4D Modeling and Estimation of Respiratory Motion for by Jan Ehrhardt,Cristian Lorenz PDF

By Jan Ehrhardt,Cristian Lorenz

ISBN-10: 3642364403

ISBN-13: 9783642364402

ISBN-10: 364244606X

ISBN-13: 9783642446061

respiration movement factors a huge uncertainty in radiotherapy making plans of the thorax and higher stomach. the most aim of radiation treatment is to remove or cut down tumor cells with out destructive the encircling tissue by means of providing a excessive radiation dose to the tumor quarter and a dose as little as attainable to fit organ tissues. assembly this call for is still a problem specially in case of lung tumors as a result of breathing-induced tumor and organ movement the place movement amplitudes can degree as much as numerous centimeters. consequently, modeling of respiration movement has develop into more and more very important in radiation remedy. With 4D imaging ideas spatiotemporal snapshot sequences should be bought to enquire dynamic methods within the patient’s physique. in addition, photo registration permits the estimation of the breathing-induced movement and the outline of the temporal switch in place and form of the buildings of curiosity by means of constructing the correspondence among pictures got at diversified stages of the respiring cycle. In radiation treatment those movement estimations are used to outline exact therapy margins, e.g. to calculate dose distributions and to advance prediction versions for gated or robot radiotherapy. during this booklet, the expanding position of snapshot registration and movement estimation algorithms for the translation of complicated 4D clinical snapshot sequences is illustrated. assorted 4D CT picture acquisition options and conceptually various movement estimation algorithms are offered. The medical relevance is confirmed through instance functions that are concerning the radiation treatment of thoracic and belly tumors. The cutting-edge and views are proven via an perception into the present box of analysis. The publication is addressed to biomedical engineers, scientific physicists, researchers and physicians operating within the fields of scientific snapshot research, radiology and radiation therapy.

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4D Modeling and Estimation of Respiratory Motion for Radiation Therapy (Biological and Medical Physics, Biomedical Engineering) by Jan Ehrhardt,Cristian Lorenz

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