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Contents<br />

Not.............................................................................................. 183<br />

RShiftC.........................................................................................184<br />

LShiftC......................................................................................... 186<br />

Alpha Composition................................................................................. 188<br />

AlphaComp................................................................................... 190<br />

AlphaCompC................................................................................. 192<br />

AlphaPremul..................................................................................195<br />

AlphaPremulC................................................................................196<br />

Chapter 6: Image Color Conversion<br />

Gamma Correction................................................................................. 199<br />

CIE Chromaticity Diagram and Color Gamut...............................................200<br />

Color Models..........................................................................................200<br />

Image Downsampling............................................................................. 210<br />

RGB Image Formats............................................................................... 211<br />

Pixel and Planar Image Formats............................................................... 212<br />

Color Model Conversion...........................................................................216<br />

RGBToYUV.....................................................................................216<br />

YUVToRGB.................................................................................... 218<br />

RGBToYUV422............................................................................... 219<br />

YUV422ToRGB............................................................................... 220<br />

RGBToYUV420 .............................................................................. 222<br />

YUV420ToRGB............................................................................... 223<br />

BGRToYUV420............................................................................... 224<br />

YUV420ToBGR............................................................................... 225<br />

RGBToYCbCr..................................................................................226<br />

YCbCrToRGB..................................................................................228<br />

YCbCrToBGR..................................................................................229<br />

YCbCrToBGR_709CSC.....................................................................230<br />

RGBToYCbCr422............................................................................ 231<br />

YCbCr422ToRGB............................................................................ 232<br />

RGBToYCrCb422............................................................................ 233<br />

YCrCb422ToRGB, YCrCb422ToBGR....................................................234<br />

BGRToYCbCr422............................................................................ 236<br />

YCbCr422ToBGR............................................................................ 237<br />

YCbCr422ToGray............................................................................238<br />

RGBToCbYCr422, RGBToCbYCr422Gamma......................................... 239<br />

CbYCr422ToRGB............................................................................ 240<br />

BGRToCbYCr422............................................................................ 241<br />

BGRToCbYCr422_709HDTV..............................................................242<br />

CbYCr422ToBGR............................................................................ 243<br />

CbYCr422ToBGR_709HDTV..............................................................244<br />

RGBToYCbCr420............................................................................ 245<br />

YCbCr420ToRGB, YCbCr420ToBGR....................................................246<br />

RGBToYCrCb420............................................................................ 248<br />

YCrCb420ToRGB, YCrCb420ToBGR....................................................249<br />

BGRToYCbCr420............................................................................ 251<br />

BGRToYCbCr420_709CSC................................................................252<br />

BGRToYCbCr420_709HDTV..............................................................253<br />

BGRToYCrCb420_709CSC................................................................254<br />

5

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