Vision-based markerless registration using stereo vision and an augmented reality surgical navigation system: a pilot studyBMC Medical Imaging - Tập 15 - Trang 1-11 - 2015
Hideyuki Suenaga, Huy Hoang Tran, Hongen Liao, Ken Masamune, Takeyoshi Dohi, Kazuto Hoshi, Tsuyoshi Takato
This study evaluated the use of an augmented reality navigation system that provides a markerless registration system using stereo vision in oral and maxillofacial surgery. A feasibility study was performed on a subject, wherein a stereo camera was used for tracking and markerless registration. The computed tomography data obtained from the volunteer was used to create an integral videography imag...... hiện toàn bộ
A comparative analysis of diffusion-weighted imaging and ultrasound in thyroid nodulesBMC Medical Imaging - Tập 19 - Trang 1-6 - 2019
Weidan Kong, Xiuhui Yue, Jiliang Ren, Xiaofeng Tao
Diffusion-weighted imaging (DWI) and ultrasound are commonly used methods to examine thyroid nodules, but their comparative value is rarely studied. We evaluated the utility of DWI and ultrasound in differentiating benign and malignant thyroid nodules. A total of 100 patients with 137 nodules who underwent both DWI and ultrasound before operation were enrolled. The T1 and T2 signal intensity ratio...... hiện toàn bộ
Đánh giá các mạng nơ-ron tích chập cho việc phát hiện chuyển động giữa các lần nín thở từ một chồng hình ảnh cắt ngang tim Dịch bởi AI BMC Medical Imaging - Tập 23 - Trang 1-10 - 2023
Yoon-Chul Kim, Min Woo Kim
Nghiên cứu này nhằm phát triển và xác thực một phương pháp dựa trên học sâu để phát hiện chuyển động giữa các lần nín thở từ hình ảnh trục dài tim được ước tính, tái tạo từ một chồng hình ảnh cắt ngang tim. Dữ liệu hình ảnh cộng hưởng từ tim cine từ tất cả các lát cắt cắt ngang và các lát cắt trục dài 2-/3-/4 buồng được xem xét cho nghiên cứu này. Dữ liệu từ 740 đối tượng được sử dụng để phát triể...... hiện toàn bộ
#học sâu #mạng nơ-ron tích chập #chuyển động giữa các lần nín thở #hình ảnh cắt ngang tim #cộng hưởng từ tim cine
The impact of cardiopulmonary hemodynamic factors in volumetry for pulmonary nodule managementBMC Medical Imaging - - 2022
Erique Pinto, Diana Penha, Bruno Hochhegger, Colin Monaghan, Edson Marchiori, Luís Taborda‐Barata, Klaus Irion
Abstract
Background
The acceptance of coronary CT angiogram (CCTA) scans in the management of stable angina has led to an exponential increase in studies performed and reported incidental findings, including pulmonary nodules (PN). Using low-dose CT scans, volumetry tools are used in growth assessme...... hiện toàn bộ
Identification of radiomic biomarkers in a set of four skeletal muscle groups on Dixon MRI of the NAKO MR studyBMC Medical Imaging - Tập 23 - Trang 1-23 - 2023
Marc Fischer, Thomas Küstner, Sofia Pappa, Thoralf Niendorf, Tobias Pischon, Thomas Kröncke, Stefanie Bette, Sara Schramm, Börge Schmidt, Johannes Haubold, Felix Nensa, Tobias Nonnenmacher, Viktoria Palm, Fabian Bamberg, Lena Kiefer, Fritz Schick, Bin Yang
In this work, we propose a processing pipeline for the extraction and identification of meaningful radiomics biomarkers in skeletal muscle tissue as displayed using Dixon-weighted MRI. Diverse and robust radiomics features can be identified that may be of aid in the accurate quantification e.g. varying degrees of sarcopenia in respective muscles of large cohorts. As such, the approach comprises th...... hiện toàn bộ
Performances of clinical characteristics and radiological findings in identifying COVID-19 from suspected casesBMC Medical Imaging - Tập 22 - Trang 1-14 - 2022
Xuanxuan Li, Yajing Zhao, Yiping Lu, Yingyan Zheng, Nan Mei, Qiuyue Han, Zhuoying Ruan, Anling Xiao, Xiaohui Qiu, Dongdong Wang, Bo Yin
To identify effective factors and establish a model to distinguish COVID-19 patients from suspected cases. The clinical characteristics, laboratory results and initial chest CT findings of suspected COVID-19 patients in 3 institutions were retrospectively reviewed. Univariate and multivariate logistic regression were performed to identify significant features. A nomogram was constructed, with cali...... hiện toàn bộ
Analysis of CT signs, radiomic features and clinical characteristics for delta variant COVID-19 patients with different vaccination statusBMC Medical Imaging - Tập 22 - Trang 1-12 - 2022
Huanhuan Wei, Zehua Shao, Jianqing Tai, Fangfang Fu, Chuanjian Lv, Zhiping Guo, Yaping Wu, Lijuan Chen, Yan Bai, Qingxia Wu, Xuan Yu, Xinling Mu, Fengmin Shao, Meiyun Wang
To explore the characteristics of peripheral blood, high resolution computed tomography (HRCT) imaging and the radiomics signature (RadScore) in patients infected with delta variant virus under different coronavirus disease (COVID-19) vaccination status.
123 patients with delta variant virus infection collected from November 1, 2021 to March 1, 2022 were analyzed retrospectively. According to COV...... hiện toàn bộ