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The core for tackling the fine-grained visual categorization (FGVC) is to learn subtle yet discriminative features. Most previous works achieve this by explicitly selecting the discriminative parts or integrating the attention mechanism via…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Jun Wang , Xiaohan Yu , Yongsheng Gao

Recently, it has attracted more and more attentions to fuse multi-scale features for semantic image segmentation. Various works were proposed to employ progressive local or global fusion, but the feature fusions are not rich enough for…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Fangjian Lin , Tianyi Wu , Sitong Wu , Shengwei Tian , Guodong Guo

Hyperspectral imaging (HSI) captures hundreds of narrow, contiguous wavelength bands, making it a powerful tool in biology, agriculture, and environmental monitoring. However, interpreting Vision Transformers (ViTs) in this setting remains…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Xi Xiao , Aristeidis Tsaris , Anika Tabassum , John Lagergren , Larry M. York , Tianyang Wang , Xiao Wang

The accurate analysis of medical images is vital for diagnosing and predicting medical conditions. Traditional approaches relying on radiologists and clinicians suffer from inconsistencies and missed diagnoses. Computer-aided diagnosis…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Yulong Shisu , Susano Mingwin , Yongshuai Wanwag , Zengqiang Chenso , Sunshin Huing

We propose a novel spectral generative modeling framework for natural language processing that jointly learns a global time varying Fourier dictionary and per token mixing coefficients, replacing the ubiquitous self attention mechanism in…

Computation and Language · Computer Science 2025-05-02 Andrew Kiruluta

Learning representations on large graphs is a long-standing challenge due to the inter-dependence nature. Transformers recently have shown promising performance on small graphs thanks to its global attention for capturing all-pair…

Machine Learning · Computer Science 2024-09-16 Qitian Wu , Kai Yang , Hengrui Zhang , David Wipf , Junchi Yan

Graph Transformer has demonstrated impressive capabilities in the field of graph representation learning. However, existing approaches face two critical challenges: (1) most models suffer from exponentially increasing computational…

Cross-subject motor imagery (CS-MI) classification in brain-computer interfaces (BCIs) is a challenging task due to the significant variability in Electroencephalography (EEG) patterns across different individuals. This variability often…

Machine Learning · Computer Science 2025-07-04 Ahmed G. Habashi , Ahmed M. Azab , Seif Eldawlatly , Gamal M. Aly

Generalized Category Discovery (GCD) aims to identify novel categories in unlabeled data while leveraging a small labeled subset of known classes. Training a parametric classifier solely on image features often leads to overfitting to old…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Lorenzo Caselli , Marco Mistretta , Simone Magistri , Andrew D. Bagdanov

As a de facto solution, the vanilla Vision Transformers (ViTs) are encouraged to model long-range dependencies between arbitrary image patches while the global attended receptive field leads to quadratic computational cost. Another branch…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Jiayu Jiao , Yu-Ming Tang , Kun-Yu Lin , Yipeng Gao , Jinhua Ma , Yaowei Wang , Wei-Shi Zheng

Transformers have shown dominant performance across a range of domains including language and vision. However, their computational cost grows quadratically with the sequence length, making their usage prohibitive for resource-constrained…

Computation and Language · Computer Science 2023-10-24 Yinghan Long , Sayeed Shafayet Chowdhury , Kaushik Roy

In class incremental learning (CIL) setting, groups of classes are introduced to a model in each learning phase. The goal is to learn a unified model performant on all the classes observed so far. Given the recent popularity of Vision…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Abdelrahman Mohamed , Rushali Grandhe , K J Joseph , Salman Khan , Fahad Khan

Vision Transformers (ViT)s have recently become popular due to their outstanding modeling capabilities, in particular for capturing long-range information, and scalability to dataset and model sizes which has led to state-of-the-art…

Image and Video Processing · Electrical Eng. & Systems 2022-04-06 Ali Hatamizadeh , Ziyue Xu , Dong Yang , Wenqi Li , Holger Roth , Daguang Xu

Holistic scene understanding includes semantic segmentation, surface normal estimation, object boundary detection, depth estimation, etc. The key aspect of this problem is to learn representation effectively, as each subtask builds upon not…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Shuo Wang , Jing Li , Zibo Zhao , Dongze Lian , Binbin Huang , Xiaomei Wang , Zhengxin Li , Shenghua Gao

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 2024-06-06 Simon Dahan , Abdulah Fawaz , Logan Z. J. Williams , Chunhui Yang , Timothy S. Coalson , Matthew F. Glasser , A. David Edwards , Daniel Rueckert , Emma C. Robinson

In recent years, transformer-based models have exhibited considerable potential in point cloud instance segmentation. Despite the promising performance achieved by existing methods, they encounter challenges such as instance query…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Lei Yao , Yi Wang , Moyun Liu , Lap-Pui Chau

In this work we propose a unified Fourier Spectral Transformer network that integrates the strengths of classical spectral methods and attention based neural architectures. By transforming the original PDEs into spectral ordinary…

Machine Learning · Computer Science 2025-07-09 Beibei Li

Automatically segmenting objects from optical remote sensing images (ORSIs) is an important task. Most existing models are primarily based on either convolutional or Transformer features, each offering distinct advantages. Exploiting both…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Yanguang Sun , Jiexi Yan , Jianjun Qian , Chunyan Xu , Jian Yang , Lei Luo

Generating robust and reliable correspondences across images is a fundamental task for a diversity of applications. To capture context at both global and local granularity, we propose ASpanFormer, a Transformer-based detector-free matcher…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Hongkai Chen , Zixin Luo , Lei Zhou , Yurun Tian , Mingmin Zhen , Tian Fang , David Mckinnon , Yanghai Tsin , Long Quan

In the past decades, deep neural networks, particularly convolutional neural networks, have achieved state-of-the-art performance in a variety of medical image segmentation tasks. Recently, the introduction of the vision transformer (ViT)…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Peijie Qiu , Jin Yang , Sayantan Kumar , Soumyendu Sekhar Ghosh , Aristeidis Sotiras