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Fine-grained classification remains a very challenging problem, because of the absence of well-labeled training data caused by the high cost of annotating a large number of fine-grained categories. In the extreme case, given a set of test…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Li Niu , Ashok Veeraraghavan , Ashu Sabharwal

Video recognition models are typically trained on fixed taxonomies which are often too coarse, collapsing distinctions in object, manner or outcome under a single label. As tasks and definitions evolve, such models cannot accommodate…

计算机视觉与模式识别 · 计算机科学 2026-02-19 Kaiting Liu , Hazel Doughty

Diffusion models excel at photorealistic synthesis but struggle with precise object counts, especially in high-density settings. We introduce COUNTLOOP, a training-free framework that achieves precise instance control through iterative,…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Anindya Mondal , Ayan Banerjee , Sauradip Nag , Josep Llados , Xiatian Zhu , Anjan Dutta

In this work we propose a novel attention-based neural network model for the task of fine-grained entity type classification that unlike previously proposed models recursively composes representations of entity mention contexts. Our model…

计算与语言 · 计算机科学 2016-04-20 Sonse Shimaoka , Pontus Stenetorp , Kentaro Inui , Sebastian Riedel

Class-agnostic counting (CAC) aims to count objects of interest from a query image given few exemplars. This task is typically addressed by extracting the features of query image and exemplars respectively and then matching their feature…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Zhicheng Wang , Liwen Xiao , Zhiguo Cao , Hao Lu

Fine-grained image classification is to recognize hundreds of subcategories belonging to the same basic-level category, such as 200 subcategories belonging to the bird, which is highly challenging due to large variance in the same…

计算机视觉与模式识别 · 计算机科学 2017-11-29 Yuxin Peng , Xiangteng He , Junjie Zhao

Large Language Models like ChatGPT demonstrate a remarkable capacity to learn new concepts during inference without any fine-tuning. However, visual models trained to detect new objects during inference have been unable to replicate this…

The aim of fine-grained recognition is to identify sub-ordinate categories in images like different species of birds. Existing works have confirmed that, in order to capture the subtle differences across the categories, automatic…

计算机视觉与模式识别 · 计算机科学 2017-03-30 Zhiqiang Shen , Yu-Gang Jiang , Dequan Wang , Xiangyang Xue

State-of-the-art methods for zero-shot visual recognition formulate learning as a joint embedding problem of images and side information. In these formulations the current best complement to visual features are attributes: manually encoded…

计算机视觉与模式识别 · 计算机科学 2016-05-19 Scott Reed , Zeynep Akata , Bernt Schiele , Honglak Lee

Fine-grained recognition is a challenging task due to the small intra-category variances. Most of top-performing fine-grained recognition methods leverage parts of objects for better performance. Therefore, part annotations which are…

计算机视觉与模式识别 · 计算机科学 2017-08-24 Long Chen , Junyu Dong , ShengKe Wang , Kin-Man Lam , Muwei Jian , Hua Zhang , XiaoChun Cao

Fine-grained recognition is challenging due to its subtle local inter-class differences versus large intra-class variations such as poses. A key to address this problem is to localize discriminative parts to extract pose-invariant features.…

计算机视觉与模式识别 · 计算机科学 2017-03-22 Xiao Liu , Tian Xia , Jiang Wang , Yi Yang , Feng Zhou , Yuanqing Lin

Visual classification can be divided into coarse-grained and fine-grained classification. Coarse-grained classification represents categories with a large degree of dissimilarity, such as the classification of cats and dogs, while…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Po-Yung Chou , Cheng-Hung Lin , Wen-Chung Kao

Fine-grained image classification, the task of distinguishing between visually similar subcategories within a broader category (e.g., bird species, car models, flower types), is a challenging computer vision problem. Traditional approaches…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Dmitry Demidov , Zaigham Zaheer , Omkar Thawakar , Salman Khan , Fahad Shahbaz Khan

We propose YOLO-Count, a differentiable open-vocabulary object counting model that tackles both general counting challenges and enables precise quantity control for text-to-image (T2I) generation. A core contribution is the 'cardinality'…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Guanning Zeng , Xiang Zhang , Zirui Wang , Haiyang Xu , Zeyuan Chen , Bingnan Li , Zhuowen Tu

We propose FineGAN, a novel unsupervised GAN framework, which disentangles the background, object shape, and object appearance to hierarchically generate images of fine-grained object categories. To disentangle the factors without…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Krishna Kumar Singh , Utkarsh Ojha , Yong Jae Lee

In many practical applications, coarse-grained labels are readily available compared to fine-grained labels that reflect subtle differences between classes. However, existing methods cannot leverage coarse labels to infer fine-grained…

机器学习 · 计算机科学 2024-06-18 Matej Grcić , Artyom Gadetsky , Maria Brbić

Extracting discriminative features plays a crucial role in the fine-grained visual classification task. Most of the existing methods focus on developing attention or augmentation mechanisms to achieve this goal. However, addressing the…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Tuong Do , Huy Tran , Erman Tjiputra , Quang D. Tran , Anh Nguyen

Current 3D scene segmentation methods are heavily dependent on manually annotated 3D training datasets. Such manual annotations are labor-intensive, and often lack fine-grained details. Importantly, models trained on this data typically…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Rui Huang , Songyou Peng , Ayca Takmaz , Federico Tombari , Marc Pollefeys , Shiji Song , Gao Huang , Francis Engelmann

This paper aims to count arbitrary objects in images. The leading counting approaches start from point annotations per object from which they construct density maps. Then, their training objective transforms input images to density maps…

计算机视觉与模式识别 · 计算机科学 2019-08-07 Zenglin Shi , Pascal Mettes , Cees G. M. Snoek

FungiCLEF 2024 addresses the fine-grained visual categorization (FGVC) of fungi species, with a focus on identifying poisonous species. This task is challenging due to the size and class imbalance of the dataset, subtle inter-class…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Christopher Chiu , Maximilian Heil , Teresa Kim , Anthony Miyaguchi