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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

The status quo approach to training object detectors requires expensive bounding box annotations. Our framework takes a markedly different direction: we transfer tracked object boxes from weakly-labeled videos to weakly-labeled images to…

Computer Vision and Pattern Recognition · Computer Science 2016-04-21 Krishna Kumar Singh , Fanyi Xiao , Yong Jae Lee

The accuracy and robustness of image classification with supervised deep learning are dependent on the availability of large-scale, annotated training data. However, there is a paucity of annotated data available due to the complexity of…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Euijoon Ahn , Ashnil Kumar , Dagan Feng , Michael Fulham , Jinman Kim

We consider the task of one-shot learning of visual categories. In this paper we explore a Bayesian procedure for updating a pretrained convnet to classify a novel image category for which data is limited. We decompose this convnet into a…

Machine Learning · Statistics 2017-07-19 Jordan Burgess , James Robert Lloyd , Zoubin Ghahramani

Teaching machines to recognize a new category based on few training samples especially only one remains challenging owing to the incomprehensive understanding of the novel category caused by the lack of data. However, human can learn new…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Fengyuan Yang , Ruiping Wang , Xilin Chen

We introduce a novel method that enables parameter-efficient transfer and multi-task learning with deep neural networks. The basic approach is to learn a model patch - a small set of parameters - that will specialize to each task, instead…

Machine Learning · Computer Science 2019-02-26 Pramod Kaushik Mudrakarta , Mark Sandler , Andrey Zhmoginov , Andrew Howard

We aim to provide a computationally cheap yet effective approach for fine-grained image classification (FGIC) in this letter. Unlike previous methods that rely on complex part localization modules, our approach learns fine-grained features…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Wei Luo , Hengmin Zhang , Jun Li , Xiu-Shen Wei

Few-shot learning that trains image classifiers over few labeled examples per category is a challenging task. In this paper, we propose to exploit an additional big dataset with different categories to improve the accuracy of few-shot…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Liangqu Long , Wei Wang , Jun Wen , Meihui Zhang , Qian Lin , Beng Chin Ooi

In the transfer learning paradigm models learn useful representations (or features) during a data-rich pretraining stage, and then use the pretrained representation to improve model performance on data-scarce downstream tasks. In this work,…

Machine Learning · Statistics 2025-04-14 Yufan Li , Subhabrata Sen , Ben Adlam

While neural networks have shown impressive performance on large datasets, applying these models to tasks where little data is available remains a challenging problem. In this paper we propose to use feature transfer in a zero-shot…

Computation and Language · Computer Science 2018-08-30 Javid Dadashkarimi , Alexander Fabbri , Sekhar Tatikonda , Dragomir R. Radev

Few-shot classification aims to carry out classification given only few labeled examples for the categories of interest. Though several approaches have been proposed, most existing few-shot learning (FSL) models assume that base and novel…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Yuan-Chia Cheng , Ci-Siang Lin , Fu-En Yang , Yu-Chiang Frank Wang

Single image-level annotations only correctly describe an often small subset of an image's content, particularly when complex real-world scenes are depicted. While this might be acceptable in many classification scenarios, it poses a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Markus Hiller , Rongkai Ma , Mehrtash Harandi , Tom Drummond

Few-Shot transfer learning has become a major focus of research as it allows recognition of new classes with limited labeled data. While it is assumed that train and test data have the same data distribution, this is often not the case in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Wenjian Wang , Lijuan Duan , Yuxi Wang , Junsong Fan , Zhi Gong , Zhaoxiang Zhang

A multitude of prevalent pre-trained models mark a major milestone in the development of artificial intelligence, while fine-tuning has been a common practice that enables pretrained models to figure prominently in a wide array of target…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Yunqiao Yang , Long-Kai Huang , Ying Wei

Semi-supervised learning is a challenging problem which aims to construct a model by learning from a limited number of labeled examples. Numerous methods have been proposed to tackle this problem, with most focusing on utilizing the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 Peng Tu , Yawen Huang , Rongrong Ji , Feng Zheng , Ling Shao

Fully supervised change detection methods require difficult to procure pixel-level labels, while weakly supervised approaches can be trained with image-level labels. However, most of these approaches require a combination of changed and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Philipp Andermatt , Radu Timofte

Weakly supervised LiDAR semantic segmentation has made significant strides with limited labeled data. However, most existing methods focus on the network training under weak supervision, while efficient annotation strategies remain largely…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Yilong Chen , Zongyi Xu , xiaoshui Huang , Ruicheng Zhang , Xinqi Jiang , Xinbo Gao

The problem of long-tailed recognition, where the number of examples per class is highly unbalanced, is considered. It is hypothesized that the well known tendency of standard classifier training to overfit to popular classes can be…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Bo Liu , Haoxiang Li , Hao Kang , Gang Hua , Nuno Vasconcelos

Low-shot learning methods for image classification support learning from sparse data. We extend these techniques to support dense semantic image segmentation. Specifically, we train a network that, given a small set of annotated images,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-12 Amirreza Shaban , Shray Bansal , Zhen Liu , Irfan Essa , Byron Boots

Few-shot learning (FSL) approaches are usually based on an assumption that the pre-trained knowledge can be obtained from base (seen) categories and can be well transferred to novel (unseen) categories. However, there is no guarantee,…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Bowen Wang , Liangzhi Li , Manisha Verma , Yuta Nakashima , Ryo Kawasaki , Hajime Nagahara