Multi⁃layer extension is based on single⁃layer design of High Efficiency Video Coding (HEVC) standard and employed as the common structure for scalability and multi⁃view video coding extensions of HEVC. In this paper, an overview of multi⁃layer extension is presented. The concepts and advantages of multi⁃layer extension are briefly described. High level syntax (HLS) for multi⁃layer extension and several new designs are also detailed.
HEVC; multi⁃layer extension