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3D Gaussian Splatting (3DGS) has achieved impressive rendering performance in novel view synthesis. However, its efficacy diminishes considerably in sparse image sequences, where inherent data sparsity amplifies geometric uncertainty during…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Zhen Tan , Xieyuanli Chen , Jinpu Zhang , Lei Feng , Dewen Hu

We present an unsupervised framework for simultaneous appearance-based object discovery, detection, tracking and reconstruction using RGBD cameras and a robot manipulator. The system performs dense 3D simultaneous localization and mapping…

Robotics · Computer Science 2014-11-05 Lu Ma , Mahsa Ghafarianzadeh , Dave Coleman , Nikolaus Correll , Gabe Sibley

Monocular 3D object localization in driving scenes is a crucial task, but challenging due to its ill-posed nature. Estimating 3D coordinates for each pixel on the object surface holds great potential as it provides dense 2D-3D geometric…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Zhixiang Min , Bingbing Zhuang , Samuel Schulter , Buyu Liu , Enrique Dunn , Manmohan Chandraker

Recent advancements in 3D Gaussian Splatting (3DGS) have demonstrated its potential for efficient and photorealistic 3D reconstructions, which is crucial for diverse applications such as robotics and immersive media. However, current…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Daheng Yin , Isaac Ding , Yili Jin , Jianxin Shi , Jiangchuan Liu

This paper presents a learning-based approach for accurately estimating the 3D shape of flexible continuum robots subjected to external loads. The proposed method introduces a spatiotemporal neural network architecture that fuses…

Robotics · Computer Science 2025-10-28 Enyi Wang , Zhen Deng , Chuanchuan Pan , Bingwei He , Jianwei Zhang

Object tracking has been broadly applied in unmanned aerial vehicle (UAV) tasks in recent years. However, existing algorithms still face difficulties such as partial occlusion, clutter background, and other challenging visual factors.…

Robotics · Computer Science 2020-09-01 Yujie He , Changhong Fu , Fuling Lin , Yiming Li , Peng Lu

Existing visual tracking methods usually localize a target object with a bounding box, in which the performance of the foreground object trackers or detectors is often affected by the inclusion of background clutter. To handle this problem,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Chenglong Li , Liang Lin , Wangmeng Zuo , Jin Tang , Ming-Hsuan Yang

Visual object tracking is an important computer vision problem with numerous real-world applications including human-computer interaction, autonomous vehicles, robotics, motion-based recognition, video indexing, surveillance and security.…

Computer Vision and Pattern Recognition · Computer Science 2018-02-15 Mustansar Fiaz , Arif Mahmood , Soon Ki Jung

The 3D Gaussian Splatting (3DGS)-based SLAM system has garnered widespread attention due to its excellent performance in real-time high-fidelity rendering. However, in real-world environments with dynamic objects, existing 3DGS-based SLAM…

Robotics · Computer Science 2025-02-19 Mingrui Li , Weijian Chen , Na Cheng , Jingyuan Xu , Dong Li , Hongyu Wang

Representing 3D objects and scenes with neural radiance fields has become very popular over the last years. Recently, surface-based representations have been proposed, that allow to reconstruct 3D objects from simple photographs. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Sarthak Gupta , Patrik Huber

Robust grasping is a major, and still unsolved, problem in robotics. Information about the 3D shape of an object can be obtained either from prior knowledge (e.g., accurate models of known objects or approximate models of familiar objects)…

3D object detection with point clouds and images plays an important role in perception tasks such as autonomous driving. Current methods show great performance on detection and pose estimation of standard-shaped vehicles but lack behind on…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Benjamin Sick , Michael Walter , Jochen Abhau

Many robotic tasks involving some form of 3D visual perception greatly benefit from a complete knowledge of the working environment. However, robots often have to tackle unstructured environments and their onboard visual sensors can only…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Andrea Rosasco , Stefano Berti , Fabrizio Bottarel , Michele Colledanchise , Lorenzo Natale

In this paper, we developed the solution of roadside LiDAR object detection using a combination of two unsupervised learning algorithms. The 3D point clouds are firstly converted into spherical coordinates and filled into the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Tianya Zhang , Peter J. Jin

Robotic three-dimensional (3D) ultrasound (US) imaging has been employed to overcome the drawbacks of traditional US examinations, such as high inter-operator variability and lack of repeatability. However, object movement remains a…

Deep learning has led to great progress in the detection of mobile (i.e. movement-capable) objects in urban driving scenes in recent years. Supervised approaches typically require the annotation of large training sets; there has thus been…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Sangyun Shin , Stuart Golodetz , Madhu Vankadari , Kaichen Zhou , Andrew Markham , Niki Trigoni

Background modeling is widely used for intelligent surveillance systems to detect moving targets by subtracting the static background components. Most roadside LiDAR object detection methods filter out foreground points by comparing new…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Tianya Zhang , Yi Ge , Peter J. Jin

Precise 3D measurements of rigid surfaces are desired in many fields of application like quality control or surgery. Often, views from all around the object have to be acquired for a full 3D description of the object surface. We present a…

Optics · Physics 2014-01-10 Oliver Arold , Svenja Ettl , Florian Willomitzer , Gerd Häusler

We present a new pipeline for holistic 3D scene understanding from a single image, which could predict object shapes, object poses, and scene layout. As it is a highly ill-posed problem, existing methods usually suffer from inaccurate…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Cheng Zhang , Zhaopeng Cui , Yinda Zhang , Bing Zeng , Marc Pollefeys , Shuaicheng Liu

Service mobile robots are often required to avoid dynamic objects while performing their tasks, but they usually have only limited computational resources. To further advance the practical application of service robots in complex dynamic…

Robotics · Computer Science 2026-02-25 Yushen He , Lei Zhao , Tianchen Deng , Zipeng Fang , Weidong Chen