O. J. M. Al-Furaiji, V. Y. Tsviatkou, and B. J. Sadiq, “Separate and Combined Effective Coding of Bit Planes of Grayscale Images”, IJEEE, vol. 19, no. 2, pp. 128–137, Jul. 2023, doi: 10.37917/ijeee.19.2.15.