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Image Reconstruction from Biplane Angiographic Projections

机译：双平面血管造影预测的图像重建

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The thesis deals with the three-dimensional reconstruction of the distribution ofthe contrast dye over the myocardium of the left ventricle from biplane angiographic projection data, and elaborates upon related angiocardiographic image processing procedures. These related procedures are vital to the three-dimensional reconstruction and purposeful in their own right. Chapter 1 contains an introductory overview of the field of angiocardiography. In Chapter 2, the authors introduce image reconstruction techniques. Chapter 3 contains a complete description of how to compute viewpoints from which an object can be visualized with a minimum of foreshortening. Chapter 4 postulates a simple X-ray absorption model. Chapter 5 is devoted to the development of anatomical and geometrical models of the left coronary tree and models of the distribution of blood over the myocardium. In Chapter 6, the authors describe the extraction, labelling and reconstruction of the left coronary tree. Chapter 7 deals with the automatic delineation of the contour of the left ventricular chamber in the 30 degree Right Anterior Oblique (RAO) view. In Chapter 8, a constrained, regularized matrix inversion technique is described which was developed to obtain an impression of the distribution of the blood over the myocardium. Chapter 9 concentrates on the Network Programming Reconstruction Technique (NPRT) to find a solution to the reconstruction problem with a minimum error to the solution of the adjacent slice. Chapter 10 describes the experience with a clinical study.

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