Direct estimation and correction of bias from temporally variable non-stationary noise in a channelized Hotelling model observer
Abstract
Channelized Hotelling model observer (CHO) methods were developed to assess performance of an x-ray angiography system. The analytical methods included correction for known bias error due to finite sampling. Detectability indices ([Formula: see text]) corresponding to disk-shaped objects with diameters in the range 0.5-4 mm were calculated. Application of the CHO for variable detector target dose (DTD) in the range 6-240 nGy frame(-1) resulted...
Paper Details
Title
Direct estimation and correction of bias from temporally variable non-stationary noise in a channelized Hotelling model observer
Published Date
Jul 6, 2016
Volume
61
Issue
15
Pages
5606 - 5620
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