Yuichi Sei, Keiichiro Oishi, Yasuyuki Tahara, Akihiko Ohsuga, Agbotiname Lucky Imoize: Enhancing Machine Learning Accuracy in the Metaverse: Overcoming Noise and Error in Object Counting Systems, chapter in book “Advanced Metaverse Wireless Communication Systems”, The Institution of Engineering and Technology (IET), Chapter 3, pp.59–79 (2025.1)

Keiichiro Oishi, Yasuyuki Tahara, Akihiko Ohsuga, Andrew J, Agbotiname Lucky Imoize, Yuichi Sei: Toward a secure metaverse: crafting cutting-edge algorithm for protected data analysis, chapter in book “Advanced Metaverse Wireless Communication Systems”, The Institution of Engineering and Technology (IET), Chapter 8, pp.181–207 (2025.1)

Yuichi Sei, Keiichiro Oishi, Yasuyuki Tahara, Akihiko Ohsuga, Agbotiname Lucky Imoize: Differentially Private Human Interactions for the Real World and the Metaverse, chapter in book “Advanced Metaverse Wireless Communication Systems”, The Institution of Engineering and Technology (IET), Chapter 15, pp.431–456 (2025.1)

Yuichi Sei: Privacy-Preserving Data Collection and Analysis for Smart Cities, chapter in book “Human-Centered Services Computing for Smart Cities”, IEICE Monograph, Springer, Chapter 5, pp.157-209 (2024.5)