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:
no header
each row carries the information of an specific image
each column corresponds to an specific information, as follows:
First Column → <image_filename>
Second Column → corresponding emotion
Columns 3 to 7 → phonetic context, phones are represented using PRAAT notation
Column 3 → second phone at left
Column 4 → first phone at left
Column 5 → phone represented by the image viseme (center phone, phone of interest)
Column 6 → first phone at right
Column 7 → second phone at right
Column 8 → corresponding Context Dependent Viseme
Column 9 → word or phrase corresponding to the context where the image viseme was captured
Columns 10 to 65 → pair of x and y coordinates of landmarks manually annotated in the face.
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.