Evaluation of Window Parameters of CT Brain Images With Statistical Central Moments
K.S. Sim; M.E. Nia; C.S. Ta; C.P. Tso; T.K. Kho; C.S. Ee Multimedia University, Melaka, Malaysia
Abstract
Unenhanced computed tomography (CT) brain images are normally displayed by adjusting the window setting, which shows the images from the Digital Imaging and Communications in Medicine format into the standard grayscale format. The two parameters in the window setting are the center level and the window width, which are adjusted to show the region of interest. Various parameters or related indicators that affect the window setting are studied. Four mathematical central moments, namely, mean, variance, kurtosis, and skewness, are applied and ...
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