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We propose a learning-based method to reconstruct the local terrain for locomotion with a mobile robot traversing urban environments. Using a stream of depth measurements from the onboard cameras and the robot's trajectory, the algorithm…

机器人学 · 计算机科学 2022-06-17 David Hoeller , Nikita Rudin , Christopher Choy , Animashree Anandkumar , Marco Hutter

Masked Modeling (MM) has demonstrated widespread success in various vision challenges, by reconstructing masked visual patches. Yet, applying MM for large-scale 3D scenes remains an open problem due to the data sparsity and scene…

计算机视觉与模式识别 · 计算机科学 2023-06-12 Mingye Xu , Mutian Xu , Tong He , Wanli Ouyang , Yali Wang , Xiaoguang Han , Yu Qiao

With the rapid development of computer graphics and vision, several three-dimensional (3D) reconstruction techniques have been proposed and used to obtain the 3D representation of objects in the form of point cloud models, mesh models, and…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Rui Wang

Reconstructing the underlying 3D surface of an object from a single image is a challenging problem that has received extensive attention from the computer vision community. Many learning-based approaches tackle this problem by learning a 3D…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Nicolai Häni , Jun-Jee Chao , Volkan Isler

Perception in 3D has become standard practice for a large part of robotics applications. High quality 3D perception is costly. Our previous work on a nodding 2D Lidar provides high quality 3D depth information with low cost, but the sparse…

计算机视觉与模式识别 · 计算机科学 2020-01-01 Anindya Harchowdhury , Lindsay Kleeman , Leena Vachhani

In crowded urban environments where traffic is dense, current technologies struggle to oversee tight navigation, but surface-level understanding allows autonomous vehicles to safely assess proximity to surrounding obstacles. 3D or 2D scene…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Akarshani Ramanayake , Nihal Kodikara

Most deep pose estimation methods need to be trained for specific object instances or categories. In this work we propose a completely generic deep pose estimation approach, which does not require the network to have been trained on…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Yang Xiao , Xuchong Qiu , Pierre-Alain Langlois , Mathieu Aubry , Renaud Marlet

We present an approach to recover absolute 3D human poses from multi-view images by incorporating multi-view geometric priors in our model. It consists of two separate steps: (1) estimating the 2D poses in multi-view images and (2)…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Haibo Qiu , Chunyu Wang , Jingdong Wang , Naiyan Wang , Wenjun Zeng

3D Morphable Models (3DMMs) provide promising 3D face reconstructions in various applications. However, existing methods struggle to reconstruct faces with extreme expressions due to deficiencies in supervisory signals, such as sparse or…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Zidu Wang , Xiangyu Zhu , Tianshuo Zhang , Baiqin Wang , Zhen Lei

This paper addresses the problem of 3D human pose and shape estimation from a single image. Previous approaches consider a parametric model of the human body, SMPL, and attempt to regress the model parameters that give rise to a mesh…

计算机视觉与模式识别 · 计算机科学 2019-05-09 Nikos Kolotouros , Georgios Pavlakos , Kostas Daniilidis

Determining the shape of 3D objects from high-frequency radar signals is analytically complex but critical for commercial and aerospace applications. Previous deep learning methods have been applied to radar modeling; however, they often…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Neel Sortur , Justin Goodwin , Purvik Patel , Luis Enrique Martinez , Tzofi Klinghoffer , Rajmonda S. Caceres , Robin Walters

3D scene reconstruction is a long-standing vision task. Existing approaches can be categorized into geometry-based and learning-based methods. The former leverages multi-view geometry but can face catastrophic failures due to the reliance…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Guangkai Xu , Wei Yin , Hao Chen , Chunhua Shen , Kai Cheng , Feng Zhao

The quick and accurate retrieval of an object height from a single fringe pattern in Fringe Projection Profilometry has been a topic of ongoing research. While a single shot fringe to depth CNN based method can restore height map directly…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Yixiao Wang , Canlin Zhou , Xingyang Qi , Hui Li

Three-dimensional (3D) object reconstruction based on differentiable rendering (DR) is an active research topic in computer vision. DR-based methods minimize the difference between the rendered and target images by optimizing both the shape…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Chunyu Li , Taisuke Hashimoto , Eiichi Matsumoto , Hiroharu Kato

In this paper, we propose an advanced methodology for the detection of 3D objects and precise estimation of their spatial positions from a single image. Unlike conventional frameworks that rely solely on center-point and dimension…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Dhyey Manish Rajani , Surya Pratap Singh , Rahul Kashyap Swayampakula

SLAM systems are mainly applied for robot navigation while research on feasibility for motion planning with SLAM for tasks like bin-picking, is scarce. Accurate 3D reconstruction of objects and environments is important for planning motion…

计算机视觉与模式识别 · 计算机科学 2018-03-07 Sergey Triputen , Atmaraaj Gopal , Thomas Weber , Christian Hofert , Kristiaan Schreve , Matthias Ratsch

Existing works on motion deblurring either ignore the effects of depth-dependent blur or work with the assumption of a multi-layered scene wherein each layer is modeled in the form of fronto-parallel plane. In this work, we consider the…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Kuldeep Purohit , Subeesh Vasu , M. Purnachandra Rao , A. N. Rajagopalan

State-of-the-art methods for driving-scene LiDAR-based perception (including point cloud semantic segmentation, panoptic segmentation and 3D detection, \etc) often project the point clouds to 2D space and then process them via 2D…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Xinge Zhu , Hui Zhou , Tai Wang , Fangzhou Hong , Wei Li , Yuexin Ma , Hongsheng Li , Ruigang Yang , Dahua Lin

In the industrial domain, the pose estimation of multiple texture-less shiny parts is a valuable but challenging task. In this particular scenario, it is impractical to utilize keypoints or other texture information because most of them are…

机器人学 · 计算机科学 2019-09-27 Chen Chen , Xin Jiang , Weiguo Zhou , Yun-Hui Liu

Humans build 3D understandings of the world through active object exploration, using jointly their senses of vision and touch. However, in 3D shape reconstruction, most recent progress has relied on static datasets of limited sensory data…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Edward J. Smith , David Meger , Luis Pineda , Roberto Calandra , Jitendra Malik , Adriana Romero , Michal Drozdzal