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A video dataset that is designed to study fine-grained categorisation of pedestrians is introduced. Pedestrians were recorded "in-the-wild" from a moving vehicle. Annotations include bounding boxes, tracks, 14 keypoints with occlusion…

Computer Vision and Pattern Recognition · Computer Science 2016-05-23 David Hall , Pietro Perona

Vehicle shape information is very important in Intelligent Traffic Systems (ITS). In this paper we present a way to exploit a training data set of vehicles released in different years and captured under different perspectives. Also the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Mohamed Nafzi , Michael Brauckmann , Tobias Glasmachers

The era of pre-trained models has ushered in a wealth of new insights for the machine learning community. Among the myriad of questions that arise, one of paramount importance is: 'Do pre-trained models possess comprehensive knowledge?'…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Da-Wei Zhou , Zhi-Hong Qi , Han-Jia Ye , De-Chuan Zhan

We present a novel deep convolutional neural network (DCNN) system for fine-grained image classification, called a mixture of DCNNs (MixDCNN). The fine-grained image classification problem is characterised by large intra-class variations…

Computer Vision and Pattern Recognition · Computer Science 2015-12-01 ZongYuan Ge , Alex Bewley , Christopher McCool , Ben Upcroft , Peter Corke , Conrad Sanderson

Research in autonomous driving for unstructured environments suffers from a lack of semantically labeled datasets compared to its urban counterpart. Urban and unstructured outdoor environments are challenging due to the varying lighting and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Kai A. Metzger , Peter Mortimer , Hans-Joachim Wuensche

AI systems must adapt to evolving visual environments, especially in domains where object appearances change over time. We introduce Car Models in Time (CaMiT), a fine-grained dataset capturing the temporal evolution of car models, a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Frédéric LIN , Biruk Abere Ambaw , Adrian Popescu , Hejer Ammar , Romaric Audigier , Hervé Le Borgne

Computer vision based fine-grained recognition has received great attention in recent years. Existing works focus on discriminative part localization and feature learning. In this paper, to improve the performance of fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 Hui Feng , Shanshan Wang , Shuzhi Sam Ge

In the context of fine-grained visual categorization, the ability to interpret models as human-understandable visual manuals is sometimes as important as achieving high classification accuracy. In this paper, we propose a novel Part-Stacked…

Computer Vision and Pattern Recognition · Computer Science 2019-08-17 Shaoli Huang , Zhe Xu , Dacheng Tao , Ya Zhang

A well-designed fine-grained categorization system usually has three contradictory requirements: accuracy (the ability to identify objects among subordinate categories); interpretability (the ability to provide human-understandable…

Computer Vision and Pattern Recognition · Computer Science 2016-10-05 Shaoli Huang , Dacheng Tao

This paper introduces FGVC-Aircraft, a new dataset containing 10,000 images of aircraft spanning 100 aircraft models, organised in a three-level hierarchy. At the finer level, differences between models are often subtle but always visually…

Computer Vision and Pattern Recognition · Computer Science 2013-06-24 Subhransu Maji , Esa Rahtu , Juho Kannala , Matthew Blaschko , Andrea Vedaldi

Remanufacturing describes a process where worn products are restored to like-new condition and it offers vast ecological and economic potentials. A key step is the quality inspection of disassembled components, which is mostly done manually…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Johannes C. Bauer , Paul Geng , Stephan Trattnig , Petr Dokládal , Rüdiger Daub

This paper proposes to go beyond the state-of-the-art deep convolutional neural network (CNN) by incorporating the information from object detection, focusing on dealing with fine-grained image classification. Unfortunately, CNN suffers…

Computer Vision and Pattern Recognition · Computer Science 2014-12-11 Xiaoyu Wang , Tianbao Yang , Guobin Chen , Yuanqing Lin

This paper presents experiments extending the work of Ba et al. (2014) on recurrent neural models for attention into less constrained visual environments, specifically fine-grained categorization on the Stanford Dogs data set. In this work…

Computer Vision and Pattern Recognition · Computer Science 2015-04-14 Pierre Sermanet , Andrea Frome , Esteban Real

Targeted socioeconomic policies require an accurate understanding of a country's demographic makeup. To that end, the United States spends more than 1 billion dollars a year gathering census data such as race, gender, education, occupation…

Computer Vision and Pattern Recognition · Computer Science 2017-09-11 Timnit Gebru , Jonathan Krause , Yilun Wang , Duyun Chen , Jia Deng , Li Fei-Fei

Current approaches for fine-grained recognition do the following: First, recruit experts to annotate a dataset of images, optionally also collecting more structured data in the form of part annotations and bounding boxes. Second, train a…

Computer Vision and Pattern Recognition · Computer Science 2016-10-19 Jonathan Krause , Benjamin Sapp , Andrew Howard , Howard Zhou , Alexander Toshev , Tom Duerig , James Philbin , Li Fei-Fei

Fine-grained classification often requires recognizing specific object parts, such as beak shape and wing patterns for birds. Encouraging a fine-grained classification model to first detect such parts and then using them to infer the class…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Robert van der Klis , Stephan Alaniz , Massimiliano Mancini , Cassio F. Dantas , Dino Ienco , Zeynep Akata , Diego Marcos

Compared to earlier multistage frameworks using CNN features, recent end-to-end deep approaches for fine-grained recognition essentially enhance the mid-level learning capability of CNNs. Previous approaches achieve this by introducing an…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Yaming Wang , Vlad I. Morariu , Larry S. Davis

Video-text retrieval has seen significant advancements, yet the ability of models to discern subtle differences in captions still requires verification. In this paper, we introduce a new approach for fine-grained evaluation. Our approach…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Aozhu Chen , Hazel Doughty , Xirong Li , Cees G. M. Snoek

Recent studies show that pretraining a deep neural network with fine-grained labeled data, followed by fine-tuning on coarse-labeled data for downstream tasks, often yields better generalization than pretraining with coarse-labeled data.…

Machine Learning · Computer Science 2024-12-11 Guan Zhe Hong , Yin Cui , Ariel Fuxman , Stanley Chan , Enming Luo

In this study, it is aimed to develop a deep learning application which detects types of garbage into trash in order to provide recyclability with vision system. Training and testing will be performed with image data consisting of several…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Umut Ozkaya , Levent Seyfi