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We consider the general problem of utilizing both labeled and unlabeled data to improve data representation performance. A new semi-supervised learning framework is proposed by combing manifold regularization and data representation methods…

机器学习 · 计算机科学 2015-02-16 Weiya Ren

The large amount of audiovisual content being shared online today has drawn substantial attention to the prospect of audiovisual self-supervised learning. Recent works have focused on each of these modalities separately, while others have…

机器学习 · 计算机科学 2021-06-18 Pingchuan Ma , Rodrigo Mira , Stavros Petridis , Björn W. Schuller , Maja Pantic

Transfer learning from large-scale pre-trained models has become essential for many computer vision tasks. Recent studies have shown that datasets like ImageNet are weakly labeled since images with multiple object classes present are…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Sai Rajeswar , Pau Rodriguez , Soumye Singhal , David Vazquez , Aaron Courville

The pretrain-finetune paradigm in modern computer vision facilitates the success of self-supervised learning, which tends to achieve better transferability than supervised learning. However, with the availability of massive labeled data, a…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Chengkun Wang , Wenzhao Zheng , Zheng Zhu , Jie Zhou , Jiwen Lu

In this work, we propose a simple yet effective semi-supervised learning approach called Augmented Distribution Alignment. We reveal that an essential sampling bias exists in semi-supervised learning due to the limited number of labeled…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Qin Wang , Wen Li , Luc Van Gool

Self-supervised learning allows AI systems to learn effective representations from large amounts of data using tasks that do not require costly labeling. Mode collapse, i.e., the model producing identical representations for all inputs, is…

机器学习 · 计算机科学 2022-09-19 Serdar Ozsoy , Shadi Hamdan , Sercan Ö. Arik , Deniz Yuret , Alper T. Erdogan

This paper proposes a novel method of learning by predicting view assignments with support samples (PAWS). The method trains a model to minimize a consistency loss, which ensures that different views of the same unlabeled instance are…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Mahmoud Assran , Mathilde Caron , Ishan Misra , Piotr Bojanowski , Armand Joulin , Nicolas Ballas , Michael Rabbat

Fine-tuning vision-language models (VLMs) with large amounts of unlabeled data has recently garnered significant interest. However, a key challenge remains the lack of high-quality pseudo-labeled data. Current pseudo-labeling strategies…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Hairui Ren , Fan Tang , He Zhao , Zixuan Wang , Dandan Guo , Yi Chang

Image classification is a challenging problem for computer in reality. Large numbers of methods can achieve satisfying performances with sufficient labeled images. However, labeled images are still highly limited for certain image…

计算机视觉与模式识别 · 计算机科学 2020-11-12 Hongfeng Li

Continual learning aims to learn new tasks incrementally using less computation and memory resources instead of retraining the model from scratch whenever new task arrives. However, existing approaches are designed in supervised fashion…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Jiangpeng He , Fengqing Zhu

Full-reference (FR) image quality assessment (IQA) evaluates the visual quality of a distorted image by measuring its perceptual difference with pristine-quality reference, and has been widely used in low-level vision tasks. Pairwise…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Yue Cao , Zhaolin Wan , Dongwei Ren , Zifei Yan , Wangmeng Zuo

Recent semi-supervised learning methods have shown to achieve comparable results to their supervised counterparts while using only a small portion of labels in image classification tasks thanks to their regularization strategies. In this…

机器学习 · 计算机科学 2020-09-25 Wei-Hong Li , Chuan-Sheng Foo , Hakan Bilen

Semi-supervised techniques have removed the barriers of large scale labelled set by exploiting unlabelled data to improve the performance of a model. In this paper, we propose a semi-supervised deep multi-task classification and…

计算机视觉与模式识别 · 计算机科学 2020-08-12 R. M. Saad Bashir , Talha Qaiser , Shan E Ahmed Raza , Nasir M. Rajpoot

Unsupervised domain adaptation (UDA) aims to predict unlabeled data from target domain with access to labeled data from the source domain. In this work, we propose a novel framework called SIDA (Surrogate Mutual Information Maximization…

机器学习 · 计算机科学 2022-10-18 Haiteng Zhao , Chang Ma , Qinyu Chen , Zhi-Hong Deng

We introduce the Mutual Information Machine (MIM), a novel formulation of representation learning, using a joint distribution over the observations and latent state in an encoder/decoder framework. Our key principles are symmetry and mutual…

机器学习 · 统计学 2019-10-10 Micha Livne , Kevin Swersky , David J. Fleet

Discriminative learning, restorative learning, and adversarial learning have proven beneficial for self-supervised learning schemes in computer vision and medical imaging. Existing efforts, however, omit their synergistic effects on each…

计算机视觉与模式识别 · 计算机科学 2022-04-25 Fatemeh Haghighi , Mohammad Reza Hosseinzadeh Taher , Michael B. Gotway , Jianming Liang

Unsupervised learning algorithms are beginning to achieve accuracies comparable to their supervised counterparts on benchmark computer vision tasks, but their utility for practical applications has not yet been demonstrated. In this work,…

计算机视觉与模式识别 · 计算机科学 2022-01-13 Jeremiah W. Johnson , Swathi Hari , Donald Hampton , Hyunju K. Connor , Amy Keesee

Recent advances in weakly supervised classification allow us to train a classifier only from positive and unlabeled (PU) data. However, existing PU classification methods typically require an accurate estimate of the class-prior…

机器学习 · 统计学 2022-06-22 Tomoya Sakai , Gang Niu , Masashi Sugiyama

In semantic segmentation, the creation of pixel-level labels for training data incurs significant costs. To address this problem, semi-supervised learning, which utilizes a small number of labeled images alongside unlabeled images to…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Takahiro Mano , Reiji Saito , Kazuhiro Hotta

A major goal of unsupervised learning is to discover data representations that are useful for subsequent tasks, without access to supervised labels during training. Typically, this involves minimizing a surrogate objective, such as the…

机器学习 · 计算机科学 2019-02-27 Luke Metz , Niru Maheswaranathan , Brian Cheung , Jascha Sohl-Dickstein