Chapter9 - 11/2/2008 1 Artifacts due to motion Artifacts...

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Unformatted text preview: 11/2/2008 1 Artifacts due to motion Artifacts due to motion Course: BIM 241, University of California Davis, Instructor: Michael H. Buonocore Do not distribute this document. Use of this document is restricted to persons enrolled in the BIM 241 course, UC Davis. 11/2/2008 2 Motion in frequency encode direction Motion in frequency encode direction Course: BIM 241, University of California Davis, Instructor: Michael H. Buonocore Do not distribute this document. Use of this document is restricted to persons enrolled in the BIM 241 course, UC Davis. 11/2/2008 3 Motion in phase encode direction Motion in phase encode direction Course: BIM 241, University of California Davis, Instructor: Michael H. Buonocore Do not distribute this document. Use of this document is restricted to persons enrolled in the BIM 241 course, UC Davis. 11/2/2008 4 Motion in slice select direction Motion in slice select direction Course: BIM 241, University of California Davis, Instructor: Michael H. Buonocore Do not distribute this document. Use of this document is restricted to persons enrolled in the BIM 241 course, UC Davis. 11/2/2008 5 Course: BIM 241, University of California Davis, Instructor: Michael H. Buonocore Do not distribute this document. Use of this document is restricted to persons enrolled in the BIM 241 course, UC Davis. 11/2/2008 6 Course: BIM 241, University of California Davis, Instructor: Michael H. Buonocore Do not distribute this document. Use of this document is restricted to persons enrolled in the BIM 241 course, UC Davis. 11/2/2008 7 Course: BIM 241, University of California Davis, Instructor: Michael H. Buonocore Do not distribute this document. Use of this document is restricted to persons enrolled in the BIM 241 course, UC Davis. 11/2/2008 8 Course: BIM 241, University of California Davis, Instructor: Michael H. Buonocore Do not distribute this document. Use of this document is restricted to persons enrolled in the BIM 241 course, UC Davis. 11/2/2008 9 Course: BIM 241, University of California Davis, Instructor: Michael H. Buonocore Do not distribute this document. Use of this document is restricted to persons enrolled in the BIM 241 course, UC Davis. 11/2/2008 10 Course: BIM 241, University of California Davis, Instructor: Michael H. Buonocore Do not distribute this document. Use of this document is restricted to persons enrolled in the BIM 241 course, UC Davis. 11/2/2008 11 Course: BIM 241, University of California Davis, Instructor: Michael H. Buonocore Do not distribute this document. Use of this document is restricted to persons enrolled in the BIM 241 course, UC Davis. 11/2/2008 12 Gradient moment nulling Gradient moment nulling Advantages: Advantages: reduces inconsistencies reduces inconsistencies reduces artifacts reduces artifacts reduces inconsistencies reduces inconsistencies reduces artifacts reduces artifacts blood signal increases blood signal increases - good in GRASS good in GRASS Disadvantages: Disadvantages: increased gradient powe...
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This note was uploaded on 10/15/2010 for the course BIM BIM251 taught by Professor Buonocore during the Spring '09 term at UC Davis.

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Chapter9 - 11/2/2008 1 Artifacts due to motion Artifacts...

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