Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleGeometric gradient-A new estimation of the surface normal for three-dimensional medical imaging.AuthorsChuang, Keh-ShihPublicationMedical Physics, 1995, Vol 22, Issue 9, p1437ISSN0094-2405Publication typeArticleDOI10.1118/1.597565