Abo-Zahhad, Mohamed, et al. “Huffman Image Compression Incorporating DPCM and DWT”. Journal of Signal and Information Processing, vol. 06, no. 02, 2015, pp. 123-35, https://doi.org/10.4236/jsip.2015.62012.
Abo-Zahhad, M., Gharieb, R. R., Ahmed, S. M., & Abd-Ellah, M. K. (2015). Huffman Image Compression Incorporating DPCM and DWT. Journal of Signal and Information Processing, 06(02), 123-135. https://doi.org/10.4236/jsip.2015.62012
Abo-Zahhad M, Gharieb RR, Ahmed SM, Abd-Ellah MK. Huffman Image Compression Incorporating DPCM and DWT. Journal of Signal and Information Processing. 2015;06(02):123-35.