Perception Lecture Notes: Color
- Light & wavelengths
- Spectral power distribution
- Trichromacy theory
- Color matching experiment
- Photoreceptor spectral sensitivities
- Color blindness
- Color opponency
- Color constancy, chromatic adaptation, & simultaneous color contrast
http://www.cns.nyu.edu/~david/courses/perception/lecturenotes/color/color.html
online introduction to color vision, see "Breaking the Code of Color" at the Howard Hughes Medical Institute web page:
- How Do We See Colors
- Red, Green and Blue Cones
- Color Blindness: More Prevalent Among Males
- Judging a Color
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http://cs.haifa.ac.il/hagit/courses/ist/lecture_notes.html
Lesson 0: Introduction
pdf file (1 slide per page), pdf file (4 slides per page)
Lesson 1: The Human Visual System
The Retina, Line Spread Function, MTF.
pdf file (1 slide per page), pdf file (4 slides per page) .
Lesson 2: Wavelength Encoding
Spectral Distribution Functions.
pdf file (1 slide per page), pdf file (4 slides per page) .
Lesson 3: Color Representation
CIE-XYZ, CIE-Chromaticity Diagram, HSV.
Munsell, CIE-YUV, CIE-Luv, CIE Lab.
pdf file (1 slide per page), pdf file (4 slides per page) .
Lesson 4: Opponent Colors
Hue Cancellation experiments, Opponent channels,
YIQ, Color Caveats: Memory, Culture, Naming
pdf file (1 slide per page), pdf file (4 slides per page) .
Lesson 5: Perceptual Color Space
Webber's law , Macadam Ellipses, CIE-UVW,
CIE-Lab, CIE-Luv, S-CIELAB
pdf file (1 slide per page), pdf file (4 slides per page) .
Lesson 6: Image Formation
Radiometric Units, Photometric Units, Image Formation Model,
Illuminant Linear Approximations, Surface Linear Approximations,
Illumination Estimation, Color Constancy, Specularities
pdf file (1 slide per page), pdf file (4 slides per page) .
Lesson 7: Acquisition Devices: Cameras and Scanners
Scanners, Digital Cameras, CCD Arrays, CMOS Cameras,
Demosaicing, Foveon Camera
pdf file (1 slide per page), pdf file (4 slides per page) .
Lesson 8: Display Devices
CRT, LCD, DLP, Gas Plasma, OLED, FOLED
pdf file (1 slide per page), pdf file (4 slides per page) .
Lesson 9: Color Quantization
24bit Color to 8bit Color, Image Independent Quantization
Image Dependent Quantization, Perceptual vs Linear Quantization
Quantization of Image Sequences
pdf file (1 slide per page), pdf file (4 slides per page) .
Lesson 10: Printing Devices
Printers: ink-jet, laser, thermal wax, dye sublimation.
Subtractive Color System
pdf file (1 slide per page), pdf file (4 slides per page) .
Lesson 11: Halftoning
Cluster Dot Dithering, Disperse Dot Dithering,
Error Diffusion, Color Halftoning, Color Screening,
pdf file (1 slide per page), pdf file (4 slides per page) .
Lesson 12: Color Management
Device independent Color Representation,
ICC Profiles, Gamut Mapping
pdf file (1 slide per page), pdf file (4 slides per page) .
Tutorials (Thanx to D. Heeger, E. Simoncelli, B. Wandell)
IST TOOLBOX (m-files required for tutorials)
color (m-files required for color tutorials)
T-IST01 : Tutorial on Linear Systems (requires cconv2 from IST toolbox)
T-IST03 : Tutorial on Color: Spectra, CMF, XYZ (Requires color directory)
T-IST06 : Tutorial on Color: Illumination Correction (Requires color directory)
Demos (Thanx to RIT and UCI)
D-IST02 : Color Spectrum
D-IST02 : Color Matching
D-IST03 : CIE Chromaticity Diagram and Gamuts
D-IST03 : Color Spaces RGB vs HSV
D-IST04 : Color Spaces RGB vs YIQ
D-IST05 : Color Spaces RGB vs Lab
Digital Lighting and Rendering
http://www2.tech.purdue.edu/cgt/Courses/cgt340/lectures/02-Colors.pdf