Improvements of fast MRI using FOCUSS

• Project/Area Number: 22791223
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Radiation science
• Research Institution: Komazawa University (2012); Tokai University (2010-2011)
• Principal Investigator: MORIGUCHI Hisamoto 駒澤大学, 医療健康科学部, 教授 (70296705)
• Project Period (FY): 2010 – 2012
• Project Status: Completed (Fiscal Year 2012)
• Budget Amount: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000); Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2010: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
• Keywords: 放射線医学 / MRI / 高速撮像 / 画像再構成

Research Abstract

Image quality was improved by using FOCUSS algorithm in several fast MRI methods. Methods to apply FOCUSS needs to be modified in each data acquisition method. Artifacts caused by reduced data acquisition were significantly reduced in each acquisition method.

Research Products

• [Presentation] Further acceleration of Partial Fourier-FOCUSS using Bunched Phase Encoding (2012)
  • Author(s): Moriguchi H, Yoshikawa K, Shimada M, Urayama S, Imai Y, Honda M, Hanakawa T
  • Organizer: 20th meeting of International Society for Magnetic Resonance in Medicine
  • Place of Presentation: Melbourne, Australia
  • Year and Date: 2012-05-09
• [Presentation] Novel automatic off-resonance correction without field maps in spiral imaging using L1 minimization (2012)
  • Author(s): Moriguchi H, Yoshikawa K, Shimada M, Urayama S, Imai Y, Honda M, Hanakawa T
  • Organizer: 20th meeting of International Society for Magnetic Resonance in Medicine
  • Place of Presentation: Melbourne, Australia
  • Year and Date: 2012-05-08
• [Presentation] Novel automatic off-resonance correction without field maps in spiral imaging using L1 minimization (2012)
  • Author(s): Moriguchi H, Yoshikawa K, Shimada M, Urayama S, Imai Y, Honda M, Hanakawa T
  • Organizer: 20th Annual Meeting of ISMRM
  • Place of Presentation: Melbourne
• [Presentation] Further acceleration of Partial Fourier-FOCUSS using Bunched Phase Encoding (2012)
  • Author(s): Moriguchi H, Yoshikawa K, Shimada M, Urayama S, Imai Y, Honda M, Hanakawa T
  • Organizer: 20th Annual Meeting of ISMRM
  • Place of Presentation: Melbourne
• [Presentation] Bowtie PROPELLER: A Fast and Efficient Motion Correction Method in MRI (2011)
  • Author(s): Moriguchi H, Urayama S, Imai Y, Honda M, Hanakawa T
  • Organizer: 19th meeting of International Society for Magnetic Resonance in Medicine
  • Place of Presentation: Montreal, Canada
  • Year and Date: 2011-05-12
• [Presentation] Novel Partial Fourier Reconstruction Technique Using FOCUSS (2011)
  • Author(s): Moriguchi H, Urayama S, Imai Y, Honda M, Hanakawa T
  • Organizer: 19th meeting of International Society for Magnetic Resonance in Medicine
  • Place of Presentation: Montreal, Canada
  • Year and Date: 2011-05-12
• [Presentation] Novel Partial Fourier Reconstruction Technique Using FOCUSS (2011)
  • Author(s): 森口央基
  • Organizer: 国際磁気共鳴医学会(ISMRM)
  • Place of Presentation: モントリオール
  • Year and Date: 2011-05-12
• [Presentation] Bowtie PROPELLER : A Fast and Efficient Motion Correction Method in MRI (2011)
  • Author(s): 森口央基
  • Organizer: 国際磁気共鳴医学会(ISMRM)
  • Place of Presentation: モントリオール
  • Year and Date: 2011-05-12
• [Presentation] Improved BPE reconstruction using FOCUSS (2010)
  • Author(s): Moriguchi H, Imai Y
  • Organizer: 18th meeting of International Society for Magnetic Resonance in Medicine
  • Place of Presentation: Stockholm, Sweden
  • Year and Date: 2010-05-05
• [Presentation] Improved BPE Reconstruction Using FOCUSS (2010)
  • Author(s): 森口央基
  • Organizer: 国際磁気共鳴医学会(ISMRM)
  • Place of Presentation: ストックホルム
  • Year and Date: 2010-05-03