中文
相关论文

相关论文: CRBLASTER: A Parallel-Processing Computational Fra…

200 篇论文

Precise estimation of cosmological parameters from the cosmic microwave background (CMB) remains a central goal of modern cosmology and a key test of inflationary physics. However, this task is fundamentally limited by strong foreground…

宇宙学与河外天体物理 · 物理学 2026-04-03 Larissa Santos , Camila P. Novaes , Elisa G. M. Ferreira , Carlo Baccigalupi

Quantitative analysis of multidimensional biological images is useful for understanding complex cellular phenotypes and accelerating advances in biomedical research. As modern microscopy generates ever-larger 2D and 3D datasets, existing…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Alexandr A. Kalinin , Anne E. Carpenter , Shantanu Singh , Matthew J. O'Meara

Recently, a parallel decoding algorithm of $G_N$-coset codes was proposed.The algorithm exploits two equivalent decoding graphs.For each graph, the inner code part, which consists of independent component codes, is decoded in parallel. The…

信息论 · 计算机科学 2020-04-22 Jiajie Tong , Xianbin Wang , Qifan Zhang , Huazi Zhang , Shengchen Dai , Rong Li , Jun Wang

We consider learning problems over training sets in which both, the number of training examples and the dimension of the feature vectors, are large. To solve these problems we propose the random parallel stochastic algorithm (RAPSA). We…

机器学习 · 计算机科学 2016-06-17 Aryan Mokhtari , Alec Koppel , Alejandro Ribeiro

I present CMBAnalysis, a state-of-the-art Python framework designed for high-precision analysis of Cosmic Microwave Background (CMB) radiation data. This comprehensive package implements parallel Markov Chain Monte Carlo (MCMC) techniques…

宇宙学与河外天体物理 · 物理学 2024-11-20 Srikrishna S Kashyap

The next generation of Earth observation satellites will seek to deploy intelligent models directly onboard the payload in order to minimize the latency incurred by the transmission and processing chain of the ground segment, for…

图像与视频处理 · 电气工程与系统科学 2026-01-09 Ziyao Yi , Davide Piccinini , Diego Valsesia , Tiziano Bianchi , Enrico Magli

Clustering is an essential data mining tool for analyzing and grouping similar objects. In big data applications, however, many clustering algorithms are infeasible due to their high memory requirements and/or unfavorable runtime…

数据结构与算法 · 计算机科学 2026-01-27 Gregor Ulm , Simon Smith , Adrian Nilsson , Emil Gustavsson , Mats Jirstrand

Image color harmonization algorithm aims to automatically match the color distribution of foreground and background images captured in different conditions. Previous deep learning based models neglect two issues that are critical for…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Ben Xue , Shenghui Ran , Quan Chen , Rongfei Jia , Binqiang Zhao , Xing Tang

Current AMR simulations require algorithms that are highly parallelized and manage memory efficiently. As compute engines grow larger, AMR simulations will require algorithms that achieve new levels of efficient parallelization and memory…

天体物理仪器与方法 · 物理学 2011-10-10 Jonathan Carroll-Nellenback , Brandon Shroyer , Adam Frank , Chen Ding

Analyzing gigapixel images is recognized as computationally demanding. In this paper, we introduce PyramidAI, a technique for analyzing gigapixel images with reduced computational cost. The proposed approach adopts a gradual analysis of the…

分布式、并行与集群计算 · 计算机科学 2025-09-03 Marie Reinbigler , Rishi Sharma , Rafael Pires , Elisabeth Brunet , Anne-Marie Kermarrec , Catalin Fetita

This work presents a high throughput and energy efficient multicore (MC) successive cancellation (SC) decoder architecture for polar codes. SC is a low-complexity decoding algorithm with a set of sequential operations. The sequential…

硬件体系结构 · 计算机科学 2021-08-30 Altuğ Süral , Ertuğrul Kolağasıoğlu

Nonlinear computation is essential for various information processing tasks. Optical implementations are attractive because passive light propagation can manipulate high-dimensional signals with extreme throughput and parallelism; yet…

Compressive focal plane arrays (FPA) enable cost-effective high-resolution (HR) imaging by acquisition of several multiplexed measurements on a low-resolution (LR) sensor. Multiplexed encoding of the visual scene is typically performed via…

图像与视频处理 · 电气工程与系统科学 2023-09-21 Alper Güngör , M. Umut Bahceci , Yasin Ergen , Ahmet Sözak , O. Oner Ekiz , Tolga Yelboga , Tolga Çukur

We present a new approach to component separation in multifrequency CMB experiments by formulating the problem as that of partitioning the sky into pixel clusters such that within each pixel cluster the foregrounds have similar spectrum,…

宇宙学与河外天体物理 · 物理学 2019-03-18 Rishi Khatri

Estimation of the sky signal from sequences of time ordered data is one of the key steps in Cosmic Microwave Background (CMB) data analysis, commonly referred to as the map-making problem. Some of the most popular and general methods…

宇宙学与河外天体物理 · 物理学 2014-12-16 Mikolaj Szydlarski , Laura Grigori , Radek Stompor

Conventional clinical CMR pipelines rely on a sequential "reconstruct-then-analyze" paradigm, forcing an ill-posed intermediate step that introduces avoidable artifacts and information bottlenecks. This creates a fundamental mathematical…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Yundi Zhang , Sevgi Gokce Kafali , Niklas Bubeck , Daniel Rueckert , Jiazhen Pan

Medical imaging plays a vital role in modern diagnostics; however, interpreting high-resolution radiological data remains time-consuming and susceptible to variability among clinicians. Traditional image processing techniques often lack the…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Melika Filvantorkaman , Maral Filvan Torkaman

Although the lightweight Vision Transformer has significantly advanced image super-resolution (SR), it faces the inherent challenge of a limited receptive field due to the window-based self-attention modeling. The quadratic computational…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Wenyang Liu , Chen Cai , Jianjun Gao , Kejun Wu , Yi Wang , Kim-Hui Yap , Lap-Pui Chau

Discovering causal relationships from observational data is a crucial problem and it has applications in many research areas. The PC algorithm is the state-of-the-art constraint based method for causal discovery. However, runtime of the PC…

人工智能 · 计算机科学 2016-11-11 Thuc Duy Le , Tao Hoang , Jiuyong Li , Lin Liu , Huawen Liu

Purpose: To develop a method for rapid sub-millimeter T1, T2, T2* and QSM mapping in a single scan using multi-contrast Learned Acquisition and Reconstruction Optimization (mcLARO). Methods: A pulse sequence was developed by interleaving…

图像与视频处理 · 电气工程与系统科学 2023-11-28 Jinwei Zhang , Thanh D. Nguyen , Eddy Solomon , Chao Li , Qihao Zhang , Jiahao Li , Hang Zhang , Pascal Spincemaille , Yi Wang