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In this letter, we propose a new symbol detection method for faster-than-Nyquist signaling (FTNS) systems. Based on frame theory, we formulate a symbol detection problem as a under-determined linear equation on a finite set. The problem is…

信息论 · 计算机科学 2016-12-21 Hampei Sasahara , Kazunori Hayashi , Masaaki Nagahara

Field-Programmable Gate Array (FPGA) accelerators have proven successful in handling latency- and resource-critical deep neural network (DNN) inference tasks. Among the most computationally intensive operations in a neural network (NN) is…

硬件体系结构 · 计算机科学 2024-12-10 Marta Andronic , George A. Constantinides

Lookup table (LUT) has shown its efficacy in low-level vision tasks due to the valuable characteristics of low computational cost and hardware independence. However, recent attempts to address the problem of single image super-resolution…

图像与视频处理 · 电气工程与系统科学 2022-09-16 Cheng Ma , Jingyi Zhang , Jie Zhou , Jiwen Lu

We present a novel method for efficiently producing semi-dense matches across images. Previous detector-free matcher LoFTR has shown remarkable matching capability in handling large-viewpoint change and texture-poor scenarios but suffers…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Yifan Wang , Xingyi He , Sida Peng , Dongli Tan , Xiaowei Zhou

Robust traffic sign detection and recognition (TSDR) is of paramount importance for the successful realization of autonomous vehicle technology. The importance of this task has led to a vast amount of research efforts and many promising…

图像与视频处理 · 电气工程与系统科学 2020-06-05 Sabbir Ahmed , Uday Kamal , Md. Kamrul Hasan

A deep learning assisted sum-product detection algorithm (DL-SPA) for faster-than-Nyquist (FTN) signaling is proposed in this paper. The proposed detection algorithm concatenates a neural network to the variable nodes of the conventional…

信息论 · 计算机科学 2019-07-23 Bryan Liu , Shuangyang Li , Yixuan Xie , Jinhong Yuan

We consider a multi-object detection problem over a sensor network (SNET) with limited range sensors. This problem complements the widely considered decentralized detection problem where all sensors observe the same object. While the…

信息论 · 计算机科学 2016-11-17 Erhan B. Ermis , Venkatesh Saligrama

We consider the detection of binary (antipodal) signals transmitted in a spatially multiplexed fashion over a fading multiple-input multiple-output (MIMO) channel and where the detection is done by means of semidefinite relaxation (SDR).…

信息论 · 计算机科学 2007-07-13 J. Jalden , B. Ottersten

In this letter, we analyze the performance of covert communications under faster-than-Nyquist (FTN) signaling in the Rayleigh block fading channel. Both Bayesian criterion- and Kullback-Leibler (KL) divergence-based covertness constraints…

信息论 · 计算机科学 2022-01-19 Yuan Li , Yuchen Zhang , Wanyu Xiang , Jianquan Wang , Sa Xiao , Liang Chang , Wanbin Tang

In recent years, wireless networks are evolving complex, which upsurges the use of zero-touch artificial intelligence (AI)-driven network automation within the telecommunication industry. In particular, network slicing, the most promising…

网络与互联网体系结构 · 计算机科学 2024-02-21 Swastika Roy , Farhad Rezazadeh , Hatim Chergui , Christos Verikoukis

We propose a framework for the design, optimization, and implementation of Look-Up Tables (LUTs) used to recover noisy, oversampled, quantized signals given a parametric input model. The LUTs emulate the spectral effects of pre-quantization…

信号处理 · 电气工程与系统科学 2025-07-28 Morriel Kasher , Michael Tinston , Predrag Spasojevic

Table detection within document images is a crucial task in document processing, involving the identification and localization of tables. Recent strides in deep learning have substantially improved the accuracy of this task, but it still…

计算机视觉与模式识别 · 计算机科学 2024-05-02 Tahira Shehzadi , Shalini Sarode , Didier Stricker , Muhammad Zeshan Afzal

The detection of semantic relationships between objects represented in an image is one of the fundamental challenges in image interpretation. Neural-Symbolic techniques, such as Logic Tensor Networks (LTNs), allow the combination of…

计算机视觉与模式识别 · 计算机科学 2021-09-21 Francesco Manigrasso , Filomeno Davide Miro , Lia Morra , Fabrizio Lamberti

Few-shot object detection (FSOD) is a challenging problem aimed at detecting novel concepts from few exemplars. Existing approaches to FSOD all assume abundant base labels to adapt to novel objects. This paper studies the new task of…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Phi Vu Tran

As it stands today, the search for extraterrestrial intelligence (SETI) is highly dependent on our ability to detect interesting candidate signals, or technosignatures, in radio telescope observations and distinguish these from human radio…

While semi-supervised learning (SSL) has yielded promising results, the more realistic SSL scenario remains to be explored, in which the unlabeled data exhibits extremely high recognition difficulty, e.g., fine-grained visual classification…

机器学习 · 计算机科学 2023-12-20 Yue Duan , Zhen Zhao , Lei Qi , Luping Zhou , Lei Wang , Yinghuan Shi

We propose the Soft Graph Transformer (SGT), a soft-input-soft-output neural architecture designed for MIMO detection. While Maximum Likelihood (ML) detection achieves optimal accuracy, its exponential complexity makes it infeasible in…

机器学习 · 计算机科学 2026-04-14 Jiadong Hong , Lei Liu , Xinyu Bian , Wenjie Wang , Zhaoyang Zhang

In this paper, we optimize a faster region-based convolutional neural network (FRCNN) for 1-dimensional (1D) signal processing and electromagnetic spectrum sensing. We target a cluttered radio frequency (RF) environment, where multiple RF…

信号处理 · 电气工程与系统科学 2023-02-21 Todd Morehouse , Charles Montes , Ruolin Zhou

The rotation search problem aims to find a 3D rotation that best aligns a given number of point pairs. To induce robustness against outliers for rotation search, prior work considers truncated least-squares (TLS), which is a non-convex…

最优化与控制 · 数学 2022-07-22 Liangzu Peng , Mahyar Fazlyab , René Vidal

In this paper, we consider a fundamental problem in modern digital communications known as multi-input multi-output (MIMO) detection, which can be formulated as a complex quadratic programming problem subject to unit-modulus and discrete…

最优化与控制 · 数学 2018-12-27 Cheng Lu , Ya-Feng Liu , Wei-Qiang Zhang , Shuzhong Zhang