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相关论文: Fetal Pose Estimation in Volumetric MRI using a 3D…

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Preterm infants (born between 28 and 37 weeks of gestation) face elevated risks of neurodevelopmental delays, making early identification crucial for timely intervention. While deep learning-based volumetric segmentation of brain MRI scans…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Lexin Ren , Jiamiao Lu , Weichuan Zhang , Benqing Wu , Tuo Wang , Yi Liao , Jiapan Guo , Changming Sun , Liang Guo

We aim to simultaneously estimate the 3D articulated pose and high fidelity volumetric occupancy of human performance, from multiple viewpoint video (MVV) with as few as two views. We use a multi-channel symmetric 3D convolutional…

计算机视觉与模式识别 · 计算机科学 2020-09-08 Andrew Gilbert , Matthew Trumble , Adrian Hilton , John Collomosse

Full 3D estimation of human pose from a single image remains a challenging task despite many recent advances. In this paper, we explore the hypothesis that strong prior information about scene geometry can be used to improve pose estimation…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Zhe Wang , Liyan Chen , Shaurya Rathore , Daeyun Shin , Charless Fowlkes

Recent advances in deep pose estimation models have proven to be effective in a wide range of applications such as health monitoring, sports, animations, and robotics. However, pose estimation models fail to generalize when facing images…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Vandad Davoodnia , Saeed Ghorbani , Ali Etemad

The problem of identifying the 3D pose of a known object from a given 2D image has important applications in Computer Vision ranging from robotic vision to image analysis. Our proposed method of registering a 3D model of a known object on a…

计算机视觉与模式识别 · 计算机科学 2012-02-10 Srimal Jayawardena , Marcus Hutter , Nathan Brewer

In many real-world settings, image observations of freely rotating 3D rigid bodies may be available when low-dimensional measurements are not. However, the high-dimensionality of image data precludes the use of classical estimation…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Justice Mason , Christine Allen-Blanchette , Nicholas Zolman , Elizabeth Davison , Naomi Ehrich Leonard

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

Anatomical landmarks are a crucial prerequisite for many medical imaging tasks. Usually, the set of landmarks for a given task is predefined by experts. The landmark locations for a given image are then annotated manually or via machine…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Richard Droste , Pierre Chatelain , Lior Drukker , Harshita Sharma , Aris T. Papageorghiou , J. Alison Noble

Human pose estimation (i.e., locating the body parts / joints of a person) is a fundamental problem in human-computer interaction and multimedia applications. Significant progress has been made based on the development of depth sensors,…

计算机视觉与模式识别 · 计算机科学 2016-08-16 Keze Wang , Shengfu Zhai , Hui Cheng , Xiaodan Liang , Liang Lin

Category-level pose estimation is a challenging task with many potential applications in computer vision and robotics. Recently, deep-learning-based approaches have made great progress, but are typically hindered by the need for large…

计算机视觉与模式识别 · 计算机科学 2023-11-27 Pengyuan Wang , Takuya Ikeda , Robert Lee , Koichi Nishiwaki

Visual Odometry (VO) is used in many applications including robotics and autonomous systems. However, traditional approaches based on feature matching are computationally expensive and do not directly address failure cases, instead relying…

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

Many approaches have been proposed for human pose estimation in single and multi-view RGB images. However, some environments, such as the operating room, are still very challenging for state-of-the-art RGB methods. In this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2017-01-26 Abdolrahim Kadkhodamohammadi , Afshin Gangi , Michel de Mathelin , Nicolas Padoy

Ultrasound (US) is the most widely used fetal imaging technique. However, US images have limited capture range, and suffer from view dependent artefacts such as acoustic shadows. Compounding of overlapping 3D US acquisitions into a…

The motion capture system that supports full-body virtual representation is of key significance for virtual reality. Compared to vision-based systems, full-body pose estimation from sparse tracking signals is not limited by environmental…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Zunjie Zhu , Yan Zhao , Yihan Hu , Guoxiang Wang , Hai Qiu , Bolun Zheng , Chenggang Yan , Feng Xu

Although human pose estimation for various computer vision (CV) applications has been studied extensively in the last few decades, yet in-bed pose estimation using camera-based vision methods has been ignored by the CV community because it…

计算机视觉与模式识别 · 计算机科学 2019-06-06 Shuangjun Liu , Yu Yin , Sarah Ostadabbas

Diffusion MRI (dMRI) provides unique insights into fetal brain microstructure in utero. Longitudinal and cross-sectional fetal dMRI studies can reveal crucial neurodevelopmental changes but require precise spatial alignment across scans and…

图像与视频处理 · 电气工程与系统科学 2025-05-13 Bo Li , Qi Zeng , Simon K. Warfield , Davood Karimi

3D ultrasound (US) can facilitate detailed prenatal examinations for fetal growth monitoring. To analyze a 3D US volume, it is fundamental to identify anatomical landmarks of the evaluated organs accurately. Typical deep learning methods…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Chaoyu Chen , Xin Yang , Ruobing Huang , Wenlong Shi , Shengfeng Liu , Mingrong Lin , Yuhao Huang , Yong Yang , Yuanji Zhang , Huanjia Luo , Yankai Huang , Yi Xiong , Dong Ni

Real-time magnetic resonance imaging (MRI) methods generally shorten the measuring time by acquiring less data than needed according to the sampling theorem. In order to obtain a proper image from such undersampled data, the reconstruction…

数值分析 · 数学 2013-12-05 Housen Li , Markus Haltmeier , Shuo Zhang , Jens Frahm , Axel Munk

Robust and accurate 2D/3D registration, which aligns preoperative models with intraoperative images of the same anatomy, is crucial for successful interventional navigation. To mitigate the challenge of a limited field of view in…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Yuxin Cui , Rui Song , Yibin Li , Max Q. -H. Meng , Zhe Min

In recent years, a plethora of diverse methods have been proposed for 3D pose estimation. Among these, self-attention mechanisms and graph convolutions have both been proven to be effective and practical methods. Recognizing the strengths…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Sihan Wen , Xiantan Zhu , Zhiming Tan