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Vision-based estimation of the motion of a moving target is usually formulated as a bearing-only estimation problem where the visual measurement is modeled as a bearing vector. Although the bearing-only approach has been studied for…

机器人学 · 计算机科学 2024-02-06 Zian Ning , Yin Zhang , Jianan Li , Zhang Chen , Shiyu Zhao

We propose a segmentation-based bounding box generation method for omnidirectional pedestrian detection that enables detectors to tightly fit bounding boxes to pedestrians without omnidirectional images for training. Due to the wide angle…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Masato Tamura , Tomoaki Yoshinaga

This paper discusses current methods and trends for 3D bounding box detection in volumetric medical image data. For this purpose, an overview of relevant papers from recent years is given. 2D and 3D implementations are discussed and…

图像与视频处理 · 电气工程与系统科学 2021-05-18 Daria Kern , Andre Mastmeyer

Recent efforts in using 3D Gaussians for scene reconstruction and novel view synthesis can achieve impressive results on curated benchmarks; however, images captured in real life are often blurry. In this work, we analyze the robustness of…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Cheng Peng , Yutao Tang , Yifan Zhou , Nengyu Wang , Xijun Liu , Deming Li , Rama Chellappa

The most popular evaluation metric for object detection in 2D images is Intersection over Union (IoU). Existing implementations of the IoU metric for 3D object detection usually neglect one or more degrees of freedom. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2022-11-14 Michael G. Adam , Martin Piccolrovazzi , Sebastian Eger , Eckehard Steinbach

Existing computer vision and object detection methods strongly rely on neural networks and deep learning. This active research area is used for applications such as autonomous driving, aerial photography, protection, and monitoring.…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Imran Khan Mirani , Chen Tianhua , Malak Abid Ali Khan , Syed Muhammad Aamir , Waseef Menhaj

Recent work has shown good recognition results in 3D object recognition using 3D convolutional networks. In this paper, we show that the object orientation plays an important role in 3D recognition. More specifically, we argue that objects…

计算机视觉与模式识别 · 计算机科学 2017-10-23 Nima Sedaghat , Mohammadreza Zolfaghari , Ehsan Amiri , Thomas Brox

Boundary point detection aims to outline the external contour structure of clusters and enhance the inter-cluster discrimination, thus bolstering the performance of the downstream classification and clustering tasks. However, existing…

机器学习 · 计算机科学 2025-02-26 Dehua Peng , Zhipeng Gui , Jie Gui , Huayi Wu

Data acquisition through mobile phones remains a challenge for 3D Gaussian Splatting (3DGS). In this work we target the object-centered scenario and enable reliable mobile acquisition by providing on-device capture guidance and recording…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Yuezhe Zhang , Luqian Bai , Mengting Yu , Lei Wei , Shuai Wan , Yifan Zhang

Reliable spatial uncertainty evaluation of object detection models is of special interest and has been subject of recent work. In this work, we review the existing definitions for uncertainty calibration of probabilistic regression tasks.…

机器学习 · 计算机科学 2022-08-22 Fabian Küppers , Jonas Schneider , Anselm Haselhoff

Rotated object detection in aerial images has received increasing attention for a wide range of applications. However, it is also a challenging task due to the huge variations of scale, rotation, aspect ratio, and densely arranged targets.…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Feng Zhang , Xueying Wang , Shilin Zhou , Yingqian Wang

Cascaded regression method is a fast and accurate method on finding 2D pose of objects in RGB images. It is able to find the accurate pose of objects in an image by a great number of corrections on the good initial guess of the pose of…

计算机视觉与模式识别 · 计算机科学 2017-09-26 Wenye He

Posterior computation for high-dimensional data with many parameters can be challenging. This article focuses on a new method for approximating posterior distributions of a low- to moderate-dimensional parameter in the presence of a…

统计计算 · 统计学 2022-04-08 Willem van den Boom , Galen Reeves , David B. Dunson

3D object detection has been wildly studied in recent years, especially for robot perception systems. However, existing 3D object detection is under a closed-set condition, meaning that the network can only output boxes of trained classes.…

计算机视觉与模式识别 · 计算机科学 2021-12-03 Jun Cen , Peng Yun , Junhao Cai , Michael Yu Wang , Ming Liu

We propose a Bayesian inference framework to estimate uncertainties in inverse scattering problems. Given the observed data, the forward model and their uncertainties, we find the posterior distribution over a finite parameter field…

数值分析 · 数学 2020-11-17 Ana Carpio , Sergei Iakunin , Georg Stadler

We present 3DGS-CD, the first 3D Gaussian Splatting (3DGS)-based method for detecting physical object rearrangements in 3D scenes. Our approach estimates 3D object-level changes by comparing two sets of unaligned images taken at different…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Ziqi Lu , Jianbo Ye , John Leonard

3D object detection is one of the most important tasks for the perception systems of autonomous vehicles. With the significant success in the field of 2D object detection, several monocular image based 3D object detection algorithms have…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Zhou Lingtao , Fang Jiaojiao , Liu Guizhong

We propose a method to enhance 3D Gaussian Splatting (3DGS)~\cite{Kerbl2023}, addressing challenges in initialization, optimization, and density control. Gaussian Splatting is an alternative for rendering realistic images while supporting…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Xingjun Wang , Lianlei Shan

Three-dimensional objects are commonly represented as 3D boxes in a point-cloud. This representation mimics the well-studied image-based 2D bounding-box detection but comes with additional challenges. Objects in a 3D world do not follow any…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Tianwei Yin , Xingyi Zhou , Philipp Krähenbühl

Anchor free methods have defined the new frontier in state-of-the-art object detection researches where accurate bounding box estimation is the key to the success of these methods. However, even the bounding box has the highest confidence…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Ran Chen , Yong Liu , Mengdan Zhang , Shu Liu , Bei Yu , Yu-Wing Tai