Rationale:
This course provides an understanding of the basics related
to colour scanners, colour imaging systems, digital camera, computer-to-plate,
computer-to-print and digital proofing. Greater emphasis is laid
to understanding the reproduction process utilizing scanners,
operating systems, digital cameras & digital proofing.
Lesson
No 1: Basics of color reproduction
|
Marks |
Hours |
1.1 |
Color definition- Hue, Saturation, Brightness,
|
12 |
10 |
1.2 |
Filter & Filter factor
|
-- |
-- |
1.3 |
Color separation and screen angles
|
-- |
-- |
1.4 |
Ink defects (errors trichromatism)
|
-- |
-- |
1.5 |
Color reproduction-objectives
|
-- |
-- |
1.6 |
Colour correction- Reasons- Brief overview of optical
methods
|
-- |
-- |
Lesson
No 2: Introduction scanners
Theory.
|
Marks |
Hours |
2.1 |
Various generations of scanners
|
12 |
10 |
2.2 |
Working of drum type and flat bed scanners
|
-- |
-- |
2.3 |
Study of different function provided on scanners-tone
and color correction, Gray balance, color contrast, dot
gain,
Generation of black printer-chromatic, achromatic- UCR,
GCR, UCA, UCM
|
-- |
-- |
2.4 |
Function of Photo Multiplier Tube & Charged Couple
Device
|
-- |
-- |
Lesson
No 3 Scanner programming objectives
Theory.
|
Marks |
Hours |
3.1 |
Restrictions of photomechanical reproduction
Substrate characteristics, ink characteristics, printing
process, screen patterns, proportionality, and Additivity
failure, image carrier induced distortion.
|
12 |
10 |
3.2 |
Restrictions of the original-color and tonal factors,
image structure factors
|
-- |
-- |
3.3 |
Other problems in color reproduction- response of scanner
to the color, viewing conditions
|
-- |
-- |
3.4 |
Colour Charts
|
-- |
-- |
3.5 |
Duotone, Hexachrome
|
-- |
-- |
Lesson
No 4: Input and output
Theory.
|
Marks |
Hours |
4.1 |
Mechanical principles
|
10 |
10 |
4.2 |
Rotary drums Vs flat bed scanners
|
-- |
-- |
4.3 |
Out put methods
|
-- |
-- |
4.4 |
Digital recording on film - laser , LED
|
-- |
-- |
4.5 |
Type of Image setters - Internal, external, capstan
|
-- |
-- |
4.6 |
Post Script- P.D.L., RIP- Levels
|
-- |
-- |
4.7 |
PDF
|
-- |
-- |
Lesson
No 5: Scanner operating
Theory.
|
Marks |
Hours |
5.1 |
Evaluating originals-picture information, physical information.
|
8 |
8 |
5.2 |
Selection of dpi with respect to enlargement, resolution,
dpi, lpi.- Grey levels, Halftone dot formation by Dithering.
|
-- |
-- |
5.3 |
Copy preparation of scanning, cleaning the original,
setting and registering the aids, mounting originals ,
oil mounting.
|
-- |
-- |
Lesson
No 6: Imaging systems-technology and operation
Theory.
|
Marks |
Hours |
6.1 |
Application packages for Prepress Assembly
|
8 |
8 |
6.2 |
System capabilities, image assembly and retouching, tone
and color adjustment.
|
-- |
-- |
6.3 |
Technology
a) Software-Application for page make up and image manipulation,
specialized software- Imposition, trapping, work flow
|
-- |
-- |
6.4 |
Imaging system operation-job description, classifying
work, pre-planning and work procedures.
|
|
|
Lesson
No 7: Image recording and data storage
Theory.
|
Marks |
Hours |
7.1 |
Files, Determining file size, File format
|
8 |
8 |
7.2 |
Data compression, transmission and film recording
|
-- |
-- |
7.3 |
Recording and storage-equipment and media used for data
storage
|
-- |
-- |
Lesson
No 8: Scanner and system management
Theory.
|
Marks |
Hours |
8.1 |
Plant layout
|
4 |
3 |
8.2 |
Reliability and maintenance-environmental conditions,
maintenance, production planning and control
|
-- |
-- |
Lesson
No 9 : Color management
Theory.
|
Marks |
Hours |
9.1 |
a) Introduction to color management
b ) Spectrophotometer
|
3 |
5 |
9.2 |
Digital proofing
|
3 |
-- |