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Vision transformers (ViTs) are quickly becoming the de-facto architecture for computer vision, yet we understand very little about why they work and what they learn. While existing studies visually analyze the mechanisms of convolutional…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Amin Ghiasi , Hamid Kazemi , Eitan Borgnia , Steven Reich , Manli Shu , Micah Goldblum , Andrew Gordon Wilson , Tom Goldstein

With fine-grained classification, we identify unique characteristics to distinguish among classes of the same super-class. We are focusing on species recognition in Insecta, as they are critical for biodiversity monitoring and at the base…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Rita Pucci , Vincent J. Kalkman , Dan Stowell

In recent years, the scientific community has focused on the development of CAD tools that could improve bone fractures' classification, mostly based on Convolutional Neural Network (CNN). However, the discerning accuracy of fractures'…

Artificial Intelligence · Computer Science 2021-10-27 Leonardo Tanzi , Andrea Audisio , Giansalvo Cirrincione , Alessandro Aprato , Enrico Vezzetti

We present in this paper a new architecture, named Convolutional vision Transformer (CvT), that improves Vision Transformer (ViT) in performance and efficiency by introducing convolutions into ViT to yield the best of both designs. This is…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Haiping Wu , Bin Xiao , Noel Codella , Mengchen Liu , Xiyang Dai , Lu Yuan , Lei Zhang

Quantifying galaxy morphology is a challenging yet scientifically rewarding task. As the scale of data continues to increase with upcoming surveys, traditional classification methods will struggle to handle the load. We present a solution…

Classification of galaxy morphology is a challenging but meaningful task for the enormous amount of data produced by the next-generation telescope. By introducing the adaptive polar coordinate transformation, we develop a rotationally…

Astrophysics of Galaxies · Physics 2023-01-11 G. W. Fang , S. Ba , Y. Z. Gu , Z. S. Lin , Y. J. Hou , C. X. Qin , C. C. Zhou , J. Xu , Y. Dai , J. Song , X. Kong

Galaxy morphology offers significant insights into the evolutionary pathways and underlying physics of galaxies. As astronomical data grows with surveys such as Euclid and Vera C. Rubin , there is a need for tools to classify and analyze…

Instrumentation and Methods for Astrophysics · Physics 2024-01-18 I. Kolesnikov , V. M. Sampaio , R. R. de Carvalho , C. Conselice , S. B. Rembold , C. L. Mendes , R. R. Rosa

Early detection and classifying brain tumors using Magnetic Resonance Imaging (MRI) images is highly important but difficult to extract in medical images. Convolutional Neural Networks (CNNs) are good at capturing both local texture and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Syed Ibad Hasnain , Muhammad Faris , Hafiza Syeda Yusra Tirmizi , Rabail Khowaja , Hafsa Israr

We describe an image analysis supervised learning algorithm that can automatically classify galaxy images. The algorithm is first trained using a manually classified images of elliptical, spiral, and edge-on galaxies. A large set of image…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 Lior Shamir

Galaxy morphology classification plays a crucial role in understanding the structure and evolution of the universe. With galaxy observation data growing exponentially, machine learning has become a core technology for this classification…

Astrophysics of Galaxies · Physics 2025-05-29 Zhijian Luo , Jianzhen Chen , Zhu Chen , Shaohua Zhang , Liping Fu , Hubing Xiao , Chenggang Shu

Change detection in remote sensing images is essential for tracking environmental changes on the Earth's surface. Despite the success of vision transformers (ViTs) as backbones in numerous computer vision applications, they remain…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Duowang Zhu , Xiaohu Huang , Haiyan Huang , Zhenfeng Shao , Qimin Cheng

Vision Transformer (ViT) demonstrates that Transformer for natural language processing can be applied to computer vision tasks and result in comparable performance to convolutional neural networks (CNN), which have been studied and adopted…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Yi-Lun Liao , Sertac Karaman , Vivienne Sze

We introduce Galaxy Zoo Evo, a labeled dataset for building and evaluating foundation models on images of galaxies. GZ Evo includes 104M crowdsourced labels for 823k images from four telescopes. Each image is labeled with a series of…

We present the data release paper for the Galaxy Zoo: Hubble (GZH) project. This is the third phase in a large effort to measure reliable, detailed morphologies of galaxies by using crowdsourced visual classifications of colour composite…

Galaxies can be described by features of their optical spectra such as oxygen emission lines, or morphological features such as spiral arms. Although spectroscopy provides a rich description of the physical processes that govern galaxy…

Instrumentation and Methods for Astrophysics · Physics 2020-12-01 John F. Wu , J. E. G. Peek

Classification of AI-manipulated content is receiving great attention, for distinguishing different types of manipulations. Most of the methods developed so far fail in the open-set scenario, that is when the algorithm used for the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Jun Wang , Omran Alamayreh , Benedetta Tondi , Mauro Barni

Medical image segmentation plays a crucial role in various healthcare applications, enabling accurate diagnosis, treatment planning, and disease monitoring. Traditionally, convolutional neural networks (CNNs) dominated this domain,…

The extension of convolutional neural networks (CNNs) to non-Euclidean geometries has led to multiple frameworks for studying manifolds. Many of those methods have shown design limitations resulting in poor modelling of long-range…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Simon Dahan , Logan Z. J. Williams , Abdulah Fawaz , Daniel Rueckert , Emma C. Robinson

Giant Star-forming Clumps (GSFCs) are areas of intensive star-formation that are commonly observed in high-redshift (z>1) galaxies but their formation and role in galaxy evolution remain unclear. High-resolution observations of low-redshift…

The success of Vision Transformer (ViT) in various computer vision tasks has promoted the ever-increasing prevalence of this convolution-free network. The fact that ViT works on image patches makes it potentially relevant to the problem of…

Computer Vision and Pattern Recognition · Computer Science 2023-01-06 Yingyi Chen , Xi Shen , Yahui Liu , Qinghua Tao , Johan A. K. Suykens