Maojing Fu1,
2, Bo Zhao1, 2, Joseph Holtrop, 23,
Jamie Perry4, David Kuehn5, Zhi-Pei Liang1,
2, Bradley P. Sutton, 23
1Department
of Electrical and Computer Engineering, University of Illinois at
Urbana-Champaign, Urbana, IL, United States; 2Beckman Institute
for Advanced Science and Technology, University of Illinois at
Urbana-Champaign, Urbana, IL, United States; 3Department of
Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL,
United States; 4Department of Communication Sciences and
Disorders, East Carolina University, Greenville, NC, United States; 5Department
of Speech and Hearing Science, University of Illinois at Urbana-Champaign, Urbana,
IL, United States
Dynamic MRI can provide quantitative assessment on the anatomy and dynamics of the vocal tract, but usually suffers from poor spatial or temporal resolution or poor spatial coverage. This work presents full-vocal-tract dynamic imaging at a frame rate of 102.2 fps with a 2.2 mm 2.2 mm 6.5 mm spatial resolution. It is performed by incorporating an optimized 3D volumetric navigation scheme into a Partial Separability (PS) model-based imaging method. Subtle temporal behaviors of the articulator motion and fine 3D anatomy of the vocal tract are well captured and analyzed.