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We geometrically analyze the problem of estimating parameters related to the shape and size of a two-dimensional target object on the plane by using randomly distributed distance sensors whose locations are unknown. Based on the analysis…

Information Theory · Computer Science 2017-07-20 Hiroshi Saito , Hirotada Honda

In this thesis a probabilistic framework is developed and proposed for Dynamic Object Recognition in 3D Environments. A software package is developed using C++ and Python in ROS that performs the detection and tracking task. Furthermore, a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Pouria Mehrabi

We present a near real-time method for 6-DoF tracking of an unknown object from a monocular RGBD video sequence, while simultaneously performing neural 3D reconstruction of the object. Our method works for arbitrary rigid objects, even when…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Bowen Wen , Jonathan Tremblay , Valts Blukis , Stephen Tyree , Thomas Muller , Alex Evans , Dieter Fox , Jan Kautz , Stan Birchfield

We propose a novel method that tracks fast moving objects, mainly non-uniform spherical, in full 6 degrees of freedom, estimating simultaneously their 3D motion trajectory, 3D pose and object appearance changes with a time step that is a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Denys Rozumnyi , Jan Kotera , Filip Sroubek , Jiri Matas

3D object detection plays an important role in autonomous driving and other robotics applications. However, these detectors usually require training on large amounts of annotated data that is expensive and time-consuming to collect.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Jianren Wang , Haiming Gang , Siddharth Ancha , Yi-Ting Chen , David Held

The Random Hypersurface Model (RHM) is introduced that allows for estimating a shape approximation of an extended object in addition to its kinematic state. An RHM represents the spatial extent by means of randomly scaled versions of the…

Systems and Control · Computer Science 2013-04-19 Marcus Baum , Uwe D. Hanebeck

Recently neural radiance fields (NeRF) have been widely exploited as 3D representations for dense simultaneous localization and mapping (SLAM). Despite their notable successes in surface modeling and novel view synthesis, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Jiarui Hu , Xianhao Chen , Boyin Feng , Guanglin Li , Liangjing Yang , Hujun Bao , Guofeng Zhang , Zhaopeng Cui

Event-based structured light systems have recently been introduced as an exciting alternative to conventional frame-based triangulation systems for the 3D measurements of diffuse surfaces. Important benefits include the fast capture speed…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Aniket Dashpute , Jiazhang Wang , James Taylor , Oliver Cossairt , Ashok Veeraraghavan , Florian Willomitzer

This paper presents a novel masked attention-based 3D Gaussian Splatting (3DGS) approach to enhance robotic perception and object detection in industrial and smart factory environments. U2-Net is employed for background removal to isolate…

Graphics · Computer Science 2025-03-26 Jee Won Lee , Hansol Lim , SooYeun Yang , Jongseong Brad Choi

This paper presents a preliminary study of an efficient object tracking approach, comparing the performance of two different 3D point cloud sensory sources: LiDAR and stereo cameras, which have significant price differences. In this…

A new robust and accurate approach for the detection and localization of flying objects with the purpose of highly dynamic aerial interception and agile multi-robot interaction is presented in this paper. The approach is proposed for use on…

Indoor 3D object detection is an essential task in single image scene understanding, impacting spatial cognition fundamentally in visual reasoning. Existing works on 3D object detection from a single image either pursue this goal through…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Yanjun Liu , Wenming Yang

The unsupervised 3D object detection is to accurately detect objects in unstructured environments with no explicit supervisory signals. This task, given sparse LiDAR point clouds, often results in compromised performance for detecting…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Ruiyang Zhang , Hu Zhang , Hang Yu , Zhedong Zheng

We propose an unsupervised method for parsing large 3D scans of real-world scenes with easily-interpretable shapes. This work aims to provide a practical tool for analyzing 3D scenes in the context of aerial surveying and mapping, without…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Romain Loiseau , Elliot Vincent , Mathieu Aubry , Loic Landrieu

Accurate surface geometry representation is crucial in 3D visual computing. Explicit representations, such as polygonal meshes, and implicit representations, like signed distance functions, each have distinct advantages, making efficient…

Graphics · Computer Science 2025-09-26 Christian Stippel , Felix Mujkanovic , Thomas Leimkühler , Pedro Hermosilla

In this paper, we propose a new joint object detection and tracking (JoDT) framework for 3D object detection and tracking based on camera and LiDAR sensors. The proposed method, referred to as 3D DetecTrack, enables the detector and tracker…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Junho Koh , Jaekyum Kim , Jinhyuk Yoo , Yecheol Kim , Dongsuk Kum , Jun Won Choi

This paper presents DENSER, an efficient and effective approach leveraging 3D Gaussian splatting (3DGS) for the reconstruction of dynamic urban environments. While several methods for photorealistic scene representations, both implicitly…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Mahmud A. Mohamad , Gamal Elghazaly , Arthur Hubert , Raphael Frank

Localization of robots is vital for navigation and path planning, such as in cases where a map of the environment is needed. Ultra-Wideband (UWB) for indoor location systems has been gaining popularity over the years with the introduction…

Robotics · Computer Science 2022-06-23 Muhammad Shalihan , Ran Liu , Chau Yuen

Diffusion-based image super-resolution methods have demonstrated significant advantages over GAN-based approaches, particularly in terms of perceptual quality. Building upon a lengthy Markov chain, diffusion-based methods possess remarkable…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Leheng Zhang , Weiyi You , Kexuan Shi , Shuhang Gu

An image-based control strategy along with estimation of target motion is developed to track dynamic targets without motion constraints. To the best of our knowledge, this is the first work that utilizes a bounding box as image features for…

Systems and Control · Electrical Eng. & Systems 2024-09-23 Jun-Ming Li , Ching Wen Chen , Teng-Hu Cheng