Development of evaluation method for MR images using non-linear reconstruction processing

2017 Fiscal Year Final Research Report

• Project/Area Number: 15K08688
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Medical Physics and Radiological Technology
• Research Institution: Tohoku University
• Principal Investigator: Machida Yoshio 東北大学, 医学系研究科, 教授 (30507083)
• Co-Investigator(Kenkyū-buntansha): 本間 経康 東北大学, 医学系研究科, 教授 (30282023) ; 森 一生 東北大学, 医学系研究科, 大学院非常勤講師 (90375171)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Keywords: MRI / 非線形処理 / 圧縮センシング / 高速撮像 / 画質評価

Outline of Final Research Achievements

Recently in the MR imaging area, MR fast imaging techniques and data image reconstruction techniques using new information technology including compression sensing (CS) are being introduced. Many of these techniques involve nonlinear calculation processing, and how to evaluate the image quality of the obtained images was a challenge. In this research, we aim to evaluate the image quality of nonlinearly processed MR images by utilizing conventional linear evaluation tools such as noise power spectrum (NPS) and modulation transfer function (MTF). We have tried to establish the measurement method and evaluate some nonlinear processed images.

Free Research Field

MRIの画像化技術および画質評価法の開発