Selective Encryption for 3D Printing Model in DCT Domain. - Giao N. Pham; Jin-Hyeok Park; Oh-Heum Kwon; Ha-Joo Song; Suk-Hwan Lee; Kwang-Seok Moon; Seok-Tae Kim; Yeong-Rak Cho; Ki-Ryong Kwon (ICUFN, 2018)