Transcript Optimizing Conformance to FADGI and Metamorfoze

Optimizing Conformance
to FADGI
and Metamorfoze
Camera Color Calibration at National Gallery of Art
Cultural Heritage Imaging Professionals Conference
Stanford, CA
July 16 – July 18, 2014
Kenneth N. Fleisher
Color Scientist
National Gallery of Art
Overview
Assumptions
Reference Data
Calibration Process
Validation
Summary
Assumptions
Calibration with ICC Profiles
Target dependent calibration
Targets have variation
∆E ≠ 0
FADGI & Metamorfoze validation
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Measure
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Export
Patch #
1
2
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5
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7
8
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10
Name
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
R
242
18
101
242
18
101
242
18
100
242
G
243
18
102
244
18
101
244
18
101
244
B
240
19
101
240
18
100
240
18
100
240
R e f e r e n c e F i l e , T I F F, T a r g e t R G B Va l u e s
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Import
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Import
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Camera Profiling
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Capture Calibrated CCSG
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Capture Calibrated CCSG
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Capture Calibrated CCSG
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Capture Calibrated CCSG
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Capture Calibrated CCSG
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Capture Calibrated CCSG
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Capture Calibrated CCSG
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Capture Calibrated CCSG
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Results
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Results
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Summary
Measure Targets
Custom Reference Data
• Profile Creation
• Calibration Validation
Characterize Camera
Adjust Color Temperature, Tint and Curve
Assumptions
Reference Data
Calibration Process
Va l i d a t i o n
Summary
Thank You
Questions?
[email protected]
(202) 712-7471
Kenneth N. Fleisher
Color Scientist
National Gallery of Art