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Deep Neural Networks (DNNs) have made significant improvements to reach the desired accuracy to be employed in a wide variety of Machine Learning (ML) applications. Recently the Google Brain's team demonstrated the ability of Capsule…

Here an image restoration on the basis of pixel simultaneous detection probabilities (PSDP) is proposed. These probabilities can be precisely determined by means of correlations measurement [NIMA 586 (2008) 314-326]. The proposed image…

医学物理 · 物理学 2009-09-29 V. Grabski

Image retrieval can be formulated as a ranking problem where the goal is to order database images by decreasing similarity to the query. Recent deep models for image retrieval have outperformed traditional methods by leveraging…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Jerome Revaud , Jon Almazan , Rafael Sampaio de Rezende , Cesar Roberto de Souza

Gravitational-wave astronomy has entered a regime where it can extract information about the population properties of the observed binary black holes. The steep increase in the number of detections will offer deeper insights, but it will…

广义相对论与量子宇宙学 · 物理学 2026-01-15 Stefano Rinaldi , Alexandre Toubiana , Jonathan R. Gair

Image restoration methods are commonly used to improve the quality of astronomical images. In recent years, developments of deep neural networks and increments of the number of astronomical images have evoked a lot of data--driven image…

天体物理仪器与方法 · 物理学 2020-11-25 Peng Jia , Ruiyu Ning , Ruiqi Sun , Xiaoshan Yang , Dongmei Cai

Many application areas rely on models that can be readily simulated but lack a closed-form likelihood, or an accurate approximation under arbitrary parameter values. Existing parameter estimation approaches in this setting are generally…

统计方法学 · 统计学 2025-08-04 Rui Zhang , Oksana A. Chkrebtii , Dongbin Xiu

High-dimensional astronomical data cubes provide a wealth of spectral and structural information that can be used to study astrophysical and chemical processes. The complexity and sheer size of these datasets pose significant challenges in…

天体物理仪器与方法 · 物理学 2025-12-18 Haley N. Scolati , Ryan A. Loomis , Anthony J. Remijan , Kin Long Kelvin Lee

Radio map estimation (RME), also known as spectrum cartography, aims to reconstruct the strength of radio interference across different domains (e.g., space and frequency) from sparsely sampled measurements. To tackle this typical inverse…

信号处理 · 电气工程与系统科学 2025-06-27 Le Xu , Lei Cheng , Junting Chen , Wenqiang Pu , Xiao Fu

Composed of multiple interconnected pixels controlled by on/off RF switches, the pixel antenna can generate reconfigurable radiation patterns that can be further exploited to construct diverse pilot sequences for effective channel…

信号处理 · 电气工程与系统科学 2026-05-19 Yiting Chen , Yumeng Zhang , Hongyu Li

Since the matrix formed by nonlocal similar patches in a natural image is of low rank, the nuclear norm minimization (NNM) has been widely used in various image processing studies. Nonetheless, nuclear norm based convex surrogate of the…

计算机视觉与模式识别 · 计算机科学 2017-06-28 Zhiyuan Zha , Xinggan Zhang , Yu Wu , Qiong Wang , Lan Tang

This paper presents a novel 3D myopic coverage path planning algorithm for lunar micro-rovers that can explore unknown environments with limited sensing and computational capabilities. The algorithm expands upon traditional non-graph path…

机器人学 · 计算机科学 2024-04-30 Shreya Santra , Kentaro Uno , Gen Kudo , Kazuya Yoshida

Incoherent processing for synthetic aperture radar (SAR) is a promising approach that enables low implementation costs, simplified hardware designs and operations in high frequency spectrum compared to the conventional imaging methods using…

信号处理 · 电气工程与系统科学 2023-06-30 Samia Kazemi , Bariscan Yonel , Birsen Yazici

De novo assembly enables investigations of unknown genomes, paving the way for personalized medicine and disease management. However, it faces immense computational challenges arising from the excessive data volumes and algorithmic…

In this paper, we propose a multi-layer artificial neural network (ANN) that is trained with the Levenberg-Marquardt algorithm for use in signal detection over multiple-input multiple-output orthogonal frequency-division multiplexing…

信号处理 · 电气工程与系统科学 2020-02-03 Shabnam Rezaei , Sofiene Affes

Digital Elevation Model (DEM) is an essential aspect in the remote sensing domain to analyze and explore different applications related to surface elevation information. In this study, we intend to address the generation of high-resolution…

图像与视频处理 · 电气工程与系统科学 2024-09-23 Subhajit Paul , Ashutosh Gupta

Networks found with Neural Architecture Search (NAS) achieve state-of-the-art performance in a variety of tasks, out-performing human-designed networks. However, most NAS methods heavily rely on human-defined assumptions that constrain the…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Vasco Lopes , Luís A. Alexandre

In this paper, we introduce Random Erasing, a new data augmentation method for training the convolutional neural network (CNN). In training, Random Erasing randomly selects a rectangle region in an image and erases its pixels with random…

计算机视觉与模式识别 · 计算机科学 2017-11-17 Zhun Zhong , Liang Zheng , Guoliang Kang , Shaozi Li , Yi Yang

Perspective-$n$-Point (P$n$P) stands as a fundamental algorithm for pose estimation in various applications. In this paper, we present a new approach to the P$n$P problem with relaxed constraints, eliminating the need for precise 3D…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Jiaxin Wei , Stefan Leutenegger , Laurent Kneip

Dense retrieval, which describes the use of contextualised language models such as BERT to identify documents from a collection by leveraging approximate nearest neighbour (ANN) techniques, has been increasing in popularity. Two families of…

信息检索 · 计算机科学 2021-08-27 Craig Macdonald , Nicola Tonellotto

This paper develops a new deep neural network optimized equalization framework for massive multiple input multiple output orthogonal frequency division multiplexing (MIMOOFDM) systems that employ low-resolution analog-to-digital converters…

信号处理 · 电气工程与系统科学 2020-05-26 Lei Chu , Ling Pei , Husheng Li , Robert Caiming Qiu