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Self-supervised learning presents a remarkable performance to utilize unlabeled data for various video tasks. In this paper, we focus on applying the power of self-supervised methods to improve semi-supervised action proposal generation.…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Xiang Wang , Shiwei Zhang , Zhiwu Qing , Yuanjie Shao , Changxin Gao , Nong Sang

The paper presents a scalable approach for learning spatially distributed visual representations over individual tokens and a holistic instance representation simultaneously. We use self-attention blocks to represent spatially distributed…

计算机视觉与模式识别 · 计算机科学 2023-03-09 Zhirong Wu , Zihang Lai , Xiao Sun , Stephen Lin

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…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Kexin Meng , Ruirui Li , Daguang Jiang

Human action recognition from well-segmented 3D skeleton data has been intensively studied and has been attracting an increasing attention. Online action detection goes one step further and is more challenging, which identifies the action…

计算机视觉与模式识别 · 计算机科学 2016-07-27 Yanghao Li , Cuiling Lan , Junliang Xing , Wenjun Zeng , Chunfeng Yuan , Jiaying Liu

Skeleton-based human action recognition has recently attracted increasing attention thanks to the accessibility and the popularity of 3D skeleton data. One of the key challenges in skeleton-based action recognition lies in the large view…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Pengfei Zhang , Cuiling Lan , Junliang Xing , Wenjun Zeng , Jianru Xue , Nanning Zheng

The success of deep neural networks generally requires a vast amount of training data to be labeled, which is expensive and unfeasible in scale, especially for video collections. To alleviate this problem, in this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Longlong Jing , Xiaodong Yang , Jingen Liu , Yingli Tian

Skeletonization has been a popular shape analysis technique that models both the interior and exterior of an object. Existing template-based calculations of skeletal models from anatomical structures are a time-consuming manual process.…

计算机视觉与模式识别 · 计算机科学 2023-03-06 Ninad Khargonkar , Beatriz Paniagua , Jared Vicory

This paper presents SPeCiaL: a method for unsupervised pretraining of representations tailored for continual learning. Our approach devises a meta-learning objective that differentiates through a sequential learning process. Specifically,…

计算机视觉与模式识别 · 计算机科学 2021-06-18 Lucas Caccia , Joelle Pineau

In this work, we introduce LEAD, an approach to discover landmarks from an unannotated collection of category-specific images. Existing works in self-supervised landmark detection are based on learning dense (pixel-level) feature…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Tejan Karmali , Abhinav Atrishi , Sai Sree Harsha , Susmit Agrawal , Varun Jampani , R. Venkatesh Babu

Non-contrastive methods of self-supervised learning (such as BYOL and SimSiam) learn representations by minimizing the distance between two views of the same image. These approaches have achieved remarkable performance in practice, but the…

机器学习 · 计算机科学 2022-09-27 Xiang Wang , Xinlei Chen , Simon S. Du , Yuandong Tian

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…

高能物理 - 唯象学 · 物理学 2025-02-26 Philip Harris , Michael Kagan , Jeffrey Krupa , Benedikt Maier , Nathaniel Woodward

Estimating human pose, classifying actions, and predicting movement progress are essential for human-robot interaction. While vision-based methods suffer from occlusion and privacy concerns in realistic environments, tactile sensing avoids…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Isaac Han , Seoyoung Lee , Sangyeon Park , Ecehan Akan , Yiyue Luo , Joseph DelPreto , Kyung-Joong Kim

Self-supervised learning (SSL) approaches have shown promising capabilities in learning the representation from unlabeled data. Amongst them, momentum-based frameworks have attracted significant attention. Despite being a great success,…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Trung X. Pham , Axi Niu , Zhang Kang , Sultan Rizky Madjid , Ji Woo Hong , Daehyeok Kim , Joshua Tian Jin Tee , Chang D. Yoo

Multimodal imaging and correlative analysis typically require image alignment. Contrastive learning can generate representations of multimodal images, reducing the challenging task of multimodal image registration to a monomodal one.…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Elisabeth Wetzer , Joakim Lindblad , Nataša Sladoje

This paper presents a novel framework for learning robust bipedal walking by combining a data-driven state representation with a Reinforcement Learning (RL) based locomotion policy. The framework utilizes an autoencoder to learn a…

机器人学 · 计算机科学 2023-09-28 Guillermo A. Castillo , Bowen Weng , Wei Zhang , Ayonga Hereid

With the improved performance of deep learning, the number of studies trying to apply deep learning to human emotion analysis is increasing rapidly. But even with this trend going on, it is still difficult to obtain high-quality images and…

机器学习 · 计算机科学 2022-08-23 Hyungjun Lee , Hwangyu Lim , Sejoon Lim

We propose the use of self-supervised learning for human activity recognition with smartphone accelerometer data. Our proposed solution consists of two steps. First, the representations of unlabeled input signals are learned by training a…

信号处理 · 电气工程与系统科学 2021-09-03 Setareh Rahimi Taghanaki , Michael Rainbow , Ali Etemad

Imitation learning, in which learning is performed by demonstration, has been studied and advanced for sequential decision-making tasks in which a reward function is not predefined. However, imitation learning methods still require numerous…

机器学习 · 计算机科学 2024-01-24 Dahuin Jung , Hyungyu Lee , Sungroh Yoon

Representation learning becomes especially important for complex systems with multimodal data sources such as cameras or sensors. Recent advances in reinforcement learning and optimal control make it possible to design control algorithms on…

Camera captured human pose is an outcome of several sources of variation. Performance of supervised 3D pose estimation approaches comes at the cost of dispensing with variations, such as shape and appearance, that may be useful for solving…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Jogendra Nath Kundu , Siddharth Seth , Varun Jampani , Mugalodi Rakesh , R. Venkatesh Babu , Anirban Chakraborty