Superior Augmented Reality Registration by Integrating Landmark Tracking and Magnetic Tracking. - Andrei State; Gentaro Hirota; David T. Chen; William F. Garrett; Mark A. Livingston (SIGGRAPH, 1996)

Technologies for Augmented Reality Systems: Realizing Ultrasound-Guided Needle Biopsies. - Andrei State; Mark A. Livingston; William F. Garrett; Gentaro Hirota; Mary C. Whitton; Etta D. Pisano; Henry Fuchs (SIGGRAPH, 1996)

Towards Performing Ultrasound-Guided Needle Biopsies from within a Head-Mounted Display. - Henry Fuchs; Andrei State; Etta D. Pisano; William F. Garrett; Gentaro Hirota; Mark A. Livingston; Mary C. Whitton; Stephen M. Pizer (VBC, 1996)

Fast volume-preserving free-form deformation using multi-level optimization. - Gentaro Hirota; Renee Maheshwari; Ming C. Lin (Comput. Aided Des., 2000)

An implicit finite element method for elastic solids in contact. - Gentaro Hirota; Susan Fisher; Andrei State; Chris Lee; Henry Fuchs (CA, 2001)

Dynamic Virtual Convergence for Video See-through Head-Mounted Displays: Maintaining Maximum Stereo Overlap throughout a Close-Range Work Space. - Andrei State; Jeremy Ackerman; Gentaro Hirota; Joohi Lee; Henry Fuchs (ISAR, 2001)

Augmented Reality Guidance for Needle Biopsies: A Randomized, Controlled Trial in Phantoms. - Michael Rosenthal; Andrei State; Joohi Lee; Gentaro Hirota; Jeremy Ackerman; Kurtis Keller; Etta D. Pisano; Michael R. Jiroutek; Keith E. Muller; Henry Fuchs (MICCAI, 2001)

Augmented reality guidance for needle biopsies: An initial randomized, controlled trial in phantoms. - Michael Rosenthal; Andrei State; Joohi Lee; Gentaro Hirota; Jeremy Ackerman; Kurtis Keller; Etta D. Pisano; Michael R. Jiroutek; Keith E. Muller; Henry Fuchs (Medical Image Anal., 2002)

Modeling Real Objects Using Video See-Through Augmented Reality. - Joohi Lee; Gentaro Hirota; Andrei State (Presence Teleoperators Virtual Environ., 2002)

An improved finite-element contact model for anatomical simulations. - Gentaro Hirota; Susan Fisher; Andrei State (Vis. Comput., 2003)