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Despite the empirical successes of self-supervised learning (SSL) methods, it is unclear what characteristics of their representations lead to high downstream accuracies. In this work, we characterize properties that SSL representations…

机器学习 · 计算机科学 2022-12-13 Yann Dubois , Tatsunori Hashimoto , Stefano Ermon , Percy Liang

Self-supervised learning (SSL) has produced a diverse landscape of vision transformers (ViTs) whose pretrained representations support a wide range of downstream tasks. Towards a better understanding of these models, a body of work has…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Xiaoyan Yu , Lisa Mais , Jannik Franzen , Peter Hirsch , Nick Lechtenbörger , Andreas Mardt , Dagmar Kainmüller

Self-supervised learning (SSL) methods aim to learn view-invariant representations by maximizing the similarity between the features extracted from different crops of the same image regardless of cropping size and content. In essence, this…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Tong Zhang , Congpei Qiu , Wei Ke , Sabine Süsstrunk , Mathieu Salzmann

Self-supervised learning (SSL) is one strategy for addressing the paucity of labelled data in medical imaging by learning representations from unlabelled images. Contrastive and non-contrastive SSL methods produce learned representations…

图像与视频处理 · 电气工程与系统科学 2024-03-13 Blake VanBerlo , Alexander Wong , Jesse Hoey , Robert Arntfield

Recently, great progress has been made in 3D deep learning with the emergence of deep neural networks specifically designed for 3D point clouds. These networks are often trained from scratch or from pre-trained models learned purely from…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Bach Tran , Binh-Son Hua , Anh Tuan Tran , Minh Hoai

Semi-supervised learning (SSL) is a promising approach for training deep classification models using labeled and unlabeled datasets. However, existing SSL methods rely on a large unlabeled dataset, which may not always be available in many…

机器学习 · 计算机科学 2023-09-29 Shin'ya Yamaguchi

Self-supervised learning (SSL) has become a popular method for generating invariant representations without the need for human annotations. Nonetheless, the desired invariant representation is achieved by utilising prior online…

机器学习 · 计算机科学 2024-09-30 Foivos Ntelemis , Yaochu Jin , Spencer A. Thomas

The rapid advancement in self-supervised representation learning has highlighted its potential to leverage unlabeled data for learning rich visual representations. However, the existing techniques, particularly those employing different…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Sana Ayromlou , Vahid Reza Khazaie , Fereshteh Forghani , Arash Afkanpour

Weighted twin support vector machines (WLTSVM) mines as much potential similarity information in samples as possible to improve the common short-coming of non-parallel plane classifiers. Compared with twin support vector machines (TWSVM),…

机器学习 · 统计学 2022-01-28 Ruxin Xu , Huiru Wang

Videos are a rich source for self-supervised learning (SSL) of visual representations due to the presence of natural temporal transformations of objects. However, current methods typically randomly sample video clips for learning, which…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Brian Chen , Ramprasaath R. Selvaraju , Shih-Fu Chang , Juan Carlos Niebles , Nikhil Naik

Reward and representation learning are two long-standing challenges for learning an expanding set of robot manipulation skills from sensory observations. Given the inherent cost and scarcity of in-domain, task-specific robot data, learning…

机器人学 · 计算机科学 2023-03-08 Yecheng Jason Ma , Shagun Sodhani , Dinesh Jayaraman , Osbert Bastani , Vikash Kumar , Amy Zhang

Support Vector Machines (SVM), a popular machine learning technique, has been applied to a wide range of domains such as science, finance, and social networks for supervised learning. Whether it is identifying high-risk patients by…

分布式、并行与集群计算 · 计算机科学 2014-06-20 Jeyanthi Narasimhan , Abhinav Vishnu , Lawrence Holder , Adolfy Hoisie

We present SSL-HV: Self-Supervised Learning approaches applied to the task of Handwriting Verification. This task involves determining whether a given pair of handwritten images originate from the same or different writer distribution. We…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Mihir Chauhan , Mohammad Abuzar Hashemi , Abhishek Satbhai , Mir Basheer Ali , Bina Ramamurthy , Mingchen Gao , Siwei Lyu , Sargur Srihari

(Very early draft)Traditional supervised learning keeps pushing convolution neural network(CNN) achieving state-of-art performance. However, lack of large-scale annotation data is always a big problem due to the high cost of it, even…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Zhibo Wang , Shen Yan , Xiaoyu Zhang , Niels Lobo

Ensembling has proven to be a powerful technique for boosting model performance, uncertainty estimation, and robustness in supervised learning. Advances in self-supervised learning (SSL) enable leveraging large unlabeled corpora for…

Most successful self-supervised learning methods are trained to align the representations of two independent views from the data. State-of-the-art methods in video are inspired by image techniques, where these two views are similarly…

Self-supervised learning (SSL) is a powerful technique for learning from unlabeled data. By learning to remain invariant to applied data augmentations, methods such as SimCLR and MoCo can reach quality on par with supervised approaches.…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Marcin Przewięźlikowski , Mateusz Pyla , Bartosz Zieliński , Bartłomiej Twardowski , Jacek Tabor , Marek Śmieja

Recently, the self-supervised pre-training paradigm has shown great potential in leveraging large-scale unlabeled data to improve downstream task performance. However, increasing the scale of unlabeled pre-training data in real-world…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Yiqi Lin , Huabin Zheng , Huaping Zhong , Jinjing Zhu , Weijia Li , Conghui He , Lin Wang

Due to its deficiency in prior knowledge (inductive bias), Vision Transformer (ViT) requires pre-training on large-scale datasets to perform well. Moreover, the growing layers and parameters in ViT models impede their applicability to…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Chenhao Xu , Chang-Tsun Li , Chee Peng Lim , Douglas Creighton

We present Consistent Assignment of Views over Random Partitions (CARP), a self-supervised clustering method for representation learning of visual features. CARP learns prototypes in an end-to-end online fashion using gradient descent…

计算机视觉与模式识别 · 计算机科学 2023-10-30 Thalles Silva , Adín Ramírez Rivera