Andreas keil software#
CONRAD is a Java-based state-of-the-art software platform with extensive documentation. In an effort to tackle this problem, the authors created CONRAD, a software framework that provides many of the tools that are required to simulate basic processes in x-ray imaging and perform image reconstruction with consideration of nonlinear physical effects. Often the same algorithm is implemented multiple times by different groups in order to enable comparison. Many of these tools are proprietary and can only be used within a certain lab. more In the community of x-ray imaging, there is a multitude of tools and applications that are used in scientific practice. In the community of x-ray imaging, there is a multitude of tools and applications that are used i. We conclude that the B-spline motion model is promising to provide better robustness against noise. These quantitative results are confirmed by a visual comparison, in which JRBS provides straighter edges and a smoother displacement field. Additionally, the MCC of JRBS is located at a lower noise level. In the quantitative analysis, JRBS provides a higher maximal correlation coefficient (MCC) than JRDF. In this paper, we compare two joint reconstruction methods which differ in the used motion model: a displacement field model (JRDF) and a B-spline model (JRBS). Since image reconstruction in ET is dealing with highly noisy data, a robust motion model together with an effective regularization scheme is necessary. These methods usually consist in optimizing an objective function which measures the similarity of an estimated data vector to the measured one according to the given estimates for image and motion.
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more Joint reconstruction methods of image and motion for Emission Tomography have emerged recently. Joint reconstruction methods of image and motion for Emission Tomography have emerged recently.