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Studies show that refining real-world categories into semantic subcategories contributes to better image modeling and classification. Previous image sub-categorization work relying on labeled images and WordNet's hierarchy is not only…

Multimedia · Computer Science 2017-03-17 Yazhou Yao , Jian Zhang , Fumin Shen , Xiansheng Hua , Wankou Yang , Zhenmin Tang

In recent years, the performance of object detection has advanced significantly with the evolving deep convolutional neural networks. However, the state-of-the-art object detection methods still rely on accurate bounding box annotations…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Qingyi Tao , Hao Yang , Jianfei Cai

Using deep learning, we now have the ability to create exceptionally good semantic segmentation systems; however, collecting the prerequisite pixel-wise annotations for training images remains expensive and time-consuming. Therefore, it…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

Large-scale datasets possessing clean label annotations are crucial for training Convolutional Neural Networks (CNNs). However, labeling large-scale data can be very costly and error-prone, and even high-quality datasets are likely to…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Yisen Wang , Weiyang Liu , Xingjun Ma , James Bailey , Hongyuan Zha , Le Song , Shu-Tao Xia

The usage of machine learning models has grown substantially and is spreading into several application domains. A common need in using machine learning models is collecting the data required to train these models. In some cases, labeling a…

Machine Learning · Computer Science 2019-09-19 Chidubem Arachie , Bert Huang

Deep neural networks (DNNs) fail to learn effectively under label noise and have been shown to memorize random labels which affect their generalization performance. We consider learning in isolation, using one-hot encoded labels as the sole…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Fahad Sarfraz , Elahe Arani , Bahram Zonooz

Recently many research efforts have been devoted to image annotation by leveraging on the associated tags/keywords of web images as training labels. A key issue to resolve is the relatively low accuracy of the tags. In this paper, we…

Multimedia · Computer Science 2011-07-15 Jinhui Tang , Shuicheng Yan , Tat-Seng Chua , Ramesh Jain

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…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Li Niu , Ashok Veeraraghavan , Ashu Sabharwal

Long-tailed learning has attracted much attention recently, with the goal of improving generalisation for tail classes. Most existing works use supervised learning without considering the prevailing noise in the training dataset. To move…

Machine Learning · Computer Science 2021-08-27 Tong Wei , Jiang-Xin Shi , Wei-Wei Tu , Yu-Feng Li

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

Training deep learning based video classifiers for action recognition requires a large amount of labeled videos. The labeling process is labor-intensive and time-consuming. On the other hand, large amount of weakly-labeled images are…

Computer Vision and Pattern Recognition · Computer Science 2017-08-04 Junnan Li , Yongkang Wong , Qi Zhao , Mohan Kankanhalli

Because large, human-annotated datasets suffer from labeling errors, it is crucial to be able to train deep neural networks in the presence of label noise. While training image classification models with label noise have received much…

Machine Learning · Computer Science 2019-03-19 Ishan Jindal , Daniel Pressel , Brian Lester , Matthew Nokleby

One-hot labels do not represent soft decision boundaries among concepts, and hence, models trained on them are prone to overfitting. Using soft labels as targets provide regularization, but different soft labels might be optimal at…

Machine Learning · Computer Science 2020-09-22 Nidhi Vyas , Shreyas Saxena , Thomas Voice

Current weakly-supervised incremental learning for semantic segmentation (WILSS) approaches only consider replacing pixel-level annotations with image-level labels, while the training images are still from well-designed datasets. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Chang Liu , Giulia Rizzoli , Pietro Zanuttigh , Fu Li , Yi Niu

Label noise widely exists in large-scale datasets and significantly degenerates the performances of deep learning algorithms. Due to the non-identifiability of the instance-dependent noise transition matrix, most existing algorithms address…

Machine Learning · Computer Science 2023-05-16 Hanwen Deng , Weijia Zhang , Min-Ling Zhang

Robustness to label noise within data is a significant challenge in federated learning (FL). From the data-centric perspective, the data quality of distributed datasets can not be guaranteed since annotations of different clients contain…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Xuefeng Jiang , Jia Li , Nannan Wu , Zhiyuan Wu , Xujing Li , Sheng Sun , Gang Xu , Yuwei Wang , Qi Li , Min Liu

The remarkable success of today's deep neural networks highly depends on a massive number of correctly labeled data. However, it is rather costly to obtain high-quality human-labeled data, leading to the active research area of training…

Machine Learning · Computer Science 2020-11-04 Jiacheng Wang , Yue Ma , Shuang Gao

Existing weakly-supervised semantic segmentation methods using image-level annotations typically rely on initial responses to locate object regions. However, such response maps generated by the classification network usually focus on…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Yu-Ting Chang , Qiaosong Wang , Wei-Chih Hung , Robinson Piramuthu , Yi-Hsuan Tsai , Ming-Hsuan Yang

Active learning aims to reduce labeling efforts by selectively asking humans to annotate the most important data points from an unlabeled pool and is an example of human-machine interaction. Though active learning has been extensively…

Machine Learning · Computer Science 2020-01-31 Hongjing Zhang , S. S. Ravi , Ian Davidson

Deep learning has achieved excellent performance in various computer vision tasks, but requires a lot of training examples with clean labels. It is easy to collect a dataset with noisy labels, but such noise makes networks overfit seriously…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Kun Yi , Guo-Hua Wang , Jianxin Wu