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Recently Transformer-based hyperspectral image (HSI) change detection methods have shown remarkable performance. Nevertheless, existing attention mechanisms in Transformers have limitations in local feature representation. To address this…

Image and Video Processing · Electrical Eng. & Systems 2024-11-22 Ziyi Wang , Feng Gao , Junyu Dong , Qian Du

Fine-grained visual classification (FGVC) aims to classify sub-classes of objects in the same super-class (e.g., species of birds, models of cars). For the FGVC tasks, the essential solution is to find discriminative subtle information of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Chenyu Guo , Jiyang Xie , Kongming Liang , Xian Sun , Zhanyu Ma

In fine-grained image recognition (FGIR), the localization and amplification of region attention is an important factor, which has been explored a lot by convolutional neural networks (CNNs) based approaches. The recently developed vision…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Yunqing Hu , Xuan Jin , Yin Zhang , Haiwen Hong , Jingfeng Zhang , Yuan He , Hui Xue

Fine-grained image recognition is a longstanding computer vision challenge that focuses on differentiating objects belonging to multiple subordinate categories within the same meta-category. Since images belonging to the same meta-category…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Yifan Pu , Yizeng Han , Yulin Wang , Junlan Feng , Chao Deng , Gao Huang

Vision Transformers (ViTs) have redefined image classification by leveraging self-attention to capture complex patterns and long-range dependencies between image patches. However, a key challenge for ViTs is efficiently incorporating…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Shravan Venkatraman , Jaskaran Singh Walia , Joe Dhanith P R

We propose global context vision transformer (GC ViT), a novel architecture that enhances parameter and compute utilization for computer vision. Our method leverages global context self-attention modules, joint with standard local…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Ali Hatamizadeh , Hongxu Yin , Greg Heinrich , Jan Kautz , Pavlo Molchanov

Vision transformers have achieved encouraging progress in various computer vision tasks. A common belief is that this is attributed to the capability of self-attention in modeling the global dependencies among feature tokens. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Yulong Shi , Mingwei Sun , Yongshuai Wang , Zengqiang Chen

Fine-grained visual classification (FGVC) is challenging but more critical than traditional classification tasks. It requires distinguishing different subcategories with the inherently subtle intra-class object variations. Previous works…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Zhenhuan Huang , Xiaoyue Duan , Bo Zhao , Jinhu Lü , Baochang Zhang

The Vision Transformer (ViT) has made significant advancements in computer vision, utilizing self-attention mechanisms to achieve state-of-the-art performance across various tasks, including image classification, object detection, and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Sehyeong Jo , Gangjae Jang , Haesol Park

Locating discriminative parts plays a key role in fine-grained visual classification due to the high similarities between different objects. Recent works based on convolutional neural networks utilize the feature maps taken from the last…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Jianwei Song , Ruoyu Yang

Vision Transformers (ViT) and Visual Prompt Tuning (VPT) achieve state-of-the-art performance with improved efficiency in various computer vision tasks. This suggests a promising paradigm shift of adapting pre-trained ViT models to…

Machine Learning · Computer Science 2024-02-27 Wenlong Deng , Christos Thrampoulidis , Xiaoxiao Li

Fine-grained visual categorization (FGVC) is challenging due in part to the fact that it is often difficult to acquire an enough number of training samples. To employ large models for FGVC without suffering from overfitting, existing…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Yabin Zhang , Hui Tang , Kui Jia

Fine-Grained Visual Classification(FGVC) is the task that requires recognizing the objects belonging to multiple subordinate categories of a super-category. Recent state-of-the-art methods usually design sophisticated learning pipelines to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Qishuai Diao , Yi Jiang , Bin Wen , Jia Sun , Zehuan Yuan

Convolutional architectures have proven extremely successful for vision tasks. Their hard inductive biases enable sample-efficient learning, but come at the cost of a potentially lower performance ceiling. Vision Transformers (ViTs) rely on…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Stéphane d'Ascoli , Hugo Touvron , Matthew Leavitt , Ari Morcos , Giulio Biroli , Levent Sagun

Fine-Grained Visual Categorization (FGVC) is a challenging topic in computer vision. It is a problem characterized by large intra-class differences and subtle inter-class differences. In this paper, we tackle this problem in a weakly…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Ashiq Imran , Vassilis Athitsos

Fine-grained visual classification (FGVC) aims to distinguish the sub-classes of the same category and its essential solution is to mine the subtle and discriminative regions. Convolution neural networks (CNNs), which employ the cross…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Siqing Zhang , Ruoyi Du , Dongliang Chang , Zhanyu Ma , Jun Guo

Vision Transformer (ViT) has prevailed in computer vision tasks due to its strong long-range dependency modelling ability. \textcolor{blue}{However, its large model size and weak local feature modeling ability hinder its application in real…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Yi Zhang , Lingxiao Wei , Bowei Zhang , Ziwei Liu , Kai Yi , Shu Hu

Transformer-based deep neural networks have achieved remarkable success across various computer vision tasks, largely attributed to their long-range self-attention mechanism and scalability. However, most transformer architectures embed…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Muyi Bao , Changyu Zeng , Yifan Wang , Zhengni Yang , Zimu Wang , Guangliang Cheng , Jun Qi , Wei Wang

Transformer-based methods have achieved remarkable results in image super-resolution tasks because they can capture non-local dependencies in low-quality input images. However, this feature-intensive modeling approach is computationally…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Wei Long , Xingyu Zhou , Leheng Zhang , Shuhang Gu

Classifying the sub-categories of an object from the same super-category (e.g. bird species, car and aircraft models) in fine-grained visual classification (FGVC) highly relies on discriminative feature representation and accurate region…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Yifeng Ding , Shaoguo Wen , Jiyang Xie , Dongliang Chang , Zhanyu Ma , Zhongwei Si , Haibin Ling