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Self-attention in Transformers comes with a high computational cost because of their quadratic computational complexity, but their effectiveness in addressing problems in language and vision has sparked extensive research aimed at enhancing…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Tobias Christian Nauen , Sebastian Palacio , Federico Raue , Andreas Dengel

Manual Pap smear analysis for cervical cancer screening is limited by inter-observer variability, time constraints, and restricted expert availability. Although convolutional neural networks (CNNs) have automated cervical cell…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Nisreen Albzour , Sarah S. Lam

Vision Transformers (ViTs) have shown impressive performance but still require a high computation cost as compared to convolutional neural networks (CNNs), one reason is that ViTs' attention measures global similarities and thus has a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Haoran You , Yunyang Xiong , Xiaoliang Dai , Bichen Wu , Peizhao Zhang , Haoqi Fan , Peter Vajda , Yingyan Celine Lin

We simulate the effects of gravitational lensing on the source count of high redshift galaxies as projected to be observed by the Hubble Frontier Fields program and the James Webb Space Telescope (JWST) in the near future. Taking the mass…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Natalie Mashian , Abraham Loeb

Vision Transformers (ViTs) have demonstrated strong capabilities in capturing global dependencies but often struggle to efficiently represent fine-grained local details. Existing multi-scale approaches alleviate this issue by integrating…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Qiyang Yu , Yu Fang , Tianrui Li , Xuemei Cao , Yan Chen , Jianghao Li , Fan Min

The speed and fidelity of detector simulations in particle physics pose compelling questions about LHC analysis and future colliders. The sparse high-dimensional data, combined with the required precision, provide a challenging task for…

High Energy Physics - Phenomenology · Physics 2026-01-27 Luigi Favaro , Andrea Giammanco , Claudius Krause

A gravitational lens model of the radio quasar B1422+231 is presented which can account for the image arrangement and approximately for the relative magnifications. The locations of the principal lensing mass and a more distant secondary…

Astrophysics · Physics 2015-06-24 David W. Hogg , R. D. Blandford

The quadratic computational complexity to the number of tokens limits the practical applications of Vision Transformers (ViTs). Several works propose to prune redundant tokens to achieve efficient ViTs. However, these methods generally…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Shuning Chang , Pichao Wang , Ming Lin , Fan Wang , David Junhao Zhang , Rong Jin , Mike Zheng Shou

Recent research tries to extend image restoration capabilities from human perception to machine perception, thereby enhancing the performance of high-level vision tasks in degraded environments. These methods, primarily based on supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Jiawei Wu , Zhi Jin

Vision Transformers (ViTs) is emerging as an alternative to convolutional neural networks (CNNs) for visual recognition. They achieve competitive results with CNNs but the lack of the typical convolutional inductive bias makes them more…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Yun-Hao Cao , Hao Yu , Jianxin Wu

Although the Hubble constant $H_0$ and spatial curvature $\Omega_{K}$ have been measured with very high precision, they still suffer from some tensions. In this paper, we propose an improved method to combine the observations of…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-17 Jing-Zhao Qi , Jia-Wei Zhao , Shuo Cao , Marek Biesiada , Yuting Liu

Gravitational lensing is the deflection of light rays due to the gravity of intervening masses. This phenomenon is observed in a variety of scales and configurations, involving any non-uniform mass such as planets, stars, galaxies, clusters…

Medical ultrasound (US) imaging has become a prominent modality for breast cancer imaging due to its ease-of-use, low-cost and safety. In the past decade, convolutional neural networks (CNNs) have emerged as the method of choice in vision…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Behnaz Gheflati , Hassan Rivaz

Vision Transformers (ViTs) have emerged as the fundamental architecture for most computer vision fields, but the considerable memory and computation costs hinders their application on resource-limited devices. As one of the most powerful…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Junrui Xiao , Zhikai Li , Lianwei Yang , Qingyi Gu

Kidney stone classification from endoscopic images is critical for personalized treatment and recurrence prevention. While convolutional neural networks (CNNs) have shown promise in this task, their limited ability to capture long-range…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Ivan Reyes-Amezcua , Francisco Lopez-Tiro , Clement Larose , Andres Mendez-Vazquez , Gilberto Ochoa-Ruiz , Christian Daul

Strong gravitational lensing is a powerful tool to provide constraints on galaxy mass distributions and cosmological parameters, such as the Hubble constant, $H_0$. Nevertheless, inference of such parameters from images of lensing systems…

While the Transformer architecture has become the de-facto standard for natural language processing tasks, its applications to computer vision remain limited. In vision, attention is either applied in conjunction with convolutional…

The imminent advent of very large-scale optical sky surveys, such as Euclid and LSST, makes it important to find efficient ways of discovering rare objects such as strong gravitational lens systems, where a background object is multiply…

Instrumentation and Methods for Astrophysics · Physics 2017-08-23 P. Hartley , R. Flamary , N. Jackson , A. S. Tagore , R. B. Metcalf

We study performance characteristics of convolutional neural networks (CNN) for mobile computer vision systems. CNNs have proven to be a powerful and efficient approach to implement such systems. However, the system performance depends…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Jussi Hanhirova , Teemu Kämäräinen , Sipi Seppälä , Matti Siekkinen , Vesa Hirvisalo , Antti Ylä-Jääski

Strong gravitational lensing enables a wide range of science: probing cosmography; testing dark matter models; understanding galaxy evolution; and magnifying the faint, small and distant Universe. However to date exploiting strong lensing…