Improvement of binarization performance by applying DCT as pre-processing procedure. - Fitri Arnia; Khairul Munadi; Fardian; Sayed Muchallil (ISCCSP, 2014)

Noise characterization in ancient document images based on DCT coefficient distribution. - Fitri Arnia; Fardian; Sayed Muchallil; Khairul Munadi (ICDAR, 2015)