An Effective Transform Unit Size Decision Method for High Efficiency Video Coding

Table 1

PU and TU sizes in HEVC.

Depth	Inter PU	Intra PU	TU
0	64×64, 64×32, 32×64	64×64	32×32, 16×16
1	32×32, 32×16, 16×32	32×32	32×32, 16×16, 8×8
2	16×16, 16×8, 8×16	16×16	16×16, 8×8, 4×4
3	8×8, 8×4, 4×8	8×8, 4×4	8×8, 4×4