算机科学 2007-07-13 C. Snow , L. Lampe , R. Schober