by Fernando Pereira and Paulo Nunes
Keywords: visual profile, visual level, conformance, video buffering verifier, video rate buffer verifier, video complexity verifier, video memory verifier
As described in Chapter 13, the MPEG-4 Visual standard defines (as of October 2001) 18 visual object types and 19 visual profiles.
Nine visual profiles were defined in MPEG-4 Visual Version 1 [MPEG4-2]: Simple, Simple Scalable, Core, Main, N-bit, Scalable Texture, Simple Face Animation, Basic Animated Texture, and Hybrid.
Six additional visual profiles were defined in MPEG-4 Visual Version 2 [MPEG4-2]: Core Scalable, Advanced Core, Advanced Coding Efficiency, Advanced Real-Time Simple, Advanced Scalable Texture, and ...