High-fidelity intravoxel incoherent motion parameter mapping using locally low-rank and subspace modeling

• Published in: NeuroImage (Orlando, Fla.) Vol. 292; p. 120601
• Main Authors: Finkelstein, Alan J., Liao, Congyu, Cao, Xiaozhi, Mani, Merry, Schifitto, Giovanni, Zhong, Jianhui
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 15.04.2024; Elsevier Limited; Elsevier
• Subjects: Adult; Anisotropy; Blood; Blood vessels; Brain - diagnostic imaging; Contamination; Coronaviruses; COVID-19; COVID-19 - diagnostic imaging; Dictionaries; Diffusion; Diffusion Magnetic Resonance Imaging - methods; Diffusion MRI; Female; Fourier transforms; Humans; Image Processing, Computer-Assisted - methods; Intravoxel incoherent motion; low-rank modeling; Magnetic resonance imaging; Magnetic Resonance Imaging - methods; Male; Methods; Microvasculature; Motion; Neuroimaging; Perfusion; Phase variations; Quantitative mri; SARS-CoV-2; SARS-CoV-2 Infection; Severe acute respiratory syndrome coronavirus 2; Subspace modeling; Substantia grisea; Subspace modeling; Diffusion MRI; SARS-CoV-2 Infection; Quantitative mri; Intravoxel incoherent motion; low-rank modeling

•Incorporation of advanced reconstruction techniques, including correction of motion-induced phase errors, locally low-rank constraint, and subspace modeling, preserved anisotropic IVIM parameters.•Elimination of motion-induced phase errors enabled the use of high SNR real-valued DWI data, removing...