Factors affecting the normality of channel outputs of channelized model observers: an investigation using realistic myocardial perfusion SPECT images

The channelized Hotelling observer (CHO) uses the first- and second-order statistics of channel outputs under both hypotheses to compute test statistics used in binary classification tasks. If these input data deviate from a multivariate normal (MVN) distribution, the classification performance will...

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Veröffentlicht in:J Med Imaging (Bellingham)
Hauptverfasser: Elshahaby, Fatma E. A., Ghaly, Michael, Jha, Abhinav K., Frey, Eric C.
Format: Artigo
Sprache:Inglês
Veröffentlicht: Society of Photo-Optical Instrumentation Engineers 2016
Schlagworte:
Image Perception, Observer Performance, and Technology Assessment
Online Zugang:https://ncbi.nlm.nih.gov/pmc/articles/PMC4730550/
https://ncbi.nlm.nih.gov/pubmed/26839913
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1117/1.JMI.3.1.015503
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