CSCI 107 Images and issues
Images and privicy
This and That
Resources
Representing color digitally
- Color depth
- Indexed color – GIF
- Direct color – JPEG, PNG, TIFF
- lossy vs lossless
Color space
- RGB — Red, Green, Blue
- CMYK — Cyan,
Magenta, Yellow, Black
- HSL, HSV, HSB
— Hue, Saturation, Lighness or Value or Brightness
- Y’CBCR (used in JPEG) —
Luma, Blue difference, Red difference
- YUV (used in
Color television with NTSC —
Luma and chrominance
- CIELAB or CIE L*A*B* (between the eye and brain) —
lightness and color channels
- a “review” of color spaces (see Section 2.1)