Correction to: Chapter 26 in: J.-S. Pan et al. (eds.), Advances in Intelligent Information Hiding and Multimedia Signal Processing, Smart Innovation, Systems and Technologies 156, https://doi.org/10.1007/978-981-13-9714-1_26

The original version of this chapter was inadvertently published with incorrect author name as “Khen Ho Ryu”. This has been corrected as “Keun Ho Ryu” in the chapter.