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Light-field cameras play a vital role for rich 3-D information retrieval in narrow range depth sensing applications. The key obstacle in composing light-fields from exposures taken by a plenoptic camera is to computationally calibrate,…

Image and Video Processing · Electrical Eng. & Systems 2021-07-27 Christopher Hahne , Amar Aggoun

In this article we study the suitability of dierent computational accelerators for the task of real-time data processing. The algorithm used for comparison is the polyphase filter, a standard tool in signal processing and a well established…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-11-14 Karel Adámek , Jan Novotný , Wes Armour

CPI is a novel imaging modality capable of addressing the intrinsic limitations of conventional plenoptic imaging - namely, the resolution loss and the sacrificed change of perspective, - while guaranteeing the typical advantages of…

Transformer architectures show spectacular performance on NLP tasks and have recently also been used for tasks such as image completion or image classification. Here we propose to use a sequential image representation, where each prefix of…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Tim-Oliver Buchholz , Florian Jug

The goal of this paper is to encode a 3D scene into an extremely compact representation from 2D images and to enable its transmittance, decoding and rendering in real-time across various platforms. Despite the progress in NeRFs and Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Jae Yong Lee , Yuqun Wu , Chuhang Zou , Derek Hoiem , Shenlong Wang

Use of edge computing in application of Computer Vision (CV) is an active field of research. Today, most CV applications make use of Convolutional Neural Networks (CNNs) to inference on and interpret video data. These edge devices are…

Image and Video Processing · Electrical Eng. & Systems 2023-12-20 Jonathan Sanderson , Syed Rafay Hasan

Convolutional Neural Networks (CNNs) have been utilised in many image and video processing applications. The convolution operator, also known as a spatial filter, is usually a linear operation, but this linearity compromises essential…

Hardware Architecture · Computer Science 2024-09-10 Nelson Campos , Eran Edirisinghe , Salva Chesnokov , Daniel Larkin

Obtaining highly accurate depth from stereo images in real time has many applications across computer vision and robotics, but in some contexts, upper bounds on power consumption constrain the feasible hardware to embedded platforms such as…

Computer Vision and Pattern Recognition · Computer Science 2019-07-19 Oscar Rahnama , Tommaso Cavallari , Stuart Golodetz , Alessio Tonioni , Thomas Joy , Luigi Di Stefano , Simon Walker , Philip H. S. Torr

Real-time global illumination is key to enabling more dynamic and physically realistic worlds in performance-critical applications such as games or any other applications with real-time constraints.Hardware-accelerated ray tracing in modern…

In this paper, the foundations of neuromorphic computing, spiking neural networks (SNNs) and memristors, are analyzed and discussed. Neuromorphic computing is then applied to FPGA design for digital signal processing (DSP). Finite impulse…

Neural and Evolutionary Computing · Computer Science 2026-01-13 Justin London

In recent years graphical processing units (GPUs) have become a powerful tool in scientific computing. Their potential to speed up highly parallel applications brings the power of high performance computing to a wider range of users.…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-04-26 Uldis Locans , Andreas Adelmann , Andreas Suter , Jannis Fischer , Werner Lustermann , Gunther Dissertori , Qiulin Wang

Intraoperative optical imaging is essential for surgical precision and patient safety, but current systems present anatomical and fluorescence information separately, causing delays and increasing cognitive load. A unified system for…

Medical Physics · Physics 2025-09-22 Kyriakos Pentarakis , George Kakavelakis , Constantinos Petridis , George Themelis

FPGAs are well established in the signal processing domain, where their fine-grained programmable nature allows the inherent parallelism in these applications to be exploited for enhanced performance. As architectures have evolved, FPGA…

Hardware Architecture · Computer Science 2017-10-18 Abdullah Al-Dujaili , Suhaib A. Fahmy

Efficient and real time segmentation of color images has a variety of importance in many fields of computer vision such as image compression, medical imaging, mapping and autonomous navigation. Being one of the most computationally…

Computer Vision and Pattern Recognition · Computer Science 2017-10-09 Roopal Nahar , Akanksha Baranwal , K. Madhava Krishna

Photoacoustic (PA) imaging has been widely applied in both preclinical and clinical applications. With a significantly increasing number of data acquisition channels, fast and high-quality image reconstruction for real-time PA imaging is an…

Medical Physics · Physics 2024-08-20 Zijian Gao , Yuting Shen , Daohuai Jiang , Fengyu Liu , Feng Gao , Fei Gao

Fast Fourier Transform (FFT) is an essential tool in scientific and engineering computation. The increasing demand for mixed-precision FFT has made it possible to utilize half-precision floating-point (FP16) arithmetic for faster speed and…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-26 Binrui Li , Shenggan Cheng , James Lin

The integral image, an intermediate image representation, has found extensive use in multi-scale local feature detection algorithms, such as Speeded-Up Robust Features (SURF), allowing fast computation of rectangular features at constant…

Computer Vision and Pattern Recognition · Computer Science 2015-10-20 Shoaib Ehsan , Adrian F. Clark , Naveed ur Rehman , Klaus D. McDonald-Maier

Portrait Fidelity Generation is a prominent research area in generative models.Current methods face challenges in generating full-body images with low-resolution faces, especially in multi-ID photo phenomenon.To tackle these issues, we…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Zhaoli Deng , Fanyi Wang , Junkang Zhang , Fan Chen , Meng Zhang , Wendong Zhang , Wen Liu , Zhenpeng Mi

AI acceleration has been dominated by GPUs, but the growing need for lower latency, energy efficiency, and fine-grained hardware control exposes the limits of fixed architectures. In this context, Field-Programmable Gate Arrays (FPGAs)…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-18 Arturo Urías Jiménez

We present a framing integration ultrafast photography (FIP), which integrates the framing structure, codes a dynamic event by an inversed 4f system (I4F) and decodes regionally with high spatial resolution. In the experiment about…

Optics · Physics 2021-10-06 Qifan Zhu , Yi Cai , Xuanke Zeng , Hu Long , Liangwei Zeng , Yongle Zhu , Xiaowei Lu , Jingzhen Li