METHOD TO GHOST ARTIFACT REDUCTION IN ECHO PLANAR IMAGING(EPI) WITH SENSITIVITY ENCODING(SENSE) AND COMPUTER READABLE RECORD MEDIUM ON WHICH PROGRAM FOR EXECUTING METHOD IS RECORDED

摘要

A method of reducing a ghost artifact in an EPI by using sensitivity encoding and a computer readable record medium with a program for executing the method are provided to remove an aliasing signal by using the sensitivity encoding. An initial image is obtained by using a multiple channel coil of an EPI(Echo Planar Image), in which an odd image and an even image are alternatively obtained from left and right parts of a path obtaining a signal of a frequency region. Only even image is collected from the initial image, and then is Fourier-transformed to obtain an even intermediate image. Only odd image is collected from the initial image, and then is Fourier-transformed to obtain an odd intermediate image. The even intermediate image and the odd intermediate image are sensitivity-encoded to obtain an even image and an odd image. A final image is generated by taking an average of the even image and odd image.