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Convolutional neural networks are state-of-the-art for various segmentation tasks. While for 2D images these networks are also computationally efficient, 3D convolutions have huge storage requirements and require long training time. To…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Christoph Angermann , Markus Haltmeier , Ruth Steiger , Sergiy Pereverzyev , Elke Gizewski

Segmenting aerial images is being of great potential in surveillance and scene understanding of urban areas. It provides a mean for automatic reporting of the different events that happen in inhabited areas. This remarkably promotes public…

计算机视觉与模式识别 · 计算机科学 2019-06-10 Bilel Benjdira , Yakoub Bazi , Anis Koubaa , Kais Ouni

The availability of a robust and efficient routine for calculating light curves of a finite source magnified due to bending its light by the gravitational field of an intervening binary lens is essential for determining the characteristics…

天体物理学 · 物理学 2008-11-26 M. Dominik

In StyleGAN, convolution kernels are shaped by both static parameters shared across images and dynamic modulation factors $w^+\in\mathcal{W}^+$ specific to each image. Therefore, $\mathcal{W}^+$ space is often used for image inversion and…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Siwei Xia , Xueqi Hu , Li Sun , Qingli Li

The accelerated advancement of generative AI significantly enhance the viability and effectiveness of generative regional editing methods. This evolution render the image manipulation more accessible, thereby intensifying the risk of…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Zhihao Sun , Haipeng Fang , Xinying Zhao , Danding Wang , Juan Cao

Remote sensing image fusion aims to create a high-resolution multi/hyper-spectral image from a high-resolution image with limited spectral information and a low-resolution image with abundant spectral data. Recently, deep learning (DL)…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Siran Peng , Xiangyu Zhu , Shang-Qi Deng , Liang-Jian Deng , Zhen Lei

Domain generalization aims to learn a generalizable model from a known source domain for various unknown target domains. It has been studied widely by domain randomization that transfers source images to different styles in spatial space…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Jiaxing Huang , Dayan Guan , Aoran Xiao , Shijian Lu

The interest of compressive sampling in ultrasound imaging has been recently extensively evaluated by several research teams. Following the different application setups, it has been shown that the RF data may be reconstructed from a small…

计算机视觉与模式识别 · 计算机科学 2015-12-07 Zhouye Chen , Adrian Basarab , Denis Kouamé

The Richardson-Lucy method is the most popular deconvolution method in astronomy because it preserves the number of counts and the non-negativity of the original object. Regularization is, in general, obtained by an early stopping of…

天体物理仪器与方法 · 物理学 2012-10-10 M. Prato , R. Cavicchioli , L. Zanni , P. Boccacci , M. Bertero

The gravitational wave detectors currently in operation perform the analysis of their scientific data jointly. Concerning the search for bursting sources, coherent data analysis methods have been shown to be more efficient. In the coherent…

广义相对论与量子宇宙学 · 物理学 2009-06-01 Olivier Rabaste , Eric Chassande-Mottin , Archana Pai

Deep learning-based methods have shown remarkable success for various image restoration tasks such as denoising and deblurring. The current state-of-the-art networks are relatively deep and utilize (variants of) self attention mechanisms.…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Youssef Mansour , Reinhard Heckel

Computer vision has flourished in recent years thanks to Deep Learning advancements, fast and scalable hardware solutions and large availability of structured image data. Convolutional Neural Networks trained on supervised tasks with…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Antono D'Innocente

Convolutional neural network (CNN) is widely used in computer vision applications. In the networks that deal with images, CNNs are the most time-consuming layer of the networks. Usually, the solution to address the computation cost is to…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Meisam Rakhshanfar

Modern deep neural networks (DNNs) are highly accurate on many recognition tasks for overhead (e.g., satellite) imagery. However, visual domain shifts (e.g., statistical changes due to geography, sensor, or atmospheric conditions) remain a…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Can Yaras , Kaleb Kassaw , Bohao Huang , Kyle Bradbury , Jordan M. Malof

The standard wide-field imaging technique, the $w$-projection, allows correction for wide-fields of view for non-coplanar radio interferometric arrays. However, calculating exact corrections for each measurement has not been possible due to…

天体物理仪器与方法 · 物理学 2019-04-10 Luke Pratley , Melanie Johnston-Hollitt , Jason D. McEwen

Difference image analysis (DIA) is a powerful tool for studying time-variable phenomena, and has been used by many time-domain surveys. Most DIA algorithms involve matching the spatially-varying PSF shape between science and template…

The new generation of radio interferometers is characterized by high sensitivity, wide fields of view and large fractional bandwidth. To synthesize the deepest images enabled by the high dynamic range of these instruments requires us to…

天体物理仪器与方法 · 物理学 2018-04-25 C. Tasse , B. Hugo , M. Mirmont , O. Smirnov , M. Atemkeng , L. Bester , M. J. Hardcastle , R. Lakhoo , S. Perkins , T. Shimwell

Single domain generalization aims to train a generalizable model with only one source domain to perform well on arbitrary unseen target domains. Image augmentation based on Random Convolutions (RandConv), consisting of one convolution layer…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Seokeon Choi , Debasmit Das , Sungha Choi , Seunghan Yang , Hyunsin Park , Sungrack Yun

The major challenge in today's computer vision scenario is the availability of good quality labeled data. In a field of study like image classification, where data is of utmost importance, we need to find more reliable methods which can…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Aashish Dhawan , Divyanshu Mudgal

Summary: Errors in gradient trajectories introduce significant artifacts and distortions in magnetic resonance images, particularly in non-Cartesian imaging sequences, where imperfect gradient waveforms can greatly reduce image quality.…

医学物理 · 物理学 2025-06-19 Jonathan B. Martin , Hannah E. Alderson , John C. Gore , Mark D. Does , Kevin D. Harkins