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相关论文: PPL: Point Cloud Supervised Proprioceptive Locomot…

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We introduce Point2Skeleton, an unsupervised method to learn skeletal representations from point clouds. Existing skeletonization methods are limited to tubular shapes and the stringent requirement of watertight input, while our method aims…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Cheng Lin , Changjian Li , Yuan Liu , Nenglun Chen , Yi-King Choi , Wenping Wang

Point clouds provide a flexible and natural representation usable in countless applications such as robotics or self-driving cars. Recently, deep neural networks operating on raw point cloud data have shown promising results on supervised…

机器学习 · 计算机科学 2019-06-04 Jonathan Sauder , Bjarne Sievers

Point cloud analysis has drawn broader attentions due to its increasing demands in various fields. Despite the impressive performance has been achieved on several databases, researchers neglect the fact that the orientation of those point…

计算机视觉与模式识别 · 计算机科学 2019-11-07 Xiao Sun , Zhouhui Lian , Jianguo Xiao

Place recognition is a fundamental component of robotics, and has seen tremendous improvements through the use of deep learning models in recent years. Networks can experience significant drops in performance when deployed in unseen or…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Joshua Knights , Peyman Moghadam , Milad Ramezani , Sridha Sridharan , Clinton Fookes

Point clouds have become increasingly vital across various applications thanks to their ability to realistically depict 3D objects and scenes. Nevertheless, effectively compressing unstructured, high-precision point cloud data remains a…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Hongning Ruan , Yulin Shao , Qianqian Yang , Liang Zhao , Dusit Niyato

Point cloud video (PCV) is a versatile 3D representation of dynamic scenes with emerging applications. This paper introduces U-Motion, a learning-based compression scheme for both PCV geometry and attributes. We propose a U-Structured…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Tingyu Fan , Yueyu Hu , Ran Gong , Yao Wang

State-of-the-art perceptive Reinforcement Learning controllers for legged robots either (i) impose oscillator or IK-based gait priors that constrain the action space, add bias to the policy optimization and reduce adaptability across robot…

机器人学 · 计算机科学 2025-10-22 Alexandros Ntagkas , Chairi Kiourt , Konstantinos Chatzilygeroudis

Self-supervised learning on point clouds has gained a lot of attention recently, since it addresses the label-efficiency and domain-gap problems on point cloud tasks. In this paper, we propose a novel self-supervised framework to learn…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Meng-Shiun Tsai , Pei-Ze Chiang , Yi-Hsuan Tsai , Wei-Chen Chiu

To date, various 3D scene understanding tasks still lack practical and generalizable pre-trained models, primarily due to the intricate nature of 3D scene understanding tasks and their immense variations introduced by camera views,…

计算机视觉与模式识别 · 计算机科学 2021-09-02 Siyuan Huang , Yichen Xie , Song-Chun Zhu , Yixin Zhu

Permanently Shadowed Regions (PSRs) near the lunar poles are of interest for future exploration due to their potential to contain water ice and preserve geological records. Their complex, uneven terrain favors the use of legged robots,…

机器人学 · 计算机科学 2025-10-23 Alberto Sanchez-Delgado , João Carlos Virgolino Soares , Victor Barasuol , Claudio Semini

Traditional approaches to stereo visual SLAM rely on point features to estimate the camera trajectory and build a map of the environment. In low-textured environments, though, it is often difficult to find a sufficient number of reliable…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Ruben Gomez-Ojeda , David Zuñiga-Noël , Francisco-Angel Moreno , Davide Scaramuzza , Javier Gonzalez-Jimenez

Collapsing terrains, often present in search and rescue missions or planetary exploration, pose significant challenges for quadruped robots. This paper introduces a robust locomotion framework for safe navigation over unstable surfaces by…

Robust imitation learning for robot manipulation requires comprehensive 3D perception, yet many existing methods struggle in cluttered environments. Fixed camera view approaches are vulnerable to perspective changes, and 3D point cloud…

机器人学 · 计算机科学 2025-07-08 Daqi Huang , Zhehao Cai , Yuzhi Hao , Zechen Li , Chee-Meng Chew

As both legged robots and embedded compute have become more capable, researchers have started to focus on field deployment of these robots. Robust autonomy in unstructured environments requires perception of the world around the robot in…

机器人学 · 计算机科学 2022-09-22 Hersh Sanghvi

Legged robots navigating crowded scenes and complex terrains in the real world are required to execute dynamic leg movements while processing visual input for obstacle avoidance and path planning. We show that a quadruped robot can acquire…

机器人学 · 计算机科学 2020-12-01 Deepali Jain , Atil Iscen , Ken Caluwaerts

Legged robots have the potential to traverse complex terrain and access confined spaces beyond the reach of traditional platforms thanks to their ability to carefully select footholds and flexibly adapt their body posture while walking.…

机器人学 · 计算机科学 2024-03-04 Takahiro Miki , Joonho Lee , Lorenz Wellhausen , Marco Hutter

3D point cloud registration is a fundamental task in robotics and computer vision. Recently, many learning-based point cloud registration methods based on correspondences have emerged. However, these methods heavily rely on such…

计算机视觉与模式识别 · 计算机科学 2021-07-07 Lifa Zhu , Dongrui Liu , Changwei Lin , Rui Yan , Francisco Gómez-Fernández , Ninghua Yang , Ziyong Feng

We present a novel approach to learning a point-wise, meaningful embedding for point-clouds in an unsupervised manner, through the use of neural-networks. The domain of point-cloud processing via neural-networks is rapidly evolving, with…

图形学 · 计算机科学 2019-03-12 Matan Shoef , Sharon Fogel , Daniel Cohen-Or

Good quality reconstruction and comprehension of a scene rely on 3D estimation methods. The 3D information was usually obtained from images by stereo-photogrammetry, but deep learning has recently provided us with excellent results for…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Rémy Leroy , Pauline Trouvé-Peloux , Frédéric Champagnat , Bertrand Le Saux , Marcela Carvalho

In robot learning, the observation space is crucial due to the distinct characteristics of different modalities, which can potentially become a bottleneck alongside policy design. In this study, we explore the influence of various…

机器人学 · 计算机科学 2024-10-23 Haoyi Zhu , Yating Wang , Di Huang , Weicai Ye , Wanli Ouyang , Tong He