The 4th International Conference on Computer Technology and Information Science (CTIS 2026) will be held online during May 22-24, 2026 in Guangzhou, China. On behalf of the organizing committee, we would like to cordially invite you to join your peers in CTIS 2026! CTIS 2026 promotes active and thorough exchange in the fields of computer vision and virtual reality and endeavors to foster theoretical advancement and practical breakthrough, serving scholars and industry researchers from all over t