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As a special type of transformer, Vision Transformers (ViTs) are used to various computer vision applications (CV), such as image recognition. There are several potential problems with convolutional neural networks (CNNs) that can be solved…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Sonain Jamil , Md. Jalil Piran , Oh-Jin Kwon

Convolutional Neural Networks (CNNs) for computer vision sometimes struggle with understanding images in a global context, as they mainly focus on local patterns. On the other hand, Vision Transformers (ViTs), inspired by models originally…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Dimitrios N. Vlachogiannis , Dimitrios A. Koutsomitropoulos

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

We propose a variant of residual networks (ResNets) for galaxy morphology classification. The variant, together with other popular convolutional neural networks (CNNs), are applied to a sample of 28790 galaxy images from Galaxy Zoo 2…

Astrophysics of Galaxies · Physics 2020-12-16 Jia-Ming Dai , Jizhou Tong

Weak gravitational lensing is a powerful probe of the universe's growth history. While traditional two-point statistics capture only the Gaussian features of the convergence field, deep learning methods such as convolutional neural networks…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-09 Jash Kakadia , Shubh Agrawal , Kunhao Zhong , Bhuvnesh Jain

Classifying the morphologies of radio galaxies is important to understand their physical properties and evolutionary histories. A galaxy's morphology is often determined by visual inspection, but as survey size increases robust automated…

Instrumentation and Methods for Astrophysics · Physics 2024-07-02 Emma Tolley

Recent advancements in medical image analysis have predominantly relied on Convolutional Neural Networks (CNNs), achieving impressive performance in chest X-ray classification tasks, such as the 92% AUC reported by AutoThorax-Net and the…

Image and Video Processing · Electrical Eng. & Systems 2024-11-19 Baljinnyam Dayan

In this study, we investigate the morphology of galaxies in the TNG100 simulation by applying mock observation techniques and compare the results with the observational data from the Sloan Digital Sky Survey (SDSS). By employing a…

Astrophysics of Galaxies · Physics 2025-07-01 Jun-Yu Gong , Weipeng Lin , Lin Tang , Yanyao Lan

A galaxy's morphological features encode details about its gas content, star formation history, and feedback processes, which play important roles in regulating its growth and evolution. We use deep convolutional neural networks (CNNs) to…

Astrophysics of Galaxies · Physics 2020-09-15 John F. Wu

We present a new non-parametric method to quantify morphologies of galaxies based on a particular family of learning machines called support vector machines. The method, that can be seen as a generalization of the classical CAS…

Astrophysics · Physics 2009-11-13 M. Huertas-Company , D. Rouan , L. Tasca , G. Soucail , O. Le Fevre

Vision Transformers (ViTs) have redefined image classification by leveraging self-attention to capture complex patterns and long-range dependencies between image patches. However, a key challenge for ViTs is efficiently incorporating…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Shravan Venkatraman , Jaskaran Singh Walia , Joe Dhanith P R

We present a morphological catalogue for $\sim$ 670,000 galaxies in the Sloan Digital Sky Survey in two flavours: T-Type, related to the Hubble sequence, and Galaxy Zoo 2 (GZ2 hereafter) classification scheme. By combining accurate existing…

Astrophysics of Galaxies · Physics 2018-02-28 H. Domínguez Sánchez , M. Huertas-Company , M. Bernardi , D. Tuccillo , J. L. Fischer

Morphology is a powerful indicator of a galaxy's dynamical and merger history. It is strongly correlated with many physical parameters, including mass, star formation history and the distribution of mass. The Galaxy Zoo project collected…

While Convolutional Neural Networks (CNNs) have been widely successful in 2D human pose estimation, Vision Transformers (ViTs) have emerged as a promising alternative to CNNs, boosting state-of-the-art performance. However, the quadratic…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Kaleab A. Kinfu , Rene Vidal

Side-scan sonar (SSS) imagery presents unique challenges in the classification of man-made objects on the seafloor due to the complex and varied underwater environments. Historically, experts have manually interpreted SSS images, relying on…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 BW Sheffield , Jeffrey Ellen , Ben Whitmore

As deep learning models increasingly find applications in critical domains such as medical imaging, the need for transparent and trustworthy decision-making becomes paramount. Many explainability methods provide insights into how these…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Piotr Komorowski , Hubert Baniecki , Przemysław Biecek

The classification of galaxy morphologies is an important step in the investigation of theories of hierarchical structure formation. While human expert visual classification remains quite effective and accurate, it cannot keep up with the…

Instrumentation and Methods for Astrophysics · Physics 2023-10-13 Matthew J. Baumstark , Giuseppe Vinci

We present a novel approach for estimating cosmological parameters, $\Omega_m$, $\sigma_8$, $w_0$, and one derived parameter, $S_8$, from 3D lightcone data of dark matter halos in redshift space covering a sky area of $40^\circ \times…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-03 Se Yeon Hwang , Cristiano G. Sabiu , Inkyu Park , Sungwook E. Hong

Vision Transformers (ViTs) have recently become the state-of-the-art across many computer vision tasks. In contrast to convolutional networks (CNNs), ViTs enable global information sharing even within shallow layers of a network, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Jongwoo Park , Kumara Kahatapitiya , Donghyun Kim , Shivchander Sudalairaj , Quanfu Fan , Michael S. Ryoo

Distinguishing galaxies as either fast or slow rotators plays a vital role in understanding the processes behind galaxy formation and evolution. Standard techniques, which are based on the $\lambda_R$-spin parameter obtained from stellar…

Astrophysics of Galaxies · Physics 2025-03-14 Amirmohammad Chegeni , Fatemeh Fazel Hesar , Mojtaba Raouf , Bernard Foing , Fons J. Verbeek