Sensing Colors

B G Color Digital Image R Red sensor Green sensor Blue sensor

Color Digital Image (Color Model) Color Model R G B RGB (Red, Green, Blue) CMY (Cyan, Magenta, Yellow) YCbCr (Luminance, Color component) HSI (Hue, Satuaration, Intensity)

RGB ( Color Model) R G B 0 255

An example of RGB Image RedGreenBlue

RGB Pseudo Color

CMY (Color Model) Normalized RGB-to-Normalized CMY Normalized RGB

CMY Normalized CMY-to-CMY CMY-to-RGB

YCbCr (YUV) (Color Model) Y,Cb,Cr Y-Luminance Cb,Cr – Color component RGB-to-YCbCrYCbCr-to- RGB Analog Video (PAL), Digital Video (MPEG)

YCbCr (YUV) decomposition YCb Cr

HSI (Hue, Saturation, Intensity) (Color model) I I = 75 I = 0.5

RGB-to-HIS

HIS-to-RGB RGRG GBGB BRBR

Color Map (1) Gray scale display Rainbow displayB-G-Y-W display

Color Map (2)