Strain estimation in aortic roots from 4D echocardiographic images using medial modeling and deformable registration. - Ankush Aggarwal; Peter Mortensen; Jilei Hao; Lukasz Kaczmarczyk; Albert T. Cheung; Lourdes Al Ghofaily; Robert C. Gorman; Nimesh D. Desai; Joseph E. Bavaria; Alison M. Pouch (Medical Image Anal., 2023)