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Accurate identification of cat breeds from images is a challenging task due to subtle differences in fur patterns, facial structure, and color. In this paper, we present a deep learning-based approach for classifying cat breeds using a…

In this work, we explore the potential of multi-domain multi-branch convolutional neural networks (CNNs) for identifying comparatively rare giant radio galaxies from large volumes of survey data, such as those expected for new-generation…

Instrumentation and Methods for Astrophysics · Physics 2021-12-22 H. Tang , A. M. M. Scaife , O. I. Wong , S. S. Shabala

We applied the image-based approach with a convolutional neural network model to the sample of low-redshifts galaxies with $-24^{m}<M_{r}<-19.4^{m}$ from the SDSS DR9. We divided it into two subsamples, SDSS DR9 galaxy dataset and Galaxy…

Astrophysics of Galaxies · Physics 2022-08-04 I. B. Vavilova , V. Khramtsov , D. V. Dobrycheva , M. Yu. Vasylenko , A. A. Elyiv , O. V. Melnyk

The structural information of spiral galaxies such as the spiral arm number, offer valuable insights into their formation processes and physical roles in galaxy evolution. We developed classifiers based on CNNs using variants of the…

Astrophysics of Galaxies · Physics 2024-12-17 Ming Wei Lee , John Y. H. Soo , Syarawi M. H. Sharoni

This paper does not attempt to design a state-of-the-art method for visual recognition but investigates a more efficient way to make use of convolutions to encode spatial features. By comparing the design principles of the recent…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Qibin Hou , Cheng-Ze Lu , Ming-Ming Cheng , Jiashi Feng

Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs) are two dominant models for image analysis. While CNNs excel at extracting multi-scale features and ViTs effectively capture global dependencies, both suffer from high…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Shicheng Yin , Kaixuan Yin , Weixing Chen , Enbo Huang , Yang Liu

This study examines various feature extraction techniques in computer vision, the primary focus of which is on Vision Transformers (ViTs) and other approaches such as Generative Adversarial Networks (GANs), deep feature models, traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Venant Niyonkuru , Sylla Sekou , Jimmy Jackson Sinzinkayo

Nowadays, analysis of Transparent Environmental Microorganism Images (T-EM images) in the field of computer vision has gradually become a new and interesting spot. This paper compares different deep learning classification performance for…

Computer Vision and Pattern Recognition · Computer Science 2021-07-22 Hechen Yang , Chen Li , Jinghua Zhang , Peng Zhao , Ao Chen , Xin Zhao , Tao Jiang , Marcin Grzegorzek

Transformers are popular neural network models that use layers of self-attention and fully-connected nodes with embedded tokens. Vision Transformers (ViT) adapt transformers for image recognition tasks. In order to do this, the images are…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Brian Kenji Iwana , Akihiro Kusuda

In Digital Holography (DH), it is crucial to extract the object distance from a hologram in order to reconstruct its amplitude and phase. This step is called auto-focusing and it is conventionally solved by first reconstructing a stack of…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Stéphane Cuenat , Raphaël Couturier

Vision Transformers (ViTs) have emerged as the state-of-the-art architecture in representation learning, leveraging self-attention mechanisms to excel in various tasks. ViTs split images into fixed-size patches, constraining them to a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Aswathi Varma , Suprosanna Shit , Chinmay Prabhakar , Daniel Scholz , Hongwei Bran Li , Bjoern Menze , Daniel Rueckert , Benedikt Wiestler

In this paper, a deep convolutional neural network architecture for galaxies classification is presented. The galaxy can be classified based on its features into main three categories Elliptical, Spiral, and Irregular. The proposed deep…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Nour Eldeen M. Khalifa , Mohamed Hamed N. Taha , Aboul Ella Hassanien , I. M. Selim

Cancer is one of the leading health challenges for women, specifically breast and ovarian cancer. Early detection can help improve the survival rate through timely intervention and treatment. Traditional methods of detecting cancer involve…

Image and Video Processing · Electrical Eng. & Systems 2025-09-24 Richa Rawat , Faisal Ahmed

The Zone of Avoidance makes it difficult for astronomers to catalogue galaxies at low latitudes to our galactic plane due to high star densities and extinction. However, having a complete sky map of galaxies is important in a number of…

Instrumentation and Methods for Astrophysics · Physics 2019-03-21 David Jones , Anja Schroeder , Geoff Nitschke

We present a novel approach for the dimensionality reduction of galaxy images by leveraging a combination of variational auto-encoders (VAE) and domain adaptation (DA). We demonstrate the effectiveness of this approach using a sample of low…

In the last two years, convolutional neural networks (CNNs) have achieved an impressive suite of results on standard recognition datasets and tasks. CNN-based features seem poised to quickly replace engineered representations, such as SIFT…

Computer Vision and Pattern Recognition · Computer Science 2014-09-23 Pulkit Agrawal , Ross Girshick , Jitendra Malik

Convolutional Neural Networks (CNNs) have reigned for a decade as the de facto approach to automated medical image diagnosis, pushing the state-of-the-art in classification, detection and segmentation tasks. Over the last years, vision…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Christos Matsoukas , Johan Fredin Haslum , Moein Sorkhei , Magnus Söderberg , Kevin Smith

Modern cosmological simulations model the universe with increasing sophistication and at higher spatial and temporal resolutions. These enhancements permit detailed comparisons between the simulation outputs and real observational data.…

This study evaluates the effectiveness of deep learning models in classifying histopathological images for early and accurate detection of breast cancer. Eight advanced models, including ResNet-50, DenseNet-121, ResNeXt-50, Vision…

Image and Video Processing · Electrical Eng. & Systems 2025-05-09 Sania Eskandari , Ali Eslamian , Nusrat Munia , Amjad Alqarni , Qiang Cheng

Galaxy morphology is a key parameter in galaxy evolution studies. The enormous number of galaxies which current and future surveys will observe demand of automated methods for morphological classification. Supervised learning techniques…

Astrophysics of Galaxies · Physics 2023-02-27 Helena Domínguez Sánchez , Mariangela Bernardi , Marc Huertas-Company
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