Glossary
Terms related to the topic of video compression and video encoding.
Basic terms
- Reference frame/ Key Frame /I, P, B frame
- Frame / Field
- Frame Rate/ Pixel rate
- GOP, adaptive GOP
- Long term reference
- Compression ratio
- Subsampling
- Pixel
- Planar/interleaved
- RD curve
- Coding tool
- Bitstream
- Chroma format/chroma subsampling
- Bit depth
- Bitrate
- Resolution
- Hybrid codec
- SDR/HDR standard/high dynamic range
- Motion Vector
- Picture crop
- Display/decode order
- Timestamp
- Random access/Low delay/All intra
- POC
- Heat Map
Codec Formats
Coding technics
- Lossless/lossy coding
- Motion Compensation\Motion Estimation
- Prediction
- Inter Prediction: skip, MV, Affine, new VVC tech
- Upscale/Downscale
- SCC screen content coding
- Film grain
- Post processing
- HRD hypothetical reference decoder
- Color conversion
- Entropy coding/CABAC/CAVLC
- CTU/CU/PU/LCU
- Quantization/Quantazer
- VBR/CBR/ABR/CABR/Per title/Constant QP/CRF