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Eye Detection Algorithm
on Facial Color Images
學號:M97G0209
學生:陳建宏
Data:2008.10.30
1
Outlines
Introduction
Algorithm of Eye Detection
Improvement Phase
Experimental Results
Conclustions
2
Introduction
Eye detection is a crucial step in many
applications as face
detection/recognition, face expression
analysis
Color is one of the useful features used
for eye detection.
3
Algorithm of Eye Detection
EyeMapC from the chrominance
EyeMapL from the luminance
4
Algorithm of Eye Detection
__
Cb
1
2
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EyeMapC (Cb ) (Cr ) (
)
3
Cr
Cb、Cr:normalized to the range[0 1]
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Algorithm of Eye Detection
Y ( x , y ) g ( x, y )
EyeMapL
Y ( x, y ) g ( x, y )
Y ( x, y ) g ( x, y )
Y ( x, y ) g ( x, y)
Y ( x, y ) g ( x, y):Gray-scale erosion
Y ( x, y ) g ( x, y ):Gray-scale dilation
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Improvement Phase
7
Experimental Results
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Experimental Results
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