Digital Imaging and Color Management
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Follow on Instagram for UpdatesDigital Imaging and Color Management Syllabus — Unit-wise Content
The official GTU curriculum for Digital Imaging and Color Management (subject code DI04058031) as prescribed for PT · Semester 4 divides the course into 7 units, covering 20 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI04058031)Unit 1 Basics of color reproduction
- 1.1. Different types of graphic originals and their characteristics, required physical and optical properties.
- 1.2. Fundamentals of light and color, color reproduction theories, optical density in graphic reproduction, color viewing requirements – object, observer, light source spectral properties such as line spectrum, continuous spectrum, spectral - reflection, transmission & absorption of light, difference between light and color, visible spectrum, rods & cones in human vision, metamerism and adaptation, Attributes of color-Hue, Value, Chroma.
Unit 2 Raster image processing
- 2.1. Raster image processing (RIP)-purpose, function, types, ideal and actual reflection of CMY process inks, proportionality failure, additives failure.
- 2.2. Color correction tools such as under color removal (UCR), grey component replacement (GCR).
- 2.3. Study of color separation; color correction, screen angles, resolutions, dpi, lpi, ppi, filters, spot colors, moire defect, dot shapes, AM, FM & hybrid screening techniques.
Unit 3 Image capturing devices
- 3.1. Flatbed scanners- working principle, components of scanner. Factors affecting scan quality, scanning resolution, bit depth of colour-definition and importance, 8 bit RGB.
- 3.2. Image capturing elements and their working principle, applications, advantages & disadvantages of PMT, CCD, CMOS.
Unit 4 Data inputs and output methods
- 4.1. Pixel, resolution, bitmap (raster), vector, RGB to CMYK.
- 4.2. Use of PostScript format, Page Description Language (PDL), PDF formats for printing industry, preflight- purpose, and workflow.
Unit 5 Color Management
- 5.1. Concept, purpose, workflow (Device dependent and Device independent colors), advantages.
- 5.2. Color gamut - definition, color gamut of different processes, comparision of CMYK, RGB, human vision.
- 08. 12 GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Printing Technology Subject Code : DI04058031 Subject Name : Digital Imaging and Color Management w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page 3 of 8
- 5.3. International color consortium (ICC), Four C’s of color management, Test charts for different devices and production of different color profiles.
- 5.4. Comparison of profiles, gamut mapping, is rendering intent, perceptual rendering indent, Relative & Absolute colourimetric intent, saturation intent, CIP4.
- 5.5. Ink saving by Colour profiles and colour gamut.
Unit 6 Color Measurement
- 6.1. Physical color specification systems such as Munsell, pantone along with their working principle, advantages, applications and limitations. Standard observer 2◦ and 10◦.
- 6.2. Working principle, advantages, applications & limitations of 3D i.e. solid color space such as CIE Lab, CIE Luv.
Unit 7 Quality Assurance
- 7.1. Spectrophotometer, Colorimeter, Densitometer - Working principle, construction and applications.
- 7.2. Calculations based on DPI, PPI, LPI, resizing, file size, and colour deviation (Delta E), dot area, dot gain, ink trapping, hue error (simple numerical).
- 7.3. Maximum printable LPI for different printing processes, screen angles for different processes, substrates and LPI relation.
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