Section I: Background information:
Chapter 1. - Digital photography (e.g.: lenses, sensors, simple techniques, f-stops, etc)
Chapter 2. - Digital images (e.g.: file formats, raw, color spaces, EXIF headers, etc)
Section II: Simple image processing:
Chapter 3. - Geometric transforms (e.g.: Resizing, cropping, rotating, etc)
Chapter 4. - Color transforms (e.g.: brightness - contrast, hue - satura...