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This paper tackles the problem of semi-supervised learning when the set of labeled samples is limited to a small number of images per class, typically less than 10, problem that we refer to as barely-supervised learning. We analyze in depth…

计算机视觉与模式识别 · 计算机科学 2021-12-23 Thomas Lucas , Philippe Weinzaepfel , Gregory Rogez

Weak supervision learning on classification labels has demonstrated high performance in various tasks, while a few pixel-level fine annotations are also affordable. Naturally a question comes to us that whether the combination of…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Jiahui Li , Wen Chen , Xiaodi Huang , Zhiqiang Hu , Qi Duan , Hongsheng Li , Dimitris N. Metaxas , Shaoting Zhang

Partial label learning (PLL) is a typical weakly supervised learning problem in which each instance is associated with a candidate label set, and among which only one is true. However, the assumption that the ground-truth label is always…

人工智能 · 计算机科学 2023-08-30 Yu Shi , Ning Xu , Hua Yuan , Xin Geng

The crux of semi-supervised semantic segmentation is to assign adequate pseudo-labels to the pixels of unlabeled images. A common practice is to select the highly confident predictions as the pseudo ground-truth, but it leads to a problem…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Yuchao Wang , Haochen Wang , Yujun Shen , Jingjing Fei , Wei Li , Guoqiang Jin , Liwei Wu , Rui Zhao , Xinyi Le

Active learning aims to alleviate the amount of labor involved in data labeling by automating the selection of unlabeled samples via an acquisition function. For example, variational adversarial active learning (VAAL) leverages an…

机器学习 · 计算机科学 2024-08-26 Zongyao Lyu , William J. Beksi

We tackle biomedical image segmentation in the scenario of only a few labeled brain MR images. This is an important and challenging task in medical applications, where manual annotations are time-consuming. Current multi-atlas based…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Hyeon Woo Lee , Mert R. Sabuncu , Adrian V. Dalca

With basic Semi-Supervised Object Detection (SSOD) techniques, one-stage detectors generally obtain limited promotions compared with two-stage clusters. We experimentally find that the root lies in two kinds of ambiguities: (1) Selection…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Chang Liu , Weiming Zhang , Xiangru Lin , Wei Zhang , Xiao Tan , Junyu Han , Xiaomao Li , Errui Ding , Jingdong Wang

Semi-supervised semantic segmentation aims to learn from a small amount of labeled data and plenty of unlabeled ones for the segmentation task. The most common approach is to generate pseudo-labels for unlabeled images to augment the…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Rui Chen , Tao Chen , Qiong Wang , Yazhou Yao

Prompt learning has gained significant attention as a parameter-efficient approach for adapting large pre-trained vision-language models to downstream tasks. However, when only partial labels are available, its performance is often limited…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Yaqi Zhao , Haoliang Sun , Yating Wang , Yongshun Gong , Yilong Yin

Supervised deep learning-based methods yield accurate results for medical image segmentation. However, they require large labeled datasets for this, and obtaining them is a laborious task that requires clinical expertise.…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Krishna Chaitanya , Ertunc Erdil , Neerav Karani , Ender Konukoglu

In this paper, we aim at tackling a general but interesting cross-modality feature learning question in remote sensing community --- can a limited amount of highly-discrimin-ative (e.g., hyperspectral) training data improve the performance…

计算机视觉与模式识别 · 计算机科学 2019-12-19 Danfeng Hong , Naoto Yokoya , Nan Ge , Jocelyn Chanussot , Xiao Xiang Zhu

Semi-supervised learning (SSL) has been extensively studied to improve the generalization ability of deep neural networks for visual recognition. To involve the unlabelled data, most existing SSL methods are based on common density-based…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Suichan Li , Bin Liu , Dongdong Chen , Qi Chu , Lu Yuan , Nenghai Yu

Semi-supervised learning (SSL) is a common approach to learning predictive models using not only labeled examples, but also unlabeled examples. While SSL for the simple tasks of classification and regression has received a lot of attention…

机器学习 · 计算机科学 2024-04-02 Jurica Levatić , Michelangelo Ceci , Dragi Kocev , Sašo Džeroski

Semi-supervised action recognition aims to improve spatio-temporal reasoning ability with a few labeled data in conjunction with a large amount of unlabeled data. Albeit recent advancements, existing powerful methods are still prone to…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Yu Wang , Sanping Zhou , Kun Xia , Le Wang

Only learning one projection matrix from original samples to the corresponding binary labels is too strict and will consequentlly lose some intrinsic geometric structures of data. In this paper, we propose a novel transition subspace…

计算机视觉与模式识别 · 计算机科学 2019-06-17 Zhe Chen , Xiao-Jun Wu , Josef Kittler

We explore the value of weak labels in learning transferable representations for medical images. Compared to hand-labeled datasets, weak or inexact labels can be acquired in large quantities at significantly lower cost and can provide…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Boon Peng Yap , Beng Koon Ng

This paper looks at semi-supervised learning (SSL) for image-based text recognition. One of the most popular SSL approaches is pseudo-labeling (PL). PL approaches assign labels to unlabeled data before re-training the model with a…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Gaurav Patel , Jan Allebach , Qiang Qiu

Classification predicts classes of objects using the knowledge learned during the training phase. This process requires learning from labeled samples. However, the labeled samples usually limited. Annotation process is annoying, tedious,…

机器学习 · 计算机科学 2017-06-06 Shahira Shaaban Azab , Mohamed Farouk Abdel Hady , Hesham Ahmed Hefny

Recent semi-supervised learning (SSL) methods typically include a filtering strategy to improve the quality of pseudo labels. However, these filtering strategies are usually hand-crafted and do not change as the model is updated, resulting…

机器学习 · 计算机科学 2023-09-19 Lei Zhu , Zhanghan Ke , Rynson Lau

Hyperspectral image (HSI) classification, which aims to assign an accurate label for hyperspectral pixels, has drawn great interest in recent years. Although low rank representation (LRR) has been used to classify HSI, its ability to…

计算机视觉与模式识别 · 计算机科学 2019-05-08 Qi Wang , Xiange He , Xuelong Li