If your interest in "models" refers to 3D reconstruction or digital human modeling (common in technical "mp4" and "model" searches), these recent papers from the ACM Digital Library :
: This official document from the IETF Datatracker defines the tools and payload formats used to compress and transport audio-visual information as MPEG-4 elementary streams. Sexy Models (36) mp4
: The official international standard for the MP4 file format, which is the most widely used container for digital video. Related Research in Computer Vision & Modeling If your interest in "models" refers to 3D
: Discusses neural implicit models for 3D human reconstruction. Sexy Models (36) mp4