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Related papers: Delving into Multimodal Prompting for Fine-grained…

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Fine-grained visual categorization (FGVC) aims to discriminate similar subcategories, whose main challenge is the large intraclass diversities and subtle inter-class differences. Existing FGVC methods usually select discriminant regions…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Yu Wang , Shuo Ye , Shujian Yu , Xinge You

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

Fine-Grained Visual Classification (FGVC) aims to categorize closely related subclasses, a task complicated by minimal inter-class differences and significant intra-class variance. Existing methods often rely on additional annotations for…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Pengxiang Gao , Yihao Liang , Yanzhi Song , Zhouwang Yang

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

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

Fine-grained visual classification aims to recognize objects belonging to many subordinate categories of a supercategory, where appearance alone often fails to distinguish highly similar classes. We propose a unified framework that…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Sumit Mamtani , Yash Thesia

Intra-class variability is given according to the significance in the degree of dissimilarity between images within a class. In that sense, depending on its intensity, intra-class variability can hinder the learning process for DL models,…

Artificial Intelligence · Computer Science 2025-12-24 Luciano Araujo Dourado Filho , Rodrigo Tripodi Calumby

Pre-trained vision-language models (VLMs) have shown remarkable generalization capabilities via prompting, which leverages VLMs as knowledge bases to extract information beneficial for downstream tasks. However, existing methods primarily…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Xiaoyu Qiu , Hao Feng , Yuechen Wang , Wengang Zhou , Houqiang Li

CLIP (Contrastive Language-Image Pretraining) is well-developed for open-vocabulary zero-shot image-level recognition, while its applications in pixel-level tasks are less investigated, where most efforts directly adopt CLIP features…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Jie Guo , Qimeng Wang , Yan Gao , Xiaolong Jiang , Xu Tang , Yao Hu , Baochang Zhang

Fine-grained image classification is a challenging task due to the large intra-class variance and small inter-class variance, aiming at recognizing hundreds of sub-categories belonging to the same basic-level category. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2017-11-29 Xiangteng He , Yuxin Peng

Multimodal multilabel classification (MMC) is a challenging task that aims to design a learning algorithm to handle two data sources, the image and text, and learn a comprehensive semantic feature presentation across the modalities. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Yanming Guo

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

Most existing vision-language pre-training methods focus on understanding tasks and use BERT-like objectives (masked language modeling and image-text matching) during pretraining. Although they perform well in many understanding downstream…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Tianyi Liu , Zuxuan Wu , Wenhan Xiong , Jingjing Chen , Yu-Gang Jiang

In recent years, soft prompt learning methods have been proposed to fine-tune large-scale vision-language pre-trained models for various downstream tasks. These methods typically combine learnable textual tokens with class tokens as input…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Yingjie Tian , Yiqi Wang , Xianda Guo , Zheng Zhu , Long Chen

Large-scale contrastive vision-language pre-training has shown significant progress in visual representation learning. Unlike traditional visual systems trained by a fixed set of discrete labels, a new paradigm was introduced in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Peng Gao , Shijie Geng , Renrui Zhang , Teli Ma , Rongyao Fang , Yongfeng Zhang , Hongsheng Li , Yu Qiao

Pre-trained vision-language (V-L) models such as CLIP have shown excellent generalization ability to downstream tasks. However, they are sensitive to the choice of input text prompts and require careful selection of prompt templates to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Muhammad Uzair Khattak , Hanoona Rasheed , Muhammad Maaz , Salman Khan , Fahad Shahbaz Khan

Despite the success of Vision-Language Models (VLMs) like CLIP in aligning vision and language, their proficiency in detailed, fine-grained visual comprehension remains a key challenge. We present CLIP-IN, a novel framework that bolsters…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Ziteng Wang , Siqi Yang , Limeng Qiao , Lin Ma

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

In recent times, Vision-Language Models (VLMs) have been trained under two predominant paradigms. Generative training has enabled Multimodal Large Language Models (MLLMs) to tackle various complex tasks, yet issues such as hallucinations…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Wei Chow , Juncheng Li , Qifan Yu , Kaihang Pan , Hao Fei , Zhiqi Ge , Shuai Yang , Siliang Tang , Hanwang Zhang , Qianru Sun

Prompt tuning, like CoOp, has recently shown promising vision recognizing and transfer learning ability on various downstream tasks with the emergence of large pre-trained vision-language models like CLIP. However, we identify that existing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Yongzhu Miao , Shasha Li , Jintao Tang , Ting Wang