CH-Unicamp Expressive Visemes Database Structure



The CH-Unicamp Expressive Visemes Images Database is composed of a set of images and a spreadsheet CSV (Comma Separated Values) file which carries information about each image in the database.

The images are saved as PNG files without compression and resolution 1920 x 1080 pixels.

The spreadsheet CSV file has the following structure:


The CSV file is organized as follows:

Column

Landmark

10

RM2

11

LM2

12

CUM

13

CLM

14

VMR

15

VML

16

RM1

17

LM1

18

RM3

19

LM3

20

REB1

21

REB2

22

REB3

23

LEB1

24

LEB2

25

LEB3

26

REYE1

27

REYE3

28

REYE2

29

REYE4

30

LEYE1

31

LEYE3

32

LEYE2

33

LEYE4

34

RN1

35

LN1

36

N11

37

N3

38

RN3

39

LN3

40

RN2

41

LN2

42

N2

43

N4

44

HC

45

HR

46

HL

47

CJAW

48

RJAW2

49

LJAW2

50

RJAW1

51

LJAW1

52

REAR1

53

REAR2

54

REAR3

55

REAR4

56

LEAR1

57

LEAR2

58

LEAR3

59

LEAR4

60

RM4

61

RM5

62

CIUM

63

CILM

64

LM4

65

LM5


Prefix/Identifier

Meaning

RM

Right Mouth

LM

Left Mouth

REB

Right Eyebrow

LEB

Left Eyebrow

REYE

Right Eye

LEYE

Left Eye

RN

Right Nose

LN

Left Nose

N

Nose

HC

Head Center

HR

Head Right

HL

Head Left

CJAW

Center Jaw

RJAW

Right Jaw

LJAW

Left Jaw

REAR

Right Ear

LEAR

Left Ear

CUM

Center Upper at Mouth

CLM

Center Lower at Mouth

VMR

Right V of Mouth (Superior Lips)

VML

Left V of Mouth (Superior Lips)

CIUM

Center Internal Upper Mouth

CILM

Center Internal Lower Mouth



1N1 e N2 are computed from RN1, LN1 and RN2, LN2, respectively.