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We present a method for enhancing the sensitivity of X-ray telescopic observations with imaging polarimeters, with a focus on the gas pixel detectors (GPDs) to be flown on the Imaging X-ray Polarimetry Explorer (IXPE). Our analysis…

Instrumentation and Methods for Astrophysics · Physics 2020-12-02 A. L. Peirson , R. W. Romani , H. L. Marshall , J. F. Steiner , L. Baldini

Neural Radiance Fields (NeRF), an AI-driven approach for 3D view reconstruction, has demonstrated impressive performance, sparking active research across fields. As a result, a range of advanced NeRF models has emerged, leading on-device…

Hardware Architecture · Computer Science 2025-05-13 Seock-Hwan Noh , Banseok Shin , Jeik Choi , Seungpyo Lee , Jaeha Kung , Yeseong Kim

Despite huge success of artificial intelligence, hardware systems running these algorithms consume orders of magnitude higher energy compared to the human brain, mainly due to heavy data movements between the memory unit and the computation…

Emerging Technologies · Computer Science 2018-10-23 Amogh Agrawal , Aayush Ankit , Kaushik Roy

Token compression is crucial for mitigating the quadratic complexity of self-attention mechanisms in Vision Transformers (ViTs), which often involve numerous input tokens. Existing methods, such as ToMe, rely on GPU-inefficient operations…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Simin Huo , Ning Li

We have been developing event driven X-ray Silicon-On-Insulator (SOI) pixel sensors, called "XRPIX", for the next generation of X-ray astronomy satellites. XRPIX is a monolithic active pixel sensor, fabricated using the SOI CMOS technology,…

The increasing computational and memory requirements of Deep Learning (DL) workloads has led to outstanding innovations in hardware architectures. An archetype of such architectures is the novel Versal AI Engine (AIE) by AMD/Xilinx. The AIE…

Hardware Architecture · Computer Science 2023-11-15 Endri Taka , Aman Arora , Kai-Chiang Wu , Diana Marculescu

Binary Neural Networks (BNNs) are increasingly preferred over full-precision Convolutional Neural Networks(CNNs) to reduce the memory and computational requirements of inference processing with minimal accuracy drop. BNNs convert CNN model…

Hardware Architecture · Computer Science 2023-03-21 Sairam Sri Vatsavai , Venkata Sai Praneeth Karempudi , Ishan Thakkar

This paper studies a low-communication algorithm for solving elliptic partial differential equations (PDE's) on high-performance machines, the nested iteration with range decomposition algorithm (NIRD). Previous work has shown that NIRD…

Numerical Analysis · Mathematics 2019-06-26 Wayne Mitchell , Tom Manteuffel

Diffusion-based real-world image super-resolution (Real-ISR) has achieved remarkable perceptual quality; however, directly super-resolving images to 4K remains limited by extreme memory consumption. Consequently, prior methods adopt…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Chengyan Deng , Pengbin Yu , Zhentao Chen , Wei Shen , Kai Zhang , Meng Li , Lunxi Yuan , Xue Zhou , Li Yu

In this paper we develop the first fine-grained rounding error analysis of finite element (FE) cell kernels and assembly. The theory includes mixed-precision implementations and accounts for hardware-acceleration via matrix multiplication…

Numerical Analysis · Mathematics 2024-10-17 M. Croci , G. N. Wells

Multi-task learning has shown considerable promise for improving the performance of deep learning-driven vision systems for the purpose of robotic grasping. However, high architectural and computational complexity can result in poor…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Alexander Wong , Yifan Wu , Saad Abbasi , Saeejith Nair , Yuhao Chen , Mohammad Javad Shafiee

Most investigations into near-memory hardware accelerators for deep neural networks have primarily focused on inference, while the potential of accelerating training has received relatively little attention so far. Based on an in-depth…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-10-18 Fabian Schuiki , Michael Schaffner , Frank K. Gürkaynak , Luca Benini

Resistive Random Access Memory (RRAM) based in-memory computing (IMC) accelerators offer significant performance and energy advantages for deep neural networks (DNNs), but face three major limitations: (1) they support only \textit{static}…

This paper explores the maximization of the harvested power efficiency (HPE) in a modular extremely large multiple-input multiple-output (XL-MIMO) system, which supports energy harvesting (EH) for near-field users. These users are located…

Signal Processing · Electrical Eng. & Systems 2025-06-26 Muhammad Zeeshan Mumtaz , Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou

Head pose estimation (HPE) requires a sophisticated understanding of 3D spatial relationships to generate precise yaw, pitch, and roll angles. Previous HPE models, primarily CNN-based, rely on cropped close-up human head images as inputs…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Yu Tian , Tianqi Shao , Tsukasa Demizu , Xuyang Wu , Hsin-Tai Wu

In this work, we present X-HEEP, an open-source, configurable, and extendible RISC-V platform for ultra-low-power edge applications (TinyAI). X-HEEP features the eXtendible Accelerator InterFace (XAIF), which enables seamless integration of…

Hardware Architecture · Computer Science 2025-08-26 Simone Machetti , Pasquale Davide Schiavone , Giovanni Ansaloni , Miguel Peón-Quirós , David Atienza

Neural networks (NNs) are growing in importance and complexity. A neural network's performance (and energy efficiency) can be bound either by computation or memory resources. The processing-in-memory (PIM) paradigm, where computation is…

Hardware Architecture · Computer Science 2023-03-28 Geraldo F. Oliveira , Juan Gómez-Luna , Saugata Ghose , Amirali Boroumand , Onur Mutlu

Electromagnetic field simulation is central to designing, optimizing, and validating photonic devices and circuits. However, costly computation associated with numerical simulation poses a significant bottleneck, hindering scalability and…

Machine Learning · Computer Science 2024-11-07 Hanqing Zhu , Wenyan Cong , Guojin Chen , Shupeng Ning , Ray T. Chen , Jiaqi Gu , David Z. Pan

Approximate query processing (AQP) is an interesting alternative for exact query processing. It is a tool for dealing with the huge data volumes where response time is more important than perfect accuracy (this is typically the case during…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-05-11 Witold Andrzejewski , Artur Gramacki , Jarosław Gramacki

Relative localization is critical for cooperation in autonomous multi-robot systems. Existing approaches either rely on shared environmental features or inertial assumptions or suffer from non-line-of-sight degradation and outliers in…

Robotics · Computer Science 2026-01-01 Zhehan Li , Zheng Wang , Jiadong Lu , Qi Liu , Zhiren Xun , Yue Wang , Fei Gao , Chao Xu , Yanjun Cao