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Despite data augmentation being a de facto technique for boosting the performance of deep neural networks, little attention has been paid to developing augmentation strategies for generative adversarial networks (GANs). To this end, we…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Prateek Katiyar , Anna Khoreva

Fine-Grained Visual Classification (FGVC) datasets contain small sample sizes, along with significant intra-class variation and inter-class similarity. While prior work has addressed intra-class variation using localization and segmentation…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Abhimanyu Dubey , Otkrist Gupta , Pei Guo , Ramesh Raskar , Ryan Farrell , Nikhil Naik

Food classification is the foundation for developing food vision tasks and plays a key role in the burgeoning field of computational nutrition. Due to the complexity of food requiring fine-grained classification, recent academic research…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Chi-Sheng Chen , Guan-Ying Chen , Dong Zhou , Di Jiang , Dai-Shi Chen

Although foundational vision-language models (VLMs) have proven to be very successful for various semantic discrimination tasks, they still struggle to perform faithfully for fine-grained categorization. Moreover, foundational models…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Soumitri Chattopadhyay , Sanket Biswas , Emanuele Vivoli , Josep Lladós

Fine-grained image classification has emerged as a significant challenge because objects in such images have small inter-class visual differences but with large variations in pose, lighting, and viewpoints, etc. Most existing work focuses…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Xuelu Li , Vishal Monga

Fine-grained visual classification (FGVC) remains highly sensitive to geometric variability, where objects appear under arbitrary orientations, scales, and perspective distortions. While equivariant architectures address this issue, they…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Johann Schmidt , Sebastian Stober

Simple data augmentation techniques, such as rotations and flips, are widely used to enhance the generalization power of computer vision models. However, these techniques often fail to modify high-level semantic attributes of a class. To…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Tobias Lingenberg , Markus Reuter , Gopika Sudhakaran , Dominik Gojny , Stefan Roth , Simone Schaub-Meyer

Fine-grained visual classification is a challenging task that recognizes the sub-classes belonging to the same meta-class. Large inter-class similarity and intra-class variance is the main challenge of this task. Most exiting methods try to…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Dongliang Chang , Yixiao Zheng , Zhanyu Ma , Ruoyi Du , Kongming Liang

Learning feature representation from discriminative local regions plays a key role in fine-grained visual classification. Employing attention mechanisms to extract part features has become a trend. However, there are two major limitations…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Jianwei Song , Ruoyu Yang

While recent advancements in generative modeling have significantly improved text-image alignment, some residual misalignment between text and image representations still remains. Some approaches address this issue by fine-tuning models in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Jaa-Yeon Lee , Byunghee Cha , Jeongsol Kim , Jong Chul Ye

Fine-grained visual classification (FGVC) is becoming an important research field, due to its wide applications and the rapid development of computer vision technologies. The current state-of-the-art (SOTA) methods in the FGVC usually…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Shuai Xu , Dongliang Chang , Jiyang Xie , Zhanyu Ma

Existing data augmentation in self-supervised learning, while diverse, fails to preserve the inherent structure of natural images. This results in distorted augmented samples with compromised semantic information, ultimately impacting…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Renan A. Rojas-Gomez , Karan Singhal , Ali Etemad , Alex Bijamov , Warren R. Morningstar , Philip Andrew Mansfield

Successful fine-grained image classification methods learn subtle details between visually similar (sub-)classes, but the problem becomes significantly more challenging if the details are missing due to low resolution. Encouraged by the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Dingding Cai , Ke Chen , Yanlin Qian , Joni-Kristian Kämäräinen

Fine-Grained Visual Classification (FGVC) remains a challenging task due to subtle inter-class differences and large intra-class variations. Existing approaches typically rely on feature-selection mechanisms or region-proposal strategies to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Yongji Zhang , Siqi Li , Kuiyang Huang , Yue Gao , Yu Jiang

Incremental few-shot semantic segmentation (IFSS) aims to incrementally extend a semantic segmentation model to novel classes according to only a few pixel-level annotated data, while preserving its segmentation capability on previously…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Yuan Zhou , Xin Chen , Yanrong Guo , Shijie Hao , Richang Hong , Qi Tian

Deep clustering has attracted increasing attention in recent years due to its capability of joint representation learning and clustering via deep neural networks. In its latest developments, the contrastive learning has emerged as an…

Machine Learning · Computer Science 2022-07-15 Xiaozhi Deng , Dong Huang , Ding-Hua Chen , Chang-Dong Wang , Jian-Huang Lai

Diffusion models are highly regarded for their controllability and the diversity of images they generate. However, class-conditional generation methods based on diffusion models often focus on more common categories. In large-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Kun Wang , Donglin Di , Tonghua Su , Lei Fan

The Fine-Grained Visual Categorization (FGVC) is challenging because the subtle inter-class variations are difficult to be captured. One notable research line uses the Global Covariance Pooling (GCP) layer to learn powerful representations…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Yue Song , Nicu Sebe , Wei Wang

As fine-grained visual classification (FGVC) being developed for decades, great works related have exposed a key direction -- finding discriminative local regions and revealing subtle differences. However, unlike identifying visual contents…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Ruoyi Du , Wenqing Yu , Heqing Wang , Dongliang Chang , Ting-En Lin , Yongbin Li , Zhanyu Ma

In this paper, we address a key scientific problem in machine learning: Given a training set for an image classification task, can we train a generative model on this dataset to enhance the classification performance? (i.e., closed-set…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Haowen Wang , Guowei Zhang , Xiang Zhang , Zeyuan Chen , Haiyang Xu , Dou Hoon Kwark , Zhuowen Tu