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Image-guided drawing can compensate for the lack of skills but often requires a significant number of repetitive strokes to create textures. Existing automatic stroke synthesis methods are usually limited to predefined styles or require…

图形学 · 计算机科学 2021-08-17 Yilan Chen , Kin Chung Kwan , Li-Yi Wei , Hongbo Fu

The emergence of real-time 3D ultrasound (US) makes it possible to consider image-based tracking of subcutaneous soft tissue targets for computer guided diagnosis and therapy. We propose a 3D transrectal US based tracking system for precise…

其他计算机科学 · 计算机科学 2008-01-17 Michael Baumann , Pierre Mozer , Vincent Daanen , Jocelyne Troccaz

Three-dimensional (3D) reconstruction of head Computed Tomography (CT) images elucidates the intricate spatial relationships of tissue structures, thereby assisting in accurate diagnosis. Nonetheless, securing an optimal head CT scan…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Bowen Zheng , Chenxi Huang , Yuemei Luo

Skull-stripping methods aim to remove the non-brain tissue from acquisition of brain scans in magnetic resonance (MR) imaging. Although several methods sharing this common purpose have been presented in literature, they all suffer from the…

计算机视觉与模式识别 · 计算机科学 2018-10-26 Gabriele Valvano , Nicola Martini , Andrea Leo , Gianmarco Santini , Daniele Della Latta , Emiliano Ricciardi , Dante Chiappino

We propose a new self-supervised method for pre-training the backbone of deep perception models operating on point clouds. The core idea is to train the model on a pretext task which is the reconstruction of the surface on which the 3D…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Alexandre Boulch , Corentin Sautier , Björn Michele , Gilles Puy , Renaud Marlet

Accurate and robust tracking and reconstruction of the surgical scene is a critical enabling technology toward autonomous robotic surgery. Existing algorithms for 3D perception in surgery mainly rely on geometric information, while we…

图像与视频处理 · 电气工程与系统科学 2023-02-21 Shan Lin , Albert J. Miao , Jingpei Lu , Shunkai Yu , Zih-Yun Chiu , Florian Richter , Michael C. Yip

We present a self-supervised method to learn dynamic 3D deformations of garments worn by parametric human bodies. State-of-the-art data-driven approaches to model 3D garment deformations are trained using supervised strategies that require…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Igor Santesteban , Miguel A. Otaduy , Dan Casas

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

Reconstructing a 3D hand from a single-view RGB image is challenging due to various hand configurations and depth ambiguity. To reliably reconstruct a 3D hand from a monocular image, most state-of-the-art methods heavily rely on 3D…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Yujin Chen , Zhigang Tu , Di Kang , Linchao Bao , Ying Zhang , Xuefei Zhe , Ruizhi Chen , Junsong Yuan

Radiologists routinely perform the tedious task of lesion localization, classification, and size measurement in computed tomography (CT) studies. Universal lesion detection and tagging (ULDT) can simultaneously help alleviate the cumbersome…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Jared Frazier , Tejas Sudharshan Mathai , Jianfei Liu , Angshuman Paul , Ronald M. Summers

Various deep learning techniques have been proposed to solve the single-view 2D-to-3D pose estimation problem. While the average prediction accuracy has been improved significantly over the years, the performance on hard poses with depth…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Ailing Zeng , Xiao Sun , Lei Yang , Nanxuan Zhao , Minhao Liu , Qiang Xu

Existing learning-based surface reconstruction methods from point clouds are still facing challenges in terms of scalability and preservation of details on large-scale point clouds. In this paper, we propose the SSRNet, a novel scalable…

计算机视觉与模式识别 · 计算机科学 2020-04-15 Zhenxing Mi , Yiming Luo , Wenbing Tao

This study introduces a novel self-supervised learning approach for volumetric segmentation of defect indications captured by phased array ultrasonic testing data from Carbon Fiber Reinforced Polymers (CFRPs). By employing this…

信号处理 · 电气工程与系统科学 2024-11-13 Shaun McKnight , Vedran Tunukovic , Amine Hifi , Gareth Pierce , Ehsan Mohseni , Charles MacLeod , Tom OHare

Tracking the 6D pose of objects in video sequences is important for robot manipulation. This work presents se(3)-TrackNet, a data-driven optimization approach for long term, 6D pose tracking. It aims to identify the optimal relative pose…

计算机视觉与模式识别 · 计算机科学 2022-02-10 Bowen Wen , Chaitanya Mitash , Kostas Bekris

This work describes a novel methodology for automatic contour extraction from 2D images of 3D neurons (e.g. camera lucida images and other types of 2D microscopy). Most contour-based shape analysis methods can not be used to characterize…

计算机视觉与模式识别 · 计算机科学 2008-10-24 J. J. G. Leandro , R. M. Cesar , L. da F. Costa

The difficulties in both data acquisition and annotation substantially restrict the sample sizes of training datasets for 3D medical imaging applications. As a result, constructing high-performance 3D convolutional neural networks from…

图像与视频处理 · 电气工程与系统科学 2022-01-06 Shu Zhang , Zihao Li , Hong-Yu Zhou , Jiechao Ma , Yizhou Yu

Recently, deep learning based 3D face reconstruction methods have shown promising results in both quality and efficiency.However, training deep neural networks typically requires a large volume of data, whereas face images with ground-truth…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Yu Deng , Jiaolong Yang , Sicheng Xu , Dong Chen , Yunde Jia , Xin Tong

In this work we present a method to improve the pruning step of the current state-of-the-art methodology to compress neural networks. The novelty of the proposed pruning technique is in its differentiability, which allows pruning to be…

计算机视觉与模式识别 · 计算机科学 2019-01-08 Franco Manessi , Alessandro Rozza , Simone Bianco , Paolo Napoletano , Raimondo Schettini

Medical instrument segmentation in 3D ultrasound is essential for image-guided intervention. However, to train a successful deep neural network for instrument segmentation, a large number of labeled images are required, which is expensive…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Hongxu Yang , Caifeng Shan , R. Arthur Bouwman , Lukas R. C. Dekker , Alexander F. Kolen , Peter H. N. de With

In recent years, implicit surface representations through neural networks that encode the signed distance have gained popularity and have achieved state-of-the-art results in various tasks (e.g. shape representation, shape reconstruction,…

图形学 · 计算机科学 2023-01-30 Petros Tzathas , Petros Maragos , Anastasios Roussos