Title :
Weighted least-squares filtered backprojection tomographic reconstruction
Author :
Chinn, Gany ; Huang, Sung-Cheng
Author_Institution :
Sch. of Med., California Univ., Los Angeles, CA, USA
fDate :
3/1/1995 12:00:00 AM
Abstract :
This letter presents a filtered backprojection algorithm for a direct weighted least-squares (DWLS) tomographic image reconstruction.<>
Keywords :
computerised tomography; image reconstruction; least squares approximations; medical image processing; medical signal processing; algorithm; computed tomography; filtered backprojection tomographic reconstruction; image reconstruction; weighted least-squares; Biomedical imaging; Computed tomography; Convolution; Cost function; Covariance matrix; Detectors; Equations; Filters; Gaussian noise; Image reconstruction;
Journal_Title :
Signal Processing Letters, IEEE