G1 arc spline approximation of quadratic Bézier curves. - Young Joon Ahn; Hong Oh Kim; Kyoung-Yong Lee (Comput. Aided Des., 1998)

Conic approximation of planar curves. - Young Joon Ahn (Comput. Aided Des., 2001)

Using Jacobi polynomials for degree reduction of Bezier curves with Ck-constraints. - Young Joon Ahn (Comput. Aided Geom. Des., 2003)

Constrained polynomial degree reduction in the L2-norm equals best weighted Euclidean approximation of Bézier coefficients. - Young Joon Ahn; Byung-Gook Lee; Yunbeom Park; Jaechil Yoo (Comput. Aided Geom. Des., 2004)

Facial Expression Recognition Based on Two Dimensions Without Neutral Expressions. - Young-Suk Shin; Young Joon Ahn (ICEC, 2005)

Helix approximations with conic and quadratic Bézier curves. - Young Joon Ahn (Comput. Aided Geom. Des., 2005)

An approximation of circular arcs by quartic Bézier curves. - Seon-Hong Kim; Young Joon Ahn (Comput. Aided Des., 2007)

Approximation of conic sections by curvature continuous quartic Bézier curves. - Young Joon Ahn (Comput. Math. Appl., 2010)

Curvature continuous offset approximation based on circle approximation using quadratic Bézier biarcs. - Young Joon Ahn; Christoph M. Hoffmann; Yeon Soo Kim (Comput. Aided Des., 2011)

Approximate convolution with pairs of cubic Bézier LN curves. - Young Joon Ahn; Christoph M. Hoffmann (Comput. Aided Geom. Des., 2011)

Constraint-based LN curves. - Young Joon Ahn; Christoph M. Hoffmann (Comput. Aided Geom. Des., 2012)

A note on circle packing. - Young Joon Ahn; Christoph M. Hoffmann; Paul Rosen 001 (J. Zhejiang Univ. Sci. C, 2012)

Geometric constraints on quadratic Bézier curves using minimal length and energy. - Young Joon Ahn; Christoph M. Hoffmann; Paul Rosen 001 (J. Comput. Appl. Math., 2014)

Limit curve of H-Bézier curves and rational Bézier curves in standard form with the same weight. - Ryeong Lee; Young Joon Ahn (J. Comput. Appl. Math., 2015)

Geometric shape analysis for convolution curve of two compatible quadratic Bézier curves. - Ryeong Lee; Young Joon Ahn (J. Comput. Appl. Math., 2015)

An algorithm for G2 offset approximation based on circle approximation by G2 quadratic spline. - Soo Won Kim; Sungchul Bae; Young Joon Ahn (Comput. Aided Des., 2016)

A novel approach for selecting combination clinical markers of pathology applied to a large retrospective cohort of surgically resected pancreatic cysts. - David L. Masica; Marco Dal Molin; Christopher L. Wolfgang; Tyler M. Tomita; Mohammad R. Ostovaneh; Amanda Blackford; Robert A. Moran; Joanna K. Law; Thomas Barkley; Michael Goggins; Marcia Irene Canto; Meredith E. Pittman; et al. (J. Am. Medical Informatics Assoc., 2017)

Sequence of Gn LN polynomial curves approximating circular arcs. - Young Joon Ahn; Christoph M. Hoffmann (J. Comput. Appl. Math., 2018)

Circle approximation by G2 Bézier curves of degree n with 2n-1 extreme points. - Young Joon Ahn (J. Comput. Appl. Math., 2019)

A property of parametric polynomial approximants of half circles. - Young Joon Ahn (Comput. Aided Geom. Des., 2021)

G2 Hermite interpolation with quartic regular linear normal curves. - Young Joon Ahn; Christoph M. Hoffmann (J. Comput. Appl. Math., 2023)

Circular arc approximation by hexic polynomial curves. - Hyeong Moon Yoon; Young Joon Ahn (Comput. Appl. Math., 2023)