000124991 001__ 124991
000124991 005__ 20180913054625.0
000124991 037__ $$aCONF
000124991 245__ $$aFast Bias Field Correction for 9.4 Tesla Magnetic Resonance  Imaging
000124991 269__ $$a2008
000124991 260__ $$aLausanne, Switzerland$$c2008
000124991 336__ $$aConference Papers
000124991 520__ $$aIn this paper the problem of intensity inhomogeneity at  high magnetic field on magnetic resonance images is  addressed. Specifically, rat brain images at 9.4T acquired  with a surface coil are bias corrected. We propose a low- pass frequency model that takes into account not only  background-object contours but also other important  contours inside the image. Two pre-processing filters are  proposed: first, to create a volume of interest without  contours, and second, to extrapolate the image values of  such masked area to the whole image. Results are assessed  quantitatively and visually in comparison to standard low  pass filter approach, and they show as expected better  accuracy in enhancing image intensity.
000124991 6531_ $$aLTS5
000124991 6531_ $$aMagnetic Resonance Imaging
000124991 6531_ $$aInhomogenity correction
000124991 6531_ $$aBias field
000124991 6531_ $$aHigh Magnetic field
000124991 6531_ $$aAnimal imaging
000124991 6531_ $$aCIBM-AIT
000124991 700__ $$aPena, X.
000124991 700__ $$0240463$$aBach Cuadra, M.$$g124931
000124991 700__ $$0243988$$aKunz, N.$$g105592
000124991 700__ $$0243727$$aJust, N.$$g174562
000124991 700__ $$0243712$$aGruetter, R.$$g161735
000124991 700__ $$0240323$$aThiran, J.-Ph.$$g115534
000124991 7112_ $$a16th European Signal Processing Conference (EUSIPCO)$$cLausanne, Switzerland$$dAugust 25-29, 2008
000124991 773__ $$tProceedings of the 16th European Signal Processing Conference, EUSIPCO
000124991 8564_ $$uhttp://www.eusipco2008.org/$$zURL
000124991 909C0 $$0252276$$pLIFMET$$xU10984
000124991 909C0 $$0252394$$pLTS5$$xU10954
000124991 909C0 $$0252477$$pCIBM$$xU12623
000124991 909CO $$ooai:infoscience.tind.io:124991$$pconf$$pSTI$$pSB
000124991 917Z8 $$x161735
000124991 937__ $$aEPFL-CONF-124991
000124991 973__ $$aEPFL$$rREVIEWED$$sPUBLISHED
000124991 980__ $$aCONF