Research on the method for measuring the focal spot size of micro-focus X-ray sources using the JIMA resolution test card [0.03%]
基于JIMA分辨力测试卡的微焦点X射线源焦点尺寸测量方法研究
Li Fengxiao,Wang Yixin,Xu Haodong et al.
Li Fengxiao et al.
BackgroundMeasuring an X-ray source's focal spot size is vital for Micro-CT resolution. Standard methods are often too complex or inaccurate. The popular JIMA resolution test card is simple to use but lacks a clear, quantitative formula to ...
Optimizing cancer classification: A metaheuristic-driven review of feature selection and deep learning approaches [0.03%]
基于元启发式优化的癌症分类:特征选择与深度学习方法综述
Mehtab Kiran Suddle,Maryam Bashir
Mehtab Kiran Suddle
Cancer remains a leading cause of mortality, where early detection significantly improves survival rates. Advances in technology have enabled automated cancer detection using medical imaging and microarray gene expression data. However, the...
Rongchang Chen,Honglan Xie,Guohao Du et al.
Rongchang Chen et al.
Synchrotron radiation micro-computed tomography (SR-µCT) is a vital technique for the quantitative characterization of three-dimensional internal structures across diverse fields, including energy, integrated circuits, materials science, b...
Accelerating direct material decomposition via diffusion probabilistic model for Sparse-view spectral computed tomography [0.03%]
基于扩散概率模型的稀疏光子计数能谱CT材料分解方法加速重建算法研究
Jie Guo,Ailong Cai,Junru Ren et al.
Jie Guo et al.
Accurate material decomposition constitutes the foundation of Spectral Computed Tomography (Spectral CT) applications across diverse domains. Nevertheless, conventional model-based material decomposition methods face significant limitations...
A self-training framework for semi-supervised pulmonary vessel segmentation and its application in COPD [0.03%]
一种半监督肺血管分割的自训练框架及其在COPD中的应用
Shuiqing Zhao,Meihuan Wang,Jiaxuan Xu et al.
Shuiqing Zhao et al.
BackgroundIt is fundamental for accurate segmentation and quantification of the pulmonary vessel, particularly smaller vessels, from computed tomography (CT) images in chronic obstructive pulmonary disease (COPD) patients.ObjectiveThe aim o...
CADRE: A novel unsupervised reconstruction algorithm for limited-angle CT of ancient wooden structures [0.03%]
用于古建筑木材结构限制角度CT成像的新型无监督重建算法CADRE
Jintao Fu,Peng Cong,Tianchen Zeng et al.
Jintao Fu et al.
BackgroundNon-destructive testing (NDT) is crucial for the preservation and restoration of ancient wooden structures, with Computed Tomography (CT) increasingly utilized in this field. However, practical CT examinations of these structures-...
A novel high order directional total variation algorithm of EPR imaging for fast scan [0.03%]
一种新的EPR成像快速扫描的高阶方向全变分算法
Chenyun Fang,Yarui Xi,Rui Hu et al.
Chenyun Fang et al.
BackgroundPulsed Electron paramagnetic resonance (EPR) imaging (EPRI) is an advanced oxygen imaging modality for precision radiotherapy, typically acquires high signal-to-noise ratio (SNR) data by averaging the repeatedly collected projecti...
A discrete grayscale prior-based exterior reconstruction algorithm for polychromatic X-ray CT [0.03%]
基于离散灰度先验的多色CT外推重建算法
Haifang Fu,Zhiting Liu,Yunsong Zhao
Haifang Fu
Exterior CT imaging is a special X-ray imaging problem that allows for nondestructive testing of relatively large tubular samples by using smaller detectors. However, due to the incomplete nature of the exterior projection data, the exterio...