Organisation internationale de normalisation

RADL: Random-access decodable leading.

RASL: Random-access skipped leading.

R-D: Rate-distortion.

RDO: Rate-distortion optimization.

RDOQ: Rate-distortion optimized quantization.

ROT: Rotation operation for low-frequency transform coefficients.

RPLM: Reference picture list modification.

RPR: Reference picture resampling (e.g., as in H.263 Annex P), a special case of which is also known as ARC or DRC.

RPS: Reference picture set.

RQT: Residual quadtree.

RRU: Reduced-resolution update (e.g. as in H.263 Annex Q).

RVM: Rate variation measure.

SAO: Sample-adaptive offset.

SCC: Screen content coding.

SCE: Scalability core experiment.