I.  Colour Science

• Physics of Colour

Electromagnetic radiation, Spectral Power Distribution Functions (SPDFs), Colour by Emission, Absorption, Dispersion and Transmission.

• CIP (Slides)
• Physics of Colour
• Slides

• Human Vision System

Structure of the retina, SML Cones, Optical Pathway, Colour Theories.

• Human Vision System and Colour
• Slides

• Colour Models

CIE Colour Matching Experiment, XYZ Tristimulus model, x-y chromaticity diagram, MacAdam ellipses, CIE Lab space.

• MacAdam Ellipses
• Colour Spaces

• Digital Colour Spaces

Colour gamut, RGB, CMY(K), HSV, Luv and other spaces, Interconversion between different spaces.

II.  Colour Processing

• Scalar Processing

Colour Negatives, Thresholding and Binarization, Ranging and Colour Filters, Colour Image Enhancement and Filtering, Colour contrast

• Scalar Processing

• Vector Processing

Vector Representation, Ordering Relationships, Noise Removal using Vector Filters, Vector Edge Detection, Canny and Cumani operations

• Vector Processing
• Vector Edge Detection

III.  Colour Printing and Rendering

• Half Toning:Dithering

Dithering, random, dispersed dot and clustered dot dithering, blue and pink noise, colour screens, colour dithering

• Halftoning
• Dithering
• Halftoning and Dithering
• Slides

• Halftoning: Error Diffusion

Error diffusion, Floyd-Steinberg and other algorithms, comparison with dithering

• Error diffusion
• Analysis of ED Algorithms

• Colour Filter Arrays

Single-sensor colour cameras, Bayer Colour Filter Array, demosaicking

• Bayer Filter Array
• Demosaicking

III.  Applications

• Image Forensics

Image tampering, colour matching, JPEG block inconsistency, lighting inconsistencies, recognizing laser, inkjet printing and colour photocopies

• S. K. Nayar's paper

• Spectral Operations

Physical processes and colour changes

• Colour Blindness

Major types of colour blindness: protanopia and deuteranopia, simulating colour impaired vision

Jupyter Notebook