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We present a novel time-domain chromatic dispersion equalizer, implemented on FPGA, eliminating pre-processing and multipliers, achieving up to 54.3% energy savings over 80-1280 km with a simple, low-power design.

Signal Processing · Electrical Eng. & Systems 2024-12-24 Geraldo Gomes , Pedro Freire , Jaroslaw E. Prilepsky , Sergei K. Turitsyn

Power efficiency remains a significant challenge in modern optical fiber communication systems, driving efforts to reduce the computational complexity of digital signal processing, particularly in chromatic dispersion compensation (CDC)…

Signal Processing · Electrical Eng. & Systems 2024-09-17 Geraldo Gomes , Pedro Freire , Jaroslaw E. Prilepsky , Sergei K. Turitsyn

Chromatic dispersion compensation (CDC), implemented in either the time-domain or frequency-domain, is crucial for enhancing power efficiency in the digital signal processing of modern optical fiber communication systems. Developing…

Signal Processing · Electrical Eng. & Systems 2025-03-18 Wenkai Wan , Aiying Yang , Peng Guo , Zhe Zhao , Tianjia Xu , Jinxuan Wu , Zhiheng Liu

This paper investigates the usage of FPGA devices for energy-efficient exact kNN search in high-dimension latent spaces. This work intercepts a relevant trend that tries to support the increasing popularity of learned representations based…

Information Retrieval · Computer Science 2025-10-21 Patrizio Dazzi , William Guglielmo , Franco Maria Nardini , Raffaele Perego , Salvatore Trani

A long-haul transmission of 100 Gb/s without optical chromatic-dispersion (CD) compensation provides a range of benefits regarding cost effectiveness, power budget, and nonlinearity tolerance. The channel memory is largely dominated by CD…

Information Theory · Computer Science 2016-11-29 Jawad Munir , Amine Mezghani , Haris Khawar , Josef A. Nossek

In view of the large amount of calculation and long calculation time of convolutional neural network (CNN), this paper proposes a convolutional neural network hardware accelerator based on field programmable logic gate array (FPGA). First,…

Hardware Architecture · Computer Science 2020-12-08 Xiong Jun

This paper introduces a Transformer-based integrative feature and cost aggregation network designed for dense matching tasks. In the context of dense matching, many works benefit from one of two forms of aggregation: feature aggregation,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Sunghwan Hong , Seokju Cho , Seungryong Kim , Stephen Lin

The growing demand for real-time processing in artificial intelligence applications, particularly those involving Convolutional Neural Networks (CNNs), has highlighted the need for efficient computational solutions. Conventional processors,…

Hardware Architecture · Computer Science 2025-10-16 Angelos Athanasiadis , Nikolaos Tampouratzis , Ioannis Papaefstathiou

This paper presents a hardware architecture that implements the Contrast Maximization (CM) algorithm in Field-Programmable Gate Array (FPGA) resources for event-based vision systems. CM estimates motion parameters by maximizing the contrast…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Michal Filipkowski , Marcin Kowalczyk , Tomasz Kryjak

Due to recent advances in digital technologies, and availability of credible data, an area of artificial intelligence, deep learning, has emerged, and has demonstrated its ability and effectiveness in solving complex learning problems not…

Neural and Evolutionary Computing · Computer Science 2019-01-03 Ahmad Shawahna , Sadiq M. Sait , Aiman El-Maleh

Classification is an important step in machine vision systems; it reveals the true identity of an object using features extracted in pre-processing steps. Practical usage requires the operation to be fast, energy efficient and easy to…

Image and Video Processing · Electrical Eng. & Systems 2022-12-20 Jingbo Zhao , Benny Thörnberg , Yan Shi , Ashkan Hashemi

We present a fast general-purpose algorithm for high-throughput clustering of data "with a two dimensional organization". The algorithm is designed to be implemented with FPGAs or custom electronics. The key feature is a processing time…

Instrumentation and Detectors · Physics 2015-05-14 A. Annovi , M. Beretta

Convolutional Neural Networks (CNNs) are fundamental to deep learning, driving applications across various domains. However, their growing complexity has significantly increased computational demands, necessitating efficient hardware…

Machine Learning · Computer Science 2025-05-21 Junye Jiang , Yaan Zhou , Yuanhao Gong , Haoxuan Yuan , Shuanglong Liu

Deploying periodic inline chromatic dispersion compensation enables reducing the complexity of the digital back propagation (DBP) algorithm. However, compared with nondispersion-managed (NDM) links, dispersion-managed (DM) ones suffer a…

Information Theory · Computer Science 2024-01-25 Kamran Keykhosravi , Marco Secondini , Giuseppe Durisi , Erik Agrell

Developing high-performance and energy-efficient algorithms for maximum matchings is becoming increasingly important in social network analysis, computational sciences, scheduling, and others. In this work, we propose the first maximum…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-29 Maciej Besta , Marc Fischer , Tal Ben-Nun , Dimitri Stanojevic , Johannes De Fine Licht , Torsten Hoefler

Electronic devices primarily aim to offer low power consumption, high speed, and a compact area. The performance of very large-scale integration (VLSI) devices is influenced by arithmetic operations, where multiplication is a crucial…

Hardware Architecture · Computer Science 2025-06-16 Ali Ranjbar , Elham Esmaeili , Roghayeh Rafieisangari , Nabiollah Shiri

We propose Frequency-Guided Attention (FGA), a lightweight upsampling module for single image super-resolution. Conventional upsamplers, such as Sub-Pixel Convolution, are efficient but frequently fail to reconstruct high-frequency details…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Daejune Choi , Youchan No , Jinhyung Lee , Duksu Kim

FPGA is appropriate for fix-point neural networks computing due to high power efficiency and configurability. However, its design must be intensively refined to achieve high performance using limited hardware resources. We present an…

Hardware Architecture · Computer Science 2022-01-03 Qingyang Yi , Heming Sun , Masahiro Fujita

In this work, a serial on-line cluster reconstruction technique based on FPGA technology was developed to compress experiment data and reduce the dead time of data transmission and storage. At the same time, X-ray imaging experiment based…

Instrumentation and Detectors · Physics 2017-03-28 Hui-Yin Wu , He-Run Yang , Wei Zhang , Jian-Jin Zhou , Sheng-Ying Zhao , Chen-Gui Lu , Jun-Wei Zhang , Bi-Tao Hu , Yi Zhang , Wen-Quan Cao

Recent works have shown that depth information can be obtained from Dual-Pixel (DP) sensors. A DP arrangement provides two views in a single shot, thus resembling a stereo image pair with a tiny baseline. However, the different point spread…

Computer Vision and Pattern Recognition · Computer Science 2023-06-14 Sagi Monin , Sagi Katz , Georgios Evangelidis
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