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Visual Odometry (VO) estimation is an important source of information for vehicle state estimation and autonomous driving. Recently, deep learning based approaches have begun to appear in the literature. However, in the context of driving,…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Nimet Kaygusuz , Oscar Mendez , Richard Bowden

In this work, we present a conceptually simple yet effective framework for cross-modality 3D object detection, named voxel field fusion. The proposed approach aims to maintain cross-modality consistency by representing and fusing augmented…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Yanwei Li , Xiaojuan Qi , Yukang Chen , Liwei Wang , Zeming Li , Jian Sun , Jiaya Jia

Myocardial infarction (MI) is one of the most prevalent cardiovascular diseases with associated clinical decision-making typically based on single-valued imaging biomarkers. However, such metrics only approximate the complex 3D structure…

计算机视觉与模式识别 · 计算机科学 2023-07-17 Marcel Beetz , Yilong Yang , Abhirup Banerjee , Lei Li , Vicente Grau

Airborne laser scanning and photogrammetry are two main techniques to obtain 3D data representing the object surface. Due to the high cost of laser scanning, we want to explore the potential of using point clouds derived by dense image…

计算机视觉与模式识别 · 计算机科学 2018-07-26 Zhenchao Zhang , Markus Gerke , George Vosselman , Michael Ying Yang

Deformable image registration, estimating the spatial transformation between different images, is an important task in medical imaging. Many previous studies have used learning-based methods for multi-stage registration to perform 3D image…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Jian-Qing Zheng , Ziyang Wang , Baoru Huang , Ngee Han Lim , Tonia Vincent , Bartlomiej W. Papiez

This paper presents a range inertial localization algorithm for a 3D prior map. The proposed algorithm tightly couples scan-to-scan and scan-to-map point cloud registration factors along with IMU factors on a sliding window factor graph.…

机器人学 · 计算机科学 2024-02-09 Kenji Koide , Shuji Oishi , Masashi Yokozuka , Atsuhiko Banno

We propose a new method for fine registering multiple point clouds simultaneously. The approach is characterized by being dense, therefore point clouds are not reduced to pre-selected features in advance. Furthermore, the approach is robust…

机器人学 · 计算机科学 2024-06-18 David Skuddis , Norbert Haala

In the field of 3D Human Pose Estimation from monocular videos, the presence of diverse occlusion types presents a formidable challenge. Prior research has made progress by harnessing spatial and temporal cues to infer 3D poses from 2D…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Mehwish Ghafoor , Arif Mahmood , Muhammad Bilal

This paper addresses the problem of 3D pose estimation for multiple people in a few calibrated camera views. The main challenge of this problem is to find the cross-view correspondences among noisy and incomplete 2D pose predictions. Most…

计算机视觉与模式识别 · 计算机科学 2019-01-15 Junting Dong , Wen Jiang , Qixing Huang , Hujun Bao , Xiaowei Zhou

Estimating the 3D pose of an object is a challenging task that can be considered within augmented reality or robotic applications. In this paper, we propose a novel approach to perform 6 DoF object pose estimation from a single RGB-D image.…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Mathieu Gonzalez , Amine Kacete , Albert Murienne , Eric Marchand

This paper proposes a voxel-based approach for creating a digital twin of an urban environment that is capable of efficiently managing smart spaces. The paper explains the registration and localization procedure of the point cloud dataset,…

机器人学 · 计算机科学 2024-06-24 F. S. Mortazavi , O. Shkedova , U. Feuerhake , C. Brenner , M. Sester

Autonomous driving has spurred the development of sensor fusion techniques, which combine data from multiple sensors to improve system performance. In particular, localization system based on sensor fusion , such as Visual Simultaneous…

系统与控制 · 电气工程与系统科学 2023-05-16 Xiaowen Tao , Pengxiang Meng , Bing Zhu , Jian Zhao

Acquiring accurate three-dimensional depth information conventionally requires expensive multibeam LiDAR devices. Recently, researchers have developed a less expensive option by predicting depth information from two-dimensional color…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Peng Yin , Jianing Qian , Yibo Cao , David Held , Howie Choset

Reliable autonomous driving systems require accurate detection of traffic participants. To this end, multi-modal fusion has emerged as an effective strategy. In particular, 4D radar and LiDAR fusion methods based on multi-frame radar point…

计算机视觉与模式识别 · 计算机科学 2025-05-15 Xiangyuan Peng , Yu Wang , Miao Tang , Bierzynski Kay , Lorenzo Servadei , Robert Wille

High-fidelity face digitization solutions often combine multi-view stereo (MVS) techniques for 3D reconstruction and a non-rigid registration step to establish dense correspondence across identities and expressions. A common problem is the…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Tianye Li , Shichen Liu , Timo Bolkart , Jiayi Liu , Hao Li , Yajie Zhao

Motion estimation approaches typically employ sensor fusion techniques, such as the Kalman Filter, to handle individual sensor failures. More recently, deep learning-based fusion approaches have been proposed, increasing the performance and…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Nimet Kaygusuz , Oscar Mendez , Richard Bowden

Multi-modal 3D object detectors are dedicated to exploring secure and reliable perception systems for autonomous driving (AD).Although achieving state-of-the-art (SOTA) performance on clean benchmark datasets, they tend to overlook the…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Ziying Song , Guoxing Zhang , Lin Liu , Lei Yang , Shaoqing Xu , Caiyan Jia , Feiyang Jia , Li Wang

We propose real-time, six degrees of freedom (6DoF), 3D face pose estimation without face detection or landmark localization. We observe that estimating the 6DoF rigid transformation of a face is a simpler problem than facial landmark…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Vítor Albiero , Xingyu Chen , Xi Yin , Guan Pang , Tal Hassner

Text-to-image generation and image captioning are recently emerged as a new experimental paradigm to assess machine intelligence. They predict continuous quantity accompanied by their sampling techniques in the generation, making evaluation…

计算机视觉与模式识别 · 计算机科学 2022-05-27 Jin-Hwa Kim , Yunji Kim , Jiyoung Lee , Kang Min Yoo , Sang-Woo Lee

Magnetic resonance imaging (MRI) is the non-invasive modality of choice for body tissue composition analysis due to its excellent soft tissue contrast and lack of ionizing radiation. However, quantification of body composition requires an…