An x-ray source for computer tomography uses several sub-sources. An electron beam impacts the several sub-sources to achieve a high x-ray flux with high resolution. The several sub-sources produce a composite image, which is deconvolved to disentangle the composite image and render a useful image. The configuration of the several sub...
X-ray, or X-radiation, is a form of electromagnetic radiation that can pass through many materials that are opaque to light. They can be used to take images of the inside of the human body.
X-Ray imaging is a technique that relies on the differential absorption of photons by tissues based on their electron density. It produces two-dimensional images of three-dimensional structures by detecting the photons passing through the body using film or digital detectors. ...
The simulation is based on ray-tracing and on the X-ray attenuation law. The use of Computer Aided Drawing (CAD) models enables simulations to be carried out with complex three-dimensional (3D) objects. 模拟的数据基于cad模型,模拟xray光线追踪(实际上这篇文章只用到了光线投射,不考虑其他反射之类的...
X-ray imaging is the oldest medical imaging modality, which found its way into medical practice shortly after the discovery of the X-rays in 1895. X-ray imaging is a projection technique, and image formation takes place traditionally on photosensitive film, although direct digital X-ray imaging...
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Speckle-tracking imaging has the advantages of simple setup and high-sensitivity to slowly varying phase gradients. Subset size choice is regarded as a trade-off problem for speckle-tracking X-ray imaging where one needs to balance the spatial resolution
Imaging of biological materials and cells with X-ray microscopy, which has high application potential, can break the diffraction limit barrier of traditional optical microscopy and exceed the transmission depth of electron microscopy. In this study, we introduce the examples of X-ray microscopy technol...
讲座主题:High-resolution X-ray imaging— Applications for materials engineering andsustainable energy technologies 主讲人:Ehrenfried Zschech 讲座时间:10月8日(周二)10:00-12:00 讲座地点: 九龙湖校区大学生活动中心一楼圆形报告厅演奏厅(主会场)
1) digitized X-ray imaging technique数字化X线成像1. Objective To investigate the applied values of digitized X-ray imaging technique in pediatrics. 目的探讨数字化X线成像在儿科的临床应用价值。2) indirect digital radiography 间接数字化X线成像 1. Methods About 400 human maxillary anterior teeth were ...