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International Conference on Graphic and Image Processing (ICGIP 2011)
Accurate attenuation correction of emission data is mandatory for quantitative analysis of PET images. One of the main concerns in CT-based attenuation correction(CTAC) of PET data in multimodality PET/CT imaging is misalignment between PET and CT images. The aim of this study, is to proposed a hybrid method which is simple, fast and accurate, for registration of PET and CT data which affected from respiratory motion in order to improve the quality of CTAC. The algorithm is composed of threedoi:10.1117/12.913422 fatcat:5dgmjpyjdbcqpibtmelifsqzai