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相关论文: i3PosNet: Instrument Pose Estimation from X-Ray in…

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Conventional 3D human pose estimation relies on first detecting 2D body keypoints and then solving the 2D to 3D correspondence problem.Despite the promising results, this learning paradigm is highly dependent on the quality of the 2D…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Jue Wang , Shaoli Huang , Xinchao Wang , Dacheng Tao

This work proposes a novel pose estimation model for object categories that can be effectively transferred to previously unseen environments. The deep convolutional network models (CNN) for pose estimation are typically trained and…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Negar Nejatishahidin , Pooya Fayyazsanavi , Jana Kosecka

3-D pose estimation of instruments is a crucial step towards automatic scene understanding in robotic minimally invasive surgery. Although robotic systems can potentially directly provide joint values, this information is not commonly…

机器人学 · 计算机科学 2021-03-02 Luca Sestini , Benoit Rosa , Elena De Momi , Giancarlo Ferrigno , Nicolas Padoy

Most deep pose estimation methods need to be trained for specific object instances or categories. In this work we propose a completely generic deep pose estimation approach, which does not require the network to have been trained on…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Yang Xiao , Xuchong Qiu , Pierre-Alain Langlois , Mathieu Aubry , Renaud Marlet

Surgery monitoring in Mixed Reality (MR) environments has recently received substantial focus due to its importance in image-based decisions, skill assessment, and robot-assisted surgery. Tracking hands and articulated surgical instruments…

计算机视觉与模式识别 · 计算机科学 2024-10-03 Ahmed Tawfik Aboukhadra , Nadia Robertini , Jameel Malik , Ahmed Elhayek , Gerd Reis , Didier Stricker

Surgical robots are usually controlled using a priori models based on the robots' geometric parameters, which are calibrated before the surgical procedure. One of the challenges in using robots in real surgical settings is that those…

机器人学 · 计算机科学 2022-06-03 Masakazu Yoshimura , Murilo Marques Marinho , Kanako Harada , Mamoru Mitsuishi

With an aim to increase the capture range and accelerate the performance of state-of-the-art inter-subject and subject-to-template 3D registration, we propose deep learning-based methods that are trained to find the 3D position of…

计算机视觉与模式识别 · 计算机科学 2018-08-21 Seyed Sadegh Mohseni Salehi , Shadab Khan , Deniz Erdogmus , Ali Gholipour

Detection of surgical instruments plays a key role in ensuring patient safety in minimally invasive surgery. In this paper, we present a novel method for 2D vision-based recognition and pose estimation of surgical instruments that…

计算机视觉与模式识别 · 计算机科学 2017-10-19 Thomas Kurmann , Pablo Marquez Neila , Xiaofei Du , Pascal Fua , Danail Stoyanov , Sebastian Wolf , Raphael Sznitman

Tracking the pose of instruments is a central problem in image-guided surgery. For microscopic scenarios, optical coherence tomography (OCT) is increasingly used as an imaging modality. OCT is suitable for accurate pose estimation due to…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Nils Gessert , Matthias Schlüter , Alexander Schlaefer

Hand pose estimation from monocular depth images has been an important and challenging problem in the Computer Vision community. In this paper, we present a novel approach to estimate 3D hand joint locations from 2D depth images. Unlike…

计算机视觉与模式识别 · 计算机科学 2020-02-21 Rohan Lekhwani , Bhupendra Singh

Recovering 3D human pose from 2D joints is a highly unconstrained problem. We propose a novel neural network framework, PoseNet3D, that takes 2D joints as input and outputs 3D skeletons and SMPL body model parameters. By casting our…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Shashank Tripathi , Siddhant Ranade , Ambrish Tyagi , Amit Agrawal

Deep learning-based pose estimation algorithms can successfully estimate the pose of objects in an image, especially in the field of color images. 6D Object pose estimation based on deep learning models for X-ray images often use custom…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Christiaan G. A. Viviers , Joel de Bruijn , Lena Filatova , Peter H. N. de With , Fons van der Sommen

While many recent hand pose estimation methods critically rely on a training set of labelled frames, the creation of such a dataset is a challenging task that has been overlooked so far. As a result, existing datasets are limited to a few…

计算机视觉与模式识别 · 计算机科学 2016-12-05 Markus Oberweger , Gernot Riegler , Paul Wohlhart , Vincent Lepetit

The estimation of the camera poses associated with a set of images commonly relies on feature matches between the images. In contrast, we are the first to address this challenge by using objectness regions to guide the pose estimation…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Matteo Taiana , Matteo Toso , Stuart James , Alessio Del Bue

We propose a method SPGNet for 3D human pose estimation that mixes multi-dimensional re-projection into supervised learning. In this method, the 2D-to-3D-lifting network predicts the global position and coordinates of the 3D human pose.…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Zihan Wang , Ruimin Chen , Mengxuan Liu , Guanfang Dong , Anup Basu

Purpose: Accurate 3D hand pose estimation supports surgical applications such as skill assessment, robot-assisted interventions, and geometry-aware workflow analysis. However, surgical environments pose severe challenges, including intense…

Autonomy in robot-assisted minimally invasive surgery has the potential to reduce surgeon cognitive and task load, thereby increasing procedural efficiency. However, implementing accurate autonomous control can be difficult due to poor…

机器人学 · 计算机科学 2026-03-18 Shuyuan Yang , Zonghe Chua

In this paper, we present a deep-learning based method for estimating the 3D structure of a bone from a pair of 2D X-ray images. Our triplet loss-trained neural network selects the most closely matching 3D bone shape from a predefined set…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Jana Čavojská , Julian Petrasch , Nicolas J. Lehmann , Agnès Voisard , Peter Böttcher

For certain manipulation tasks, object pose estimation from head-mounted cameras may not be sufficiently accurate. This is at least in part due to our inability to perfectly calibrate the coordinate frames of today's high degree of freedom…

机器人学 · 计算机科学 2022-04-12 Patrick Lancaster , Boling Yang , Joshua R. Smith

In the industrial domain, the pose estimation of multiple texture-less shiny parts is a valuable but challenging task. In this particular scenario, it is impractical to utilize keypoints or other texture information because most of them are…

机器人学 · 计算机科学 2019-09-27 Chen Chen , Xin Jiang , Weiguo Zhou , Yun-Hui Liu
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