Robust Emotion Recognition using Sentence, Word and Syllable Level Prosodic Features - Robust Emotion Recognition Using Spectral and Prosodic Features - page 66

80

Initial syllables
Middle syllables
Final syllables

70

60

50

40

30

20

10

0

Anger Disgust Fear Happy Neutral Sad Sarcastic Surprise

Emotions

Fig. 3.7 Comparison of emotion recognition performance using utterance-wise initial , middle ,and
final syllable prosodic features

Table 3.13 Overall emotion classification performance by combining local and global prosodic
features computed from the syllables from different positions
Ang.

Dis. Fear Hap. Neu. Sad Sar. Sur. Avg.

Initial +
Middle + 43 67 63 43 70 67 73 77 63

Final
syllables
Average emotion recognition: 63.28%

Table 3.14 Emotion classification performance using global and local prosodic features computed
from syllables within specific regions like initial, middle, and final words
Local Features

+

Glo.

Wd. pos. Global Dur. Pitch Energy Local Loc.

Initial words, Average emotion recognition: 26
Ini. syls. 24 16 20 20 26 27

Mid. syls. 18 10 14 19 20 21

Fin. syls. 15 19 22 19 23 24

Middle words, average emotion recognition: 22
Ini. syls.

14 8 19 15 20 20

Mid. syls. 17 11 22 18 23 24

Fin. syls. 12 7 14 16 18 22

Final words, average emotion recognition: 46.33
Ini. syls. 26 18 31 31 41 48
Mid. syls. 25 16 31 29 36 38
Fin. syls. 38 27 42 40 51 53
Avg. Average, Dur. Duration, Fin.Syls. Final syllables, Glo. Global, Ini.Syls. Initial syllables, Loc.
Local, Mid.Syls. Middle syllables, Syl.Pos. Syllable position