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Semi-supervised learning (SSL) uses unlabeled data during training to learn better models. Previous studies on SSL for medical image segmentation focused mostly on improving model generalization to unseen data. In some applications,…

Modern deep learning-based 3D pose estimation approaches require plenty of 3D pose annotations. However, existing 3D datasets lack diversity, which limits the performance of current methods and their generalization ability. Although…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Zhongwei Qiu , Kai Qiu , Jianlong Fu , Dongmei Fu

Self-supervised learning (SSL) has emerged as a promising solution for addressing the challenge of limited labeled data in deep neural networks (DNNs), offering scalability potential. However, the impact of design dependencies within the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Shruthi Gowda , Elahe Arani , Bahram Zonooz

For many practical problems and applications, it is not feasible to create a vast and accurately labeled dataset, which restricts the application of deep learning in many areas. Semi-supervised learning algorithms intend to improve…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Mert Kayhan , Okan Köpüklü , Mhd Hasan Sarhan , Mehmet Yigitsoy , Abouzar Eslami , Gerhard Rigoll

Semantic understanding of 3D point cloud relies on learning models with massively annotated data, which, in many cases, are expensive or difficult to collect. This has led to an emerging research interest in semi-supervised learning (SSL)…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Xian Shi , Xun Xu , Wanyue Zhang , Xiatian Zhu , Chuan Sheng Foo , Kui Jia

We are interested in representation learning from labeled or unlabeled data. Inspired by recent success of self-supervised learning (SSL), we develop a non-contrastive representation learning method that can exploit additional knowledge.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Ajinkya Tejankar , Soroush Abbasi Koohpayegani , Hamed Pirsiavash

Progress has been achieved recently in object detection given advancements in deep learning. Nevertheless, such tools typically require a large amount of training data and significant manual effort to label objects. This limits their…

Robotics · Computer Science 2017-08-04 Chaitanya Mitash , Kostas E. Bekris , Abdeslam Boularias

Human pose estimation is a fundamental and challenging task in computer vision. Larger-scale and more accurate keypoint annotations, while helpful for improving the accuracy of supervised pose estimation, are often expensive and difficult…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Kexin Meng , Ruirui Li , Daguang Jiang

We investigate the role of self-supervised learning (SSL) in the context of few-shot learning. Although recent research has shown the benefits of SSL on large unlabeled datasets, its utility on small datasets is relatively unexplored. We…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Jong-Chyi Su , Subhransu Maji , Bharath Hariharan

Self-supervised learning (SSL) to learn high-level speech representations has been a popular approach to building Automatic Speech Recognition (ASR) systems in low-resource settings. However, the common assumption made in literature is that…

Computation and Language · Computer Science 2023-05-19 Ashish Seth , Lodagala V S V Durga Prasad , Sreyan Ghosh , S. Umesh

Deep learning is pushing the state-of-the-art in many computer vision applications. However, it relies on large annotated data repositories, and capturing the unconstrained nature of the real-world data is yet to be solved. Semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Mamshad Nayeem Rizve , Navid Kardan , Mubarak Shah

Self-supervised Learning (SSL) including the mainstream contrastive learning has achieved great success in learning visual representations without data annotations. However, most methods mainly focus on the instance level information (\ie,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Mingkai Zheng , Shan You , Fei Wang , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

We present a self-supervised learning algorithm for 3D human pose estimation of a single person based on a multiple-view camera system and 2D body pose estimates for each view. To train our model, represented by a deep neural network, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Arij Bouazizi , Julian Wiederer , Ulrich Kressel , Vasileios Belagiannis

Pretraining on large labeled datasets is a prerequisite to achieve good performance in many computer vision tasks like 2D object recognition, video classification etc. However, pretraining is not widely used for 3D recognition tasks where…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Zaiwei Zhang , Rohit Girdhar , Armand Joulin , Ishan Misra

Semi-Supervised Learning (SSL) has become a preferred paradigm in many deep learning tasks, which reduces the need for human labor. Previous studies primarily focus on effectively utilising the labelled and unlabeled data to improve…

Machine Learning · Computer Science 2024-10-29 Qian Shao , Jiangrui Kang , Qiyuan Chen , Zepeng Li , Hongxia Xu , Yiwen Cao , Jiajuan Liang , Jian Wu

This work addresses the problem of estimating the full body 3D human pose and shape from a single color image. This is a task where iterative optimization-based solutions have typically prevailed, while Convolutional Networks (ConvNets)…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Georgios Pavlakos , Luyang Zhu , Xiaowei Zhou , Kostas Daniilidis

Encouraged by the success of contrastive learning on image classification tasks, we propose a new self-supervised method for the structured regression task of 3D hand pose estimation. Contrastive learning makes use of unlabeled data for the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Adrian Spurr , Aneesh Dahiya , Xi Wang , Xucong Zhang , Otmar Hilliges

Self-supervised learning (SSL) pipelines differ in many design choices such as the architecture, augmentations, or pretraining data. Yet SSL is typically evaluated using a single metric: linear probing on ImageNet. This does not provide…

Machine Learning · Computer Science 2024-01-09 Yann Dubois , Tatsunori Hashimoto , Percy Liang

Self-Supervised Learning (SSL) models rely on a pretext task to learn representations. Because this pretext task differs from the downstream tasks used to evaluate the performance of these models, there is an inherent misalignment or…

Machine Learning · Computer Science 2023-04-12 Florian Bordes , Samuel Lavoie , Randall Balestriero , Nicolas Ballas , Pascal Vincent

Self-Supervised Learning (SSL) is at the core of training modern large machine learning models, providing a scheme for learning powerful representations that can be used in a variety of downstream tasks. However, SSL strategies must be…

High Energy Physics - Phenomenology · Physics 2025-02-26 Philip Harris , Michael Kagan , Jeffrey Krupa , Benedikt Maier , Nathaniel Woodward