DQESimulink: Detective quantum efficiency analyzer for digital radiography detectors using Matlab simulink, Korea Copyright Commission, 2011-01-121-005075, Korea, 22 August 2011

DQE: Algorithms to calculate the detective quantum efficiency with MTF and NPS from digital radiography, Korea Copyright Commission, 2010-01-123-004808, Korea, 27 August 2010

MTF: Algorithms to extract the modulation-transfer function from digital radiography, Korea Copyright Commission, 2010-01-123-004807, Korea, 27 August 2010

NPS: Algorithms to extract the Wiener noise power spectrum from digital radiography, Korea Copyright Commission, 2010-01-123-004806, Korea, 27 August 2010

MamCasmo (Cascaded model analyzers for digital Mammography detectors), Korea Copyright Commission, 2010-01-121-001417, Korea, 12 March 2010

VOXA (volumetric x-ray imaging application toolkit), Computer Program Deliberation and Mediation Committee, 2007-01-186-006203, Korea, 26 November 2007.

A program for converting 3D CT data into STL, Computer Program Deliberation and Mediation Committee, 2006-01-199-008796, Korea, 27 December 2006.

A toolbox for computer-aided fault diagnosis, Computer Program Deliberation and Mediation Committee, 2006-01-199-008803, Korea, 27 December 2006.