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General-purpose multiprocessors (as, in our case, Intel IvyBridge and Intel Haswell) increasingly add GPU computing power to the former multicore architectures. When used for embedded applications (for us, Synthetic aperture radar) with…

数学软件 · 计算机科学 2015-06-01 Mohamed Amine Bergach , Emilien Kofman , Robert de Simone , Serge Tissot , Michel Syska

Image stacks provide invaluable 3D information in various biological and pathological imaging applications. Fourier ptychographic microscopy (FPM) enables reconstructing high-resolution, wide field-of-view image stacks without z-stack…

In this paper, a real-time 105-channel data acquisition platform based on FPGA for imaging will be implemented for mm-wave imaging systems. PC platform is also realized for imaging results monitoring purpose. Mm-wave imaging expands our…

硬件体系结构 · 计算机科学 2017-02-09 Chengkai Guo , Jason Y. Du

Traditional optical imaging faces an unavoidable trade-off between resolution and depth of field (DOF). To increase resolution, high numerical apertures (NA) are needed, but the associated large angular uncertainty results in a limited…

Study of general purpose computation by GPU (Graphics Processing Unit) can improve the image processing capability of micro-computer system. This paper studies the parallelism of the different stages of decimation in time radix 2 FFT…

数学软件 · 计算机科学 2015-06-01 Feifei Shen , Zhenjian Song , Congrui Wu , Jiaqi Geng , Qingyun Wang

Correlation plenoptic imaging (CPI) is emerging as a promising approach to light-field imaging (LFI), a technique enabling simultaneous measurement of light intensity distribution and propagation direction from a scene. LFI allows…

光学 · 物理学 2024-06-21 Gianlorenzo Massaro

As more the communications and signal process we use in the today life the more we intend to develop more reliable devices which gives fewer errors due to transient fault, So we use a technique called 5-modular redundancy to generate fewer…

信号处理 · 电气工程与系统科学 2023-04-18 Sathvik Reddy O , Sakthivel SM

Fourier ptychographic (FP) microscope is a coherent imaging method that can synthesize an image with a higher bandwidth using multiple low-bandwidth images captured at different spatial frequency regions. The method's demand for multiple…

光学 · 物理学 2016-03-25 Jaebum Chung , Hangwen Lu , Xiaoze Ou , Haojiang Zhou , Changhuei Yang

Fluorescent imaging plays a critical role in a myriad of scientific endeavors, particularly in the biological sciences. Three-dimensional imaging of fluorescent intensity often requires serial data acquisition, that is voxel-by-voxel…

光学 · 物理学 2015-10-27 Jeffrey J. Field , David G. Winters , Randy A. Bartels

In modern digital filter chip design, efficient resource utilization is a hot topic. Due to the linear phase characteristics of FIR filters, a pulsed fully parallel structure can be applied to address the problem. To further reduce hardware…

硬件体系结构 · 计算机科学 2023-11-27 Mengwei Hu , Zhengxiong Li , Xianyang Jiang

In modern low-power embedded platforms, floating-point (FP) operations emerge as a major contributor to the energy consumption of compute-intensive applications with large dynamic range. Experimental evidence shows that 50% of the energy…

硬件体系结构 · 计算机科学 2017-11-29 Giuseppe Tagliavini , Stefan Mach , Davide Rossi , Andrea Marongiu , Luca Benini

Implicit neural representations such as Neural Radiance Field (NeRF) have focused mainly on modeling static objects captured under multi-view settings where real-time rendering can be achieved with smart data structures, e.g., PlenOctree.…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Liao Wang , Jiakai Zhang , Xinhang Liu , Fuqiang Zhao , Yanshun Zhang , Yingliang Zhang , Minye Wu , Lan Xu , Jingyi Yu

Neuromorphic image sensors draw inspiration from the biological retina to implement visual computations in electronic hardware. Gain control in phototransduction and temporal differentiation at the first retinal synapse inspired the first…

图像与视频处理 · 电气工程与系统科学 2022-08-29 Zihan Yin , Md Abdullah-Al Kaiser , Lamine Ousmane Camara , Mark Camarena , Maryam Parsa , Ajey Jacob , Gregory Schwartz , Akhilesh Jaiswal

We present a proof-of-concept end-to-end system for computational extended depth of field (EDOF) imaging. The acquisition is performed through a phase-coded aperture implemented by placing a thin wavelength-dependent optical mask inside the…

计算机视觉与模式识别 · 计算机科学 2016-08-04 Tal Remez , Or Litany , Shachar Yoseff , Harel Haim , Alex Bronstein

A technique for the enhancement of point targets in clutter is described. The local 3-D spectrum at each pixel is estimated recursively. An optical flow-field for the textured background is then generated using the 3-D autocorrelation…

计算机视觉与模式识别 · 计算机科学 2015-08-25 Hugh L. Kennedy

Point cloud processing is a computational bottleneck in autonomous driving systems, especially for real-time applications, while energy efficiency remains a critical system constraint. This work presents FPPS, an FPGA-accelerated point…

硬件体系结构 · 计算机科学 2026-03-02 Xiaofeng Zhou , Linfeng Du , Hanwei Fan , Wei Zhang

We report the first computational super-resolved, multi-camera integral imaging at long-wave infrared (LWIR) wavelengths. A synchronized array of FLIR Lepton cameras was assembled, and computational super-resolution and integral-imaging…

光学 · 物理学 2017-08-14 Miguel A. Preciado , Guillem Carles , Andrew R. Harvey

FFT (fast Fourier transform) plays a very important role in many fields, such as digital signal processing, digital image processing and so on. However, in application, FFT becomes a factor of affecting the processing efficiency, especially…

分布式、并行与集群计算 · 计算机科学 2017-07-25 Fan Zhang , Chen Hu , Qiang Yin , Wei Hu

The ability to attend to salient regions of a visual scene is an innate and necessary preprocessing step for both biological and engineered systems performing high-level visual tasks (e.g. object detection, tracking, and classification).…

神经与进化计算 · 计算机科学 2021-06-15 Jamal Lottier Molin , Chetan Singh Thakur , Ralph Etienne-Cummings , Ernst Niebur

Pansharpening aims to generate high-resolution multispectral (HRMS) images by fusing low-resolution multispectral (LRMS) and high-resolution panchromatic (PAN) images while preserving both spectral and spatial information. Although deep…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Zhiqi Yang , Jin-Liang Xiao , Shan Yin , Liang-Jian Deng , Gemine Vivone