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Contouring of organs at risk is an important but time consuming part of radiotherapy treatment planning. Several authors proposed methods for automatic delineation but the clinical experts eye remains the gold standard method. In this…

计算机视觉与模式识别 · 计算机科学 2018-12-13 Bruno A. G. da Silva , Alvaro L. Fazenda , Fabiano C. Paixao

In the rapidly evolving landscape of digital content creation, the demand for fast, convenient, and autonomous methods of crafting detailed 3D reconstructions of humans has grown significantly. Addressing this pressing need, our AirNeRF…

机器人学 · 计算机科学 2024-07-16 Alexey Kotcov , Maria Dronova , Vladislav Cheremnykh , Sausar Karaf , Dzmitry Tsetserukou

Recent advances in 3D human shape estimation build upon parametric representations that model very well the shape of the naked body, but are not appropriate to represent the clothing geometry. In this paper, we present an approach to model…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Albert Pumarola , Jordi Sanchez , Gary P. T. Choi , Alberto Sanfeliu , Francesc Moreno-Noguer

Creating tetrahedral meshes with anatomically accurate surfaces is critically important for a wide range of model-based neuroimaging modalities. However, computationally efficient brain meshing algorithms and software are greatly lacking.…

医学物理 · 物理学 2017-08-31 Anh Phong Tran , Qianqian Fang

The aim of our paper is to render an object in 3-dimension using a set of its orthographic views. Corner detector (Harris Detector) is applied on the input views to obtain control points. These control points are projected perpendicular to…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Sunil Tiwari , Payal Fofadiya , Vicky Vishwakarma

Creating a 360{\deg} parametric model of a human head is a very challenging task. While recent advancements have demonstrated the efficacy of leveraging synthetic data for building such parametric head models, their performance remains…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Yuxiao He , Yiyu Zhuang , Yanwen Wang , Yao Yao , Siyu Zhu , Xiaoyu Li , Qi Zhang , Xun Cao , Hao Zhu

The study of human factors in the frame of interaction studies has been relevant for usability engi-neering and ergonomics for decades. Today, with the advent of wearable eye-tracking and Google glasses, monitoring of human factors will…

计算机视觉与模式识别 · 计算机科学 2013-05-07 Lucas Paletta , Katrin Santner , Gerald Fritz , Albert Hofmann , Gerald Lodron , Georg Thallinger , Heinz Mayer

We introduce (HPS) Human POSEitioning System, a method to recover the full 3D pose of a human registered with a 3D scan of the surrounding environment using wearable sensors. Using IMUs attached at the body limbs and a head mounted camera…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Vladimir Guzov , Aymen Mir , Torsten Sattler , Gerard Pons-Moll

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…

Three-dimensional (3D) printing has emerged as a powerful tool for material, food, and life science research and development, where the technology democratization necessitates the advancement of open-source platforms. Herein, we developed a…

软凝聚态物质 · 物理学 2022-03-16 Iek Man Lei , Yaqi Sheng , Chon Lok Lei , Cillian Leow , Yan Yan Shery Huang

Background and Objective: Biometric measurements of fetal head are important indicators for maternal and fetal health monitoring during pregnancy. 3D ultrasound (US) has unique advantages over 2D scan in covering the whole fetal head and…

图像与视频处理 · 电气工程与系统科学 2020-04-29 Xin Yang , Xu Wang , Yi Wang , Haoran Dou , Shengli Li , Huaxuan Wen , Yi Lin , Pheng-Ann Heng , Dong Ni

Human parsing aims to partition humans in image or video into multiple pixel-level semantic parts. In the last decade, it has gained significantly increased interest in the computer vision community and has been utilized in a broad range of…

计算机视觉与模式识别 · 计算机科学 2024-03-15 Lu Yang , Wenhe Jia , Shan Li , Qing Song

We develop a scannerless non-line-of-sight three dimensional imaging system based on a commercial 32x32 SPAD camera combined with a 70 ps pulsed laser. In our experiment, 1024 time histograms can be achieved synchronously in 3s with an…

图像与视频处理 · 电气工程与系统科学 2020-11-11 Chenfei Jin , Meng Tang , Legeng Jia , Xiaorui Tian , Jie Yang , Kai Qiao , Siqi Zhang

With the mushrooming use of computed tomography (CT) images in clinical decision making, management of CT data becomes increasingly difficult. From the patient identification perspective, using the standard DICOM tag to track patient…

计算机视觉与模式识别 · 计算机科学 2020-06-01 Jiuwen Zhu , Hu Han , S. Kevin Zhou

Face recognition is a widely accepted biometric verification tool, as the face contains a lot of information about the identity of a person. In this study, a 2-step neural-based pipeline is presented for matching 3D facial shape to multiple…

3D scanning is a complex multistage process that generates a point cloud of an object typically containing damaged parts due to occlusions, reflections, shadows, scanner motion, specific properties of the object surface, imperfect…

计算机视觉与模式识别 · 计算机科学 2022-01-07 Taras Rumezhak , Oles Dobosevych , Rostyslav Hryniv , Vladyslav Selotkin , Volodymyr Karpiv , Mykola Maksymenko

This paper proposes a process that uses two cameras to obtain three-dimensional (3D) information of a target object for human tracking. Results of human detection and tracking from two cameras are integrated to obtain the 3D information.…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Shinya Matsubara , Akihiko Honda , Yonghoon Ji , Kazunori Umeda

Three-dimensional (3D) ultrasound imaging can overcome the limitations of conventional two dimensional (2D) ultrasound imaging in structural observation and measurement. However, conducting volumetric ultrasound imaging for large-sized…

图像与视频处理 · 电气工程与系统科学 2024-12-03 Caozhe Li , Enxiang Shen , Haoyang Wang , Yuxin Wang , Jie Yuan , Li Gong , Di Zhao , Weijing Zhang , Zhibin Jin

This paper develops a flexible and robust robotic system for autonomous drawing on 3D surfaces. The system takes 2D drawing strokes and a 3D target surface (mesh or point clouds) as input. It maps the 2D strokes onto the 3D surface and…

机器人学 · 计算机科学 2020-10-02 Ruishuang Liu , Weiwei Wan , Keisuke Koyama , Kensuke Harada

We present deep neural network methodology to reconstruct the 3d pose and shape of people, given an input RGB image. We rely on a recently introduced, expressivefull body statistical 3d human model, GHUM, trained end-to-end, and learn to…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Andrei Zanfir , Eduard Gabriel Bazavan , Mihai Zanfir , William T. Freeman , Rahul Sukthankar , Cristian Sminchisescu