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相关论文: 3D Spine Shape Estimation from Single 2D DXA

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Osteoporosis is a common chronic metabolic bone disease that is often under-diagnosed and under-treated due to the limited access to bone mineral density (BMD) examinations, Dual-energy X-ray Absorptiometry (DXA). In this paper, we propose…

图像与视频处理 · 电气工程与系统科学 2021-04-06 Fakai Wang , Kang Zheng , Yirui Wang , Xiaoyun Zhou , Le Lu , Jing Xiao , Min Wu , Chang-Fu Kuo , Shun Miao

Reconstruction of a 3D shape from a single 2D image is a classical computer vision problem, whose difficulty stems from the inherent ambiguity of recovering occluded or only partially observed surfaces. Recent methods address this challenge…

计算机视觉与模式识别 · 计算机科学 2020-02-04 Yuan Yao , Nico Schertler , Enrique Rosales , Helge Rhodin , Leonid Sigal , Alla Sheffer

This paper presents an automated method for 3D character skeleton extraction that can be applied for generic 3D shapes. Our work is motivated by the skeleton-based prior work on automatic rigging focused on skeleton extraction and can…

图形学 · 计算机科学 2017-05-17 Yong Khoo , Sang Chung

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

Intraoperative CT imaging serves as a crucial resource for surgical guidance; however, it may not always be readily accessible or practical to implement. In scenarios where CT imaging is not an option, reconstructing CT scans from X-rays…

图像与视频处理 · 电气工程与系统科学 2024-08-22 Zhi Qiao , Xuhui Liu , Xiaopeng Wang , Runkun Liu , Xiantong Zhen , Pei Dong , Zhen Qian

Spinal ligaments are crucial elements in the complex biomechanical simulation models as they transfer forces on the bony structure, guide and limit movements and stabilize the spine. The spinal ligaments encompass seven major groups being…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Ivanna Kramer , Lara Blomenkamp , Kevin Weirauch , Sabine Bauer , Dietrich Paulus

Ultrasound offers a radiation-free, cost-effective solution for real-time visualization of spinal landmarks, paraspinal soft tissues and neurovascular structures, making it valuable for intraoperative guidance during spinal procedures.…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Miruna-Alexandra Gafencu , Yordanka Velikova , Nassir Navab , Mohammad Farid Azampour

Three-dimensional medical imaging enables detailed understanding of osteoarthritis structural status. However, there remains a vast need for automatic, thus, reader-independent measures that provide reliable assessment of subject-specific…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Felix Ambellan , Stefan Zachow , Christoph von Tycowicz

Real-time 3D navigation during minimally invasive procedures is an essential yet challenging task, especially when considerable tissue motion is involved. To balance image acquisition speed and resolution, only 2D images or low-resolution…

计算机视觉与模式识别 · 计算机科学 2018-01-03 Xiao-Yun Zhou , Guang-Zhong Yang , Su-Lin Lee

In this paper, we present a solution for arbitrary 3D character deformation by investigating rotation angle of decomposition and preserving the mesh topology structure. In computer graphics, skeleton extraction and skeleton-driven animation…

计算机视觉与模式识别 · 计算机科学 2016-08-18 Hugo Martin , Raphael Fernandez , Yong Khoo

Objective The 3D printed medical models can come from virtual digital resources, like CT scanning. Nevertheless, the accuracy of CT scanning technology is limited, which is 1mm. In this situation, the collected data is not exactly the same…

其他计算机科学 · 计算机科学 2017-11-21 Zhen Shen , Yong Yao , Yi Xie , Chao Guo , Xiuqin Shang , Xisong Dong , Yuqing Li , Zhouxian Pan , Shi Chen , Hui Pan , Gang Xiong

In this work, we propose a new solution to 3D human pose estimation in videos. Instead of directly regressing the 3D joint locations, we draw inspiration from the human skeleton anatomy and decompose the task into bone direction prediction…

计算机视觉与模式识别 · 计算机科学 2021-01-27 Tianlang Chen , Chen Fang , Xiaohui Shen , Yiheng Zhu , Zhili Chen , Jiebo Luo

Accurate segmentation of spinal structures in X-ray images is a prerequisite for quantitative scoliosis assessment, including Cobb angle measurement, vertebral translation estimation and curvature classification. In routine practice,…

图像与视频处理 · 电气工程与系统科学 2025-12-09 Xuecheng Li , Weikuan Jia , Komildzhon Sharipov , Sharipov Hotam Beknazarovich , Farzona S. Ataeva , Qurbonaliev Alisher , Yuanjie Zheng

Reliable real-time 3D shape sensing is essential for robust control and interpretation of deformable systems during motion. Existing vision-based approaches require line-of-sight and complex instrumentation, limiting operation in occluded…

应用物理 · 物理学 2026-05-05 Kaiping Yin , Sooik Im , Chaorui Qiu , Yun Bai , Xiangyu Lu , Chenhang Li , Junjie Yao , Xiaoyue Ni

Virtual try-on and product personalization have become increasingly important in modern online shopping, highlighting the need for accurate body measurement estimation. Although previous research has advanced in estimating 3D body shapes…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Yafei Mao , Xuelu Li , Brandon Smith , Jinjin Li , Raja Bala

Spine surgery is a high-risk intervention demanding precise execution, often supported by image-based navigation systems. Recently, supervised learning approaches have gained attention for reconstructing 3D spinal anatomy from sparse…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Sascha Jecklin , Aidana Massalimova , Ruyi Zha , Lilian Calvet , Christoph J. Laux , Mazda Farshad , Philipp Fürnstahl

Objective: To test automated in vivo estimation of active and passive skeletal muscle states using ultrasonic imaging. Background: Current technology (electromyography, dynamometry, shear wave imaging) provides no general, non-invasive…

图像与视频处理 · 电气工程与系统科学 2019-07-04 Ryan J. Cunningham , Ian D. Loram

We present SpineTrack, the first comprehensive dataset for 2D spine pose estimation in unconstrained settings, addressing a crucial need in sports analytics, healthcare, and realistic animation. Existing pose datasets often simplify the…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Muhammad Saif Ullah Khan , Stephan Krauß , Didier Stricker

Pancreatic diseases are difficult to treat with high doses of radiation, as they often present both periodic and aperiodic deformations. Nevertheless, we expect that these difficulties can be overcome, and treatment results may be improved…