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相关论文: 3D Organ Shape Reconstruction from Topogram Images

200 篇论文

3-demensional (3D) culture model is a valuable in vitro tool to study liver biology, metabolism, organogenesis, tissue morphology, drug discovery and cell-based assays. Compelling evidence suggests that cells cultured in 3D model exhibit…

组织与器官 · 定量生物学 2019-11-20 Ting Yao , Yi Zhang , Mengjiao Lv , Guoqing Zang , Soon Seng Ng , Xiaohua Chen

To facilitate a prospective estimation of CT effective dose and risk minimization process, a prospective spatial dose estimation and the known anatomical structures are expected. To this end, a CT reconstruction method is required to…

图像与视频处理 · 电气工程与系统科学 2024-01-24 Chang Liu , Laura Klein , Yixing Huang , Edith Baader , Michael Lell , Marc Kachelrieß , Andreas Maier

Automated patient positioning can improve radiology workflow efficiency by reducing the time required for manual table adjustments and scout-based scan planning. We propose a learning-based framework that predicts 3D organ locations and…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Eytan Kats , Kai Geissler , Daniel Mensing , Julien Senegas , Jochen G. Hirsch , Stefan Heldman , Mattias P. Heinrich

We present a novel approach for benchmarking and validating quantitative phase tomography (QPT) systems using three-dimensional microphantoms. These microphantoms, crafted from biological and imaging data, replicate the optical and…

The objective of this paper is to significantly reduce the manual workload required from medical professionals in complex 3D segmentation tasks that cannot be yet fully automated. For instance, in radiotherapy planning, organs at risk must…

Liver cancer is one of the most prevalent and lethal forms of cancer, making early detection crucial for effective treatment. This paper introduces a novel approach for automated liver tumor segmentation in computed tomography (CT) images…

机器学习 · 计算机科学 2025-08-13 Nastaran Ghorbani , Bitasadat Jamshidi , Mohsen Rostamy-Malkhalifeh

The preoperative planning of liver surgery relies on Couinaud segmentation from computed tomography (CT) images, to reduce the risk of bleeding and guide the resection procedure. Using 3D point-based representations, rather than voxelizing…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Xiaotong Zhang , Alexander Broersen , Gonnie CM van Erp , Silvia L. Pintea , Jouke Dijkstra

Shape reconstruction of deformable organs from two-dimensional X-ray images is a key technology for image-guided intervention. In this paper, we propose an image-to-graph convolutional network (IGCN) for deformable shape reconstruction from…

图像与视频处理 · 电气工程与系统科学 2021-11-02 M. Nakao , F. Tong , M. Nakamura , T. Matsuda

While the availability of open 3D medical shape datasets is increasing, offering substantial benefits to the research community, we have found that many of these datasets are, unfortunately, disorganized and contain artifacts. These issues…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Khoa Tuan Nguyen , Francesca Tozzi , Wouter Willaert , Joris Vankerschaver , Nikdokht Rashidian , Wesley De Neve

Abdominal organ segmentation from CT and MRI is an essential prerequisite for surgical planning and computer-aided navigation systems. It is challenging due to the high variability in the shape, size, and position of abdominal organs.…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Fabian Bongratz , Anne-Marie Rickmann , Christian Wachinger

One of the most effective ways to treat liver cancer is to perform precise liver resection surgery, the key step of which includes precise digital image segmentation of the liver and its tumor. However, traditional liver parenchymal…

其他定量生物学 · 定量生物学 2024-06-11 Danyi Huang , Ziang Liu , Yizhou Li

Organ shape reconstruction based on a single-projection image during treatment has wide clinical scope, e.g., in image-guided radiotherapy and surgical guidance. We propose an image-to-graph convolutional network that achieves deformable…

图像与视频处理 · 电气工程与系统科学 2022-08-01 Megumi Nakao , Mitsuhiro Nakamura , Tetsuya Matsuda

Intraoperative ultrasound images are inherently challenging to interpret in liver surgery due to the limited field of view and complex anatomical structures. Bridging the gap between preoperative and intraoperative data is crucial for…

计算机视觉与模式识别 · 计算机科学 2025-08-29 Karl-Philippe Beaudet , Sidaty El Hadramy , Philippe C Cattin , Juan Verde , Stéphane Cotin

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

Chest computed tomography (CT) imaging adds valuable insight in the diagnosis and management of pulmonary infectious diseases, like tuberculosis (TB). However, due to the cost and resource limitations, only X-ray images may be available for…

图像与视频处理 · 电气工程与系统科学 2022-11-16 Elena Sizikova , Xu Cao , Ashia Lewis , Kenny Moise , Megan Coffee

This paper introduces a deep neural network based method, i.e., DeepOrganNet, to generate and visualize high-fidelity 3D / 4D organ geometric models from single-view medical image in real time. Traditional 3D / 4D medical image…

图形学 · 计算机科学 2019-07-23 Yifan Wang , Zichun Zhong , Jing Hua

Objective: Herein, a neural network-based liver segmentation algorithm is proposed, and its performance was evaluated using abdominal computed tomography (CT) images. Methods: A fully convolutional network was developed to overcome the…

计算机视觉与模式识别 · 计算机科学 2021-01-26 Minyoung Chung , Jingyu Lee , Minkyung Lee , Jeongjin Lee , Yeong-Gil Shin

Automatic segmentation of hepatic lesions in computed tomography (CT) images is a challenging task to perform due to heterogeneous, diffusive shape of tumors and complex background. To address the problem more and more researchers rely on…

图像与视频处理 · 电气工程与系统科学 2019-09-18 Dina B. Efremova , Dmitry A. Konovalov , Thanongchai Siriapisith , Worapan Kusakunniran , Peter Haddawy

Vision transformers, with their ability to more efficiently model long-range context, have demonstrated impressive accuracy gains in several computer vision and medical image analysis tasks including segmentation. However, such methods need…

图像与视频处理 · 电气工程与系统科学 2022-09-27 Jue Jiang , Neelam Tyagi , Kathryn Tringale , Christopher Crane , Harini Veeraraghavan

Morphological analysis of organs based on images is a key task in medical imaging computing. Several approaches have been proposed for the quantitative assessment of morphological changes, and they have been widely used for the analysis of…