STIR Description of the STIR implementation of FBP 3 DRP
نویسندگان
چکیده
منابع مشابه
STIR General Overview
4 Reconstruction algorithms currently distributed 4 4.1 FBP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4.2 3DRP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4.3 Ordered Subsets Maximum A Posteriori using the One Step Late algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4.4 OSSPS . . . . . . . . . . . . . . . . . . . . ....
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A recent paper on MR imaging of infectious spondylitis [1) elaborated on and substantiated a previous report [2) of STIR in the evaluation of spinal infection. However, it also contained an important error in pulse sequence nomenclature: STIR was described as "short T1 inversion recovery. " The STIR sequence was described and named by Drs. Bydder, Young, and Steiner [3 , 4) as "short Tl inversi...
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The fine grain structure of friction-stir welded aluminum alloys is unstable during post weld heat treatment and some grains abnormally grown. In this study, the sequence of abnormal grain growth during T6 heat treatment of Al-7075 friction-stir weld and its effect on mechanical properties of the weld was studied. The results showed that heat treatment in 510 ˚C resulted in drastic grain growth...
متن کاملExperimental study of formability of friction stir welded ultra-thin sheets of IF steel
In this paper, the experimental investigation of formability of friction stir welded ultra-thin sheets of IF steel is investigated experimentally. First, the sheets are joined by friction stir welding process based on the tests determined according to the Taguchi design of experiments. The investigated parameters in the welding process are as tool rotational and traverse speeds. Then, the tailo...
متن کاملEFFECTOFROTATIONALSPEED (Ù) ON THE PARTICLES BREAK UPAND HARDNESS VALUES IN 2024-T851 FRICTION STIR WELDS
Abstract:In this study, an effort has been made to determine the influence of rotational speed of tool on themicrostructure and hardness values of friction stir welded 2024-T851 aluminum alloy. The microstructure of stir zonein the joints has been investigated. It was found that the particles such as Al6(CuFeMn) particles are broken up duringfriction stir welding, and the degree of break up of ...
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تاریخ انتشار 2004