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During the last decade, considerable effort has been made to perform automatic classification of variable stars using machine learning techniques. Traditionally, light curves are represented as a vector of descriptors or features used as…

Instrumentation and Methods for Astrophysics · Physics 2020-02-12 Ignacio Becker , Karim Pichara , Márcio Catelan , Pavlos Protopapas , Carlos Aguirre , Fatemeh Nikzat

In the medical domain, acquiring large datasets poses significant challenges due to privacy concerns. Nonetheless, the development of a robust deep-learning model for retinal disease diagnosis necessitates a substantial dataset for…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Fatema-E- Jannat , Sina Gholami , Jennifer I. Lim , Theodore Leng , Minhaj Nur Alam , Hamed Tabkhi

Accurate classification of brain tumors from magnetic resonance imaging (MRI) plays a critical role in early diagnosis and effective treatment planning. In this study, we propose a deep learning framework based on Vision Transformers (ViT)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Faisal Ahmed

Astrophysical light curves are particularly challenging data objects due to the intensity and variety of noise contaminating them. Yet, despite the astronomical volumes of light curves available, the majority of algorithms used to process…

Instrumentation and Methods for Astrophysics · Physics 2022-07-07 Mario Morvan , Nikolaos Nikolaou , Kai Hou Yip , Ingo Waldmann

Vision Transformer (ViT), a radically different architecture than convolutional neural networks offers multiple advantages including design simplicity, robustness and state-of-the-art performance on many vision tasks. However, in contrast…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Hanan Gani , Muzammal Naseer , Mohammad Yaqub

The Vision Transformer (ViT) achieves remarkable accuracy across visual tasks but remains computationally expensive for edge deployment. This paper presents MicroViTv2, a lightweight Vision Transformer optimized for real-device efficiency.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Novendra Setyawan , Chi-Chia Sun , Mao-Hsiu Hsu , Wen-Kai Kuo , Jun-Wei Hsieh

Convolutional networks, transformers, hybrid models, and Mamba-based architectures have demonstrated strong performance across various medical image classification tasks. However, these methods were primarily designed to classify clean…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Omid Nejati Manzari , Hojat Asgariandehkordi , Taha Koleilat , Yiming Xiao , Hassan Rivaz

Understanding model decisions is crucial in medical imaging, where interpretability directly impacts clinical trust and adoption. Vision Transformers (ViTs) have demonstrated state-of-the-art performance in diagnostic imaging; however,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Leili Barekatain , Ben Glocker

We present a simple approach to make pre-trained Vision Transformers (ViTs) interpretable for fine-grained analysis, aiming to identify and localize the traits that distinguish visually similar categories, such as bird species. Pre-trained…

With large numbers of transients discovered by current and future imaging surveys, machine learning is increasingly applied to light curve and host galaxy properties to select events for follow-up. However, finding rare types of transients…

Instrumentation and Methods for Astrophysics · Physics 2025-12-17 Xinyue Sheng , Tuan Dung Pham , Zichi Zhang , Matt Nicholl , Thai Son Mai

Vast amounts of astronomical photometric data are generated from various projects, requiring significant effort to identify variable stars and other object classes. In light of this, a general, widely applicable classification framework…

Instrumentation and Methods for Astrophysics · Physics 2024-09-23 Kaiming Cui , D. J. Armstrong , Fabo Feng

Photometric classification of supernovae (SNe) is imperative as recent and upcoming optical time-domain surveys, such as the Large Synoptic Survey Telescope (LSST), overwhelm the available resources for spectrosopic follow-up. Here we…

High Energy Astrophysical Phenomena · Physics 2019-10-28 V. A. Villar , E. Berger , G. Miller , R. Chornock , A. Rest , D. O. Jones , M. R. Drout , R. J. Foley , R. Kirshner , R. Lunnan , E. Magnier , D. Milisavljevic , N. Sanders , D. Scolnic

The proliferation of deepfake technology poses significant challenges to the authenticity and trustworthiness of digital media, necessitating the development of robust detection methods. This study explores the application of Swin…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Aprille J. Xi , Eason Chen

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

Transformers, which are popular for language modeling, have been explored for solving vision tasks recently, e.g., the Vision Transformer (ViT) for image classification. The ViT model splits each image into a sequence of tokens with fixed…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Li Yuan , Yunpeng Chen , Tao Wang , Weihao Yu , Yujun Shi , Zihang Jiang , Francis EH Tay , Jiashi Feng , Shuicheng Yan

Medical image analysis frequently encounters data scarcity challenges. Transfer learning has been effective in addressing this issue while conserving computational resources. The recent advent of foundational models like the DINOv2, which…

Image and Video Processing · Electrical Eng. & Systems 2024-02-14 Yuning Huang , Jingchen Zou , Lanxi Meng , Xin Yue , Qing Zhao , Jianqiang Li , Changwei Song , Gabriel Jimenez , Shaowu Li , Guanghui Fu

Taking inspiration from natural language embeddings, we present ASTROMER, a transformer-based model to create representations of light curves. ASTROMER was pre-trained in a self-supervised manner, requiring no human-labeled data. We used…

Instrumentation and Methods for Astrophysics · Physics 2023-02-08 C. Donoso-Oliva , I. Becker , P. Protopapas , G. Cabrera-Vives , Vishnu M. , Harsh Vardhan

We present a machine learning package for the classification of periodic variable stars. Our package is intended to be general: it can classify any single band optical light curve comprising at least a few tens of observations covering…

Instrumentation and Methods for Astrophysics · Physics 2016-02-17 Dae-Won Kim , Coryn A. L. Bailer-Jones

The recently developed vision transformer (ViT) has achieved promising results on image classification compared to convolutional neural networks. Inspired by this, in this paper, we study how to learn multi-scale feature representations in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Chun-Fu Chen , Quanfu Fan , Rameswar Panda

Recent advancements in large-scale Vision Transformers have made significant strides in improving pre-trained models for medical image segmentation. However, these methods face a notable challenge in acquiring a substantial amount of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Yiqing Wang , Zihan Li , Jieru Mei , Zihao Wei , Li Liu , Chen Wang , Shengtian Sang , Alan Yuille , Cihang Xie , Yuyin Zhou