Reducing movement artifacts in whole body scanning
conference paper
Movement artifacts during whole body scanning area a major concern when reproducible results are required. To determine the magnitude of the artifacts, 11 subjects were scanned with and without a positioning device on the head. The sway of the body was determined by a force plate. It was shown that the pointer on the head reduced the magnitude of the forward/backward sway by over 50%. The resulting standard deviation is less than the resolution of the scanner. Movement artifacts within the body, like head rotation, are hard to control. Again, the pointer of the head assists in reducing the artifacts. The ventilation depth during the scan determines the shape of the chest and should be standardized to get reproducible results.
Door een geveerde pin op het hoofd te plaatsen bij lichaamsscanning nemen ongewenste bewegingsartifacten zodanig af, dat ze nauwlijks meer van invloed zijn.
Topics
TNO Identifier
9140
Source title
Proceedings of the 1997 1st International Conference on Recent Advances in 3-D Digital Imaging and Modeling, 12 May 1997 through 15 May 1997, Ottawa, Can,
Pages
262-265
Files
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