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With the success of Vision Transformers (ViTs) in computer vision tasks, recent arts try to optimize the performance and complexity of ViTs to enable efficient deployment on mobile devices. Multiple approaches are proposed to accelerate…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Yanyu Li , Ju Hu , Yang Wen , Georgios Evangelidis , Kamyar Salahi , Yanzhi Wang , Sergey Tulyakov , Jian Ren

Although convolutional neural networks (CNNs) showed remarkable results in many vision tasks, they are still strained by simple yet challenging visual reasoning problems. Inspired by the recent success of the Transformer network in computer…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Nicola Messina , Giuseppe Amato , Fabio Carrara , Claudio Gennaro , Fabrizio Falchi

Vision transformer (ViT) and its variants have swept through visual learning leaderboards and offer state-of-the-art accuracy in tasks such as image classification, object detection, and semantic segmentation by attending to different parts…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Eric Youn , Sai Mitheran J , Sanjana Prabhu , Siyuan Chen

Strong gravitational lensing offers constraints on the Hubble constant that are independent of other methods. However, those constraints are subject to uncertainties in lens models. Previous studies suggest that using an elliptical power…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-02 Dilys Ruan , Charles R. Keeton

Vision transformers have gained significant attention and achieved state-of-the-art performance in various computer vision tasks, including image classification, instance segmentation, and object detection. However, challenges remain in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Badri N. Patro , Vijay Srinivas Agneeswaran

The combination of deep exposures and high resolution offered by telescopes in space allows the detection of lensing over a wide range of source redshifts and lens masses. As an example, we model a lens candidate found in the southern…

Astrophysics · Physics 2007-05-23 Rennan Barkana , David Hogg , Abraham Loeb , Roger Blandford

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

While most strong-gravitational-lensing systems may be roughly modelled by a single massive object between the source and the observer, in the details all the structures near the light path contribute to the observed images. These…

Cosmology and Nongalactic Astrophysics · Physics 2022-12-01 Pierre Fleury , Julien Larena , Jean-Philippe Uzan

The success of Vision Transformer (ViT) has been widely reported on a wide range of image recognition tasks. ViT can learn global dependencies superior to CNN, yet CNN's inherent locality can substitute for expensive training resources.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Chenghao Li , Chaoning Zhang

In light of the newly opened and rapidly growing gravitational waves window in multi-messenger astronomy, in order to fully take advantage of the new opportunities we are provided with, new ideas are required for a better and deeper employ…

Cosmology and Nongalactic Astrophysics · Physics 2020-11-06 Paolo Cremonese , Vincenzo Salzano

While a variety of methods offer good yield prediction on histogrammed remote sensing data, vision Transformers are only sparsely represented in the literature. The Convolution vision Transformer (CvT) is being tested to evaluate vision…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Alvin Inderka , Florian Huber , Volker Steinhage

Convolutional Neural Networks (CNNs) have advanced existing medical systems for automatic disease diagnosis. However, there are still concerns about the reliability of deep medical diagnosis systems against the potential threats of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Omid Nejati Manzari , Hamid Ahmadabadi , Hossein Kashiani , Shahriar B. Shokouhi , Ahmad Ayatollahi

Strong gravitationally lensed quasars provide powerful means to study galaxy evolution and cosmology. Current and upcoming imaging surveys will contain thousands of new lensed quasars, augmenting the existing sample by at least two orders…

In this paper we investigate the strong gravitational lensing with Gauss-Bonnet gravity. By considering the logarithmic term for deflection angle, we obtain the deflection angle $\hat\alpha$ and corresponding parameters $\bar{a}$ and…

General Relativity and Quantum Cosmology · Physics 2015-06-17 J. Sadeghi , H. Vaez

The Euclid telescope, due for launch in 2021, will perform an imaging and slitless spectroscopy survey over half the sky, to map baryon wiggles and weak lensing. During the survey Euclid is expected to resolve 100,000 strong gravitational…

Instrumentation and Methods for Astrophysics · Physics 2019-05-17 Andrew Davies , Stephen Serjeant , Jane M. Bromley

Traditional fault diagnosis methods using Convolutional Neural Networks (CNNs) often struggle with capturing the temporal dynamics of vibration signals. To overcome this, the application of Transformer-based Vision Transformer (ViT) methods…

Systems and Control · Electrical Eng. & Systems 2025-01-03 Shouhua Zhang , Jiehan Zhou , Xue Ma , Susanna Pirttikangas , Chunsheng Yang

There still remains an extreme performance gap between Vision Transformers (ViTs) and Convolutional Neural Networks (CNNs) when training from scratch on small datasets, which is concluded to the lack of inductive bias. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Zhiying Lu , Hongtao Xie , Chuanbin Liu , Yongdong Zhang

Understanding the relationship between different parts of an image is crucial in a variety of applications, including object recognition, scene understanding, and image classification. Despite the fact that Convolutional Neural Networks…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Seyed Rohollah Hosseyni , Sanaz Seyedin , Hasan Taheri

Strong gravitational lensing forms multiple, time delayed images of cosmological sources, with the "focal length" of the lens serving as a cosmological distance probe. Robust estimation of the time delay distance can tightly constrain the…

Cosmology and Nongalactic Astrophysics · Physics 2014-12-10 Alireza Hojjati , Eric V. Linder

Vision Transformer (ViT) has performed remarkably in various computer vision tasks. Nonetheless, affected by the massive amount of parameters, ViT usually suffers from serious overfitting problems with a relatively limited number of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Tian Gao , Cheng-Zhong Xu , Le Zhang , Hui Kong
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