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相关论文: Motion-Aware Robotic 3D Ultrasound

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Motion artifacts often spoil the radiological interpretation of MR images, and in the most severe cases the scan needs be repeated, with additional costs for the provider. We discuss the application of a novel 3D retrospective rigid motion…

图像与视频处理 · 电气工程与系统科学 2023-01-04 Gabrio Rizzuti , Tim Schakel , Niek R. F. Huttinga , Jan Willem Dankbaar , Tristan van Leeuwen , Alessandro Sbrizzi

We propose a method for jointly estimating the 3D motion, 3D shape, and appearance of highly motion-blurred objects from a video. To this end, we model the blurred appearance of a fast moving object in a generative fashion by parametrizing…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Denys Rozumnyi , Martin R. Oswald , Vittorio Ferrari , Marc Pollefeys

Magnetic resonance imaging (MRI) is highly susceptible to patient motion due to its relatively long acquisition times and the fact that data are acquired sequentially in k-space. Even small patient movements introduce phase inconsistencies…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Antonio Ortiz-Gonzalez , Erich Kobler , Lukas Schletter , Alexander Effland

Robust 3D object detection is a core challenge for autonomous mobile systems in field robotics. To tackle this issue, many researchers have demonstrated improvements in 3D object detection performance in datasets. However, real-world urban…

机器人学 · 计算机科学 2024-04-23 Eunho Lee , Minwoo Jung , Ayoung Kim

We present HUP-3D, a 3D multi-view multi-modal synthetic dataset for hand-ultrasound (US) probe pose estimation in the context of obstetric ultrasound. Egocentric markerless 3D joint pose estimation has potential applications in mixed…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Manuel Birlo , Razvan Caramalau , Philip J. "Eddie" Edwards , Brian Dromey , Matthew J. Clarkson , Danail Stoyanov

2D forward-looking sonar is a crucial sensor for underwater robotic perception. A well-known problem in this field is estimating missing information in the elevation direction during sonar imaging. There are demands to estimate 3D…

机器人学 · 计算机科学 2023-08-02 Yusheng Wang , Yonghoon Ji , Chujie Wu , Hiroshi Tsuchiya , Hajime Asama , Atsushi Yamashita

Three-dimensional Ultrasound image segmentation methods are surveyed in this paper. The focus of this report is to investigate applications of these techniques and a review of the original ideas and concepts. Although many two-dimensional…

计算机视觉与模式识别 · 计算机科学 2016-11-30 Mohammad Hamed Mozaffari , WonSook Lee

Human motion prediction is consisting in forecasting future body poses from historically observed sequences. It is a longstanding challenge due to motion's complex dynamics and uncertainty. Existing methods focus on building up complicated…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Zhihao Wang , Yulin Zhou , Ningyu Zhang , Xiaosong Yang , Jun Xiao , Zhao Wang

Intraoperative ultrasound facilitates localisation of tumour boundaries during minimally invasive procedures. Autonomous ultrasound scanning systems have been recently proposed to improve scanning accuracy and reduce surgeons' cognitive…

机器人学 · 计算机科学 2018-03-19 Lin Zhang , Menglong Ye , Stamatia Giannarou , Philip Pratt , Guang-Zhong Yang

Both, robot and hand-eye calibration haven been object to research for decades. While current approaches manage to precisely and robustly identify the parameters of a robot's kinematic model, they still rely on external devices, such as…

机器人学 · 计算机科学 2022-06-08 Arne Peters

This paper focuses on motion prediction for point cloud sequences in the challenging case of deformable 3D objects, such as human body motion. First, we investigate the challenges caused by deformable shapes and complex motions present in…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Pedro Gomes , Silvia Rossi , Laura Toni

Estimating geometric elements such as depth, camera motion, and optical flow from images is an important part of the robot's visual perception. We use a joint self-supervised method to estimate the three geometric elements. Depth network,…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Jianfeng Li , Junqiao Zhao , Shuangfu Song , Tiantian Feng

Perceiving accurate 3D object shape is important for robots to interact with the physical world. Current research along this direction has been primarily relying on visual observations. Vision, however useful, has inherent limitations due…

计算机视觉与模式识别 · 计算机科学 2018-08-10 Shaoxiong Wang , Jiajun Wu , Xingyuan Sun , Wenzhen Yuan , William T. Freeman , Joshua B. Tenenbaum , Edward H. Adelson

The human ability to detect and segment moving objects works in the presence of multiple objects, complex background geometry, motion of the observer, and even camouflage. In addition to all of this, the ability to detect motion is nearly…

计算机视觉与模式识别 · 计算机科学 2016-04-04 Pia Bideau , Erik Learned-Miller

Reshaping accurate and realistic 3D human bodies from anthropometric parameters (e.g., height, chest size, etc.) poses a fundamental challenge for person identification, online shopping and virtual reality. Existing approaches for creating…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Yanhong Zeng , Jianlong Fu , Hongyang Chao

Incorporating temporal information effectively is important for accurate 3D human motion estimation and generation which have wide applications from human-computer interaction to AR/VR. In this paper, we present MoManifold, a novel human…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Ziqiang Dang , Tianxing Fan , Boming Zhao , Xujie Shen , Lei Wang , Guofeng Zhang , Zhaopeng Cui

Ultrasound scanning robots enable the automatic imaging of a patient's internal organs by maintaining close contact between the ultrasound probe and the patient's body during a scanning procedure. Comprehensive, high-quality ultrasound…

机器人学 · 计算机科学 2023-02-14 Xiangjie Yan , Yongpeng Jiang , Guokun Wu , Chen Chen , Gao Huang , Xiang Li

We address the problem of human motion tracking by registering a surface to 3-D data. We propose a method that iteratively computes two things: Maximum likelihood estimates for both the kinematic and free-motion parameters of a kinematic…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Radu Horaud , Matti Niskanen , Guillaume Dewaele , Edmond Boyer

Acquiring the accurate 3-D position of a target person around a robot provides fundamental and valuable information that is applicable to a wide range of robotic tasks, including home service, navigation and entertainment. This paper…

机器人学 · 计算机科学 2017-03-16 Mengmeng Wang , Daobilige Su , Lei Shi , Yong Liu , Jaime Valls Miro

To determine the 3D orientation and 3D location of objects in the surroundings of a camera mounted on a robot or mobile device, we developed two powerful algorithms in object detection and temporal tracking that are combined seamlessly for…

计算机视觉与模式识别 · 计算机科学 2017-09-06 David Joseph Tan , Nassir Navab , Federico Tombari
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