Skip to main content

Table 1 Look-up table with HEVC intra directions

From: Gradient-based pre-processing for intra prediction in High Efficiency Video Coding

Mode

Φ m (Gy/Gx)

Mode

Φ m (Gy/Gx)

2

1

19

−1.23

3

0.81

20

−1.52

4

0.65

21

−1.88

5

0.53

22

−2.46

6

0.4

23

−3.55

7

0.28

24

−6.4

8

0.15

25

−16

9

0.06

26

<−16

10

0

27

16

11

−0.06

28

6.4

12

−0.15

29

3.55

13

−0.28

30

2.46

14

−0.4

31

1.88

15

−0.53

32

1.52

16

−0.65

33

1.23

17

−0.81

34

1

18

−1