DocumentCode
1833132
Title
New color transformation for lips segmentation
Author
Eveno, N. ; Caplier, A. ; Coulon, P.Y.
Author_Institution
Lab. des Images et Signaux, Inst. Nat. Polytechnique de Grenoble, France
fYear
2001
fDate
2001
Firstpage
3
Lastpage
8
Abstract
A robust pre-processing algorithm for lip segmentation is presented. We define a new transformation based on RGB color space: the chromatic curve map. It aims at increasing discrimination between lips and skin. It allows robust lips detection under non uniform lighting conditions and without any particular make-up. The motivation of the present work is to extract visual information for automatic speech recognition, videoconferencing and speaker´s face synthesis under natural lighting conditions
Keywords
feature extraction; image colour analysis; image recognition; image segmentation; object recognition; RGB color space; automatic speech recognition; chromatic curve map; color transformation; face synthesis; lip feature extraction; lip segmentation; nonuniform lighting conditions; pre-processing algorithm; videoconferencing; visual information extraction; Acoustic signal detection; Brightness; Degradation; Humans; Image color analysis; Image segmentation; Lips; Robustness; Skin; Speech;
fLanguage
English
Publisher
ieee
Conference_Titel
Multimedia Signal Processing, 2001 IEEE Fourth Workshop on
Conference_Location
Cannes
Print_ISBN
0-7803-7025-2
Type
conf
DOI
10.1109/MMSP.2001.962702
Filename
962702
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