LP or LDP: Low-delay P – the variant of the LD conditions that uses P frames.
LUT: Look-up table.
MC: Motion compensation.
MDDT: Mode-dependent directional transform.
MPEG: Moving picture experts group (WG 11, the parent body working group in ISO/IEC JTC 1/ SC 29, one of the two parent bodies of the JCT-VC).
MRG: block merging mode for CUs.
MV: Motion vector.
NAL: Network abstraction layer (as in AVC).
NB: National body (usually used in reference to NBs of the WG 11 parent body).
NSQT: Non-square quadtree.
NUT: NAL unit type (as in AVC).
OBMC: Overlapped block motion compensation.
PCP: Parallelization of context processing.
PIPE: Probability interval partitioning entropy coding (roughly synonymous with V2V for most discussion purposes, although the term PIPE tends to be more closely associated with proposals from Fraunhofer HHI while the term V2V tends to be more closely associated with proposals from RIM).
