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BS ISO 13655:2017 Graphic technology. Spectral measurement and colorimetric computation for graphic arts images >
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BS ISO 13655:2017 Graphic technology. Spectral measurement and colorimetric computation for graphic arts images, 2017
- National foreword
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Spectral measurement requirements
- 4.1 Instrument standardization and adjustment
- 4.2 Reflectance factor measurement
- 4.2.1 Wavelength range, wavelength interval and bandwidth
- 4.2.2 Illumination requirements and measurement conditions
- 4.2.3 Sample backing material
- 4.2.4 Measurement geometry
- 4.2.5 Data reporting
- 4.3 Transmittance factor measurement
- 4.3.1 Wavelength range, wavelength interval and bandwidth
- 4.3.2 Measurement geometry
- 4.3.3 Illumination requirements and measurement conditions
- 4.3.4 Resolution and data reporting
- 4.4 Self-luminous displays (spectral radiance) measurement
- 4.4.1 Wavelength range, wavelength interval and bandwidth
- 4.4.2 Measurement geometry
- 4.4.3 Polarization
- 4.4.4 Resolution and data reporting
- 5 Colorimetric computation requirements
- 5.1 Calculation of tristimulus values for reflecting and transmitting samples
- 5.1.1 General
- 5.1.2 Calculations with data having 5 nm interval and bandwidth
- 5.1.3 Calculations with data having 10 nm interval and bandwidth
- 5.1.4 Calculations with data having other intervals and bandwidth
- 5.2 Calculation of tristimulus values for self-luminous displays
- 5.3 CIE 1976 (L*a*b*) colour space; CIELAB colour space
- 5.3.1 General
- 5.3.2 CIELAB colour space formulae
- 5.3.3 CIE 1976 colour difference formulae
- 5.3.4 CIEDE2000 colour difference formulae
- 6 Measurement data reporting requirements
- 6.1 Required information
- 6.2 Recommended information
- 6.3 Electronic data reporting
- Annex A (normative) Sample backing
- Annex B (informative) Geometry
- Annex C (informative) Improving inter-instrument agreement
- Annex D (informative) Certified reference materials (CRMs)
- Annex E (informative) Procedures for widening the bandwidth
- Annex F (informative) Fluorescent specimens
- Annex G (normative) Test method for UV-cut conformance
- Annex H (informative) Special cases: Use of polarization
- Annex I (informative) Example computations for converting spectral measurements to tristimulus values
- Annex J (normative) Computation of the CIELAB total colour difference (∆E*ab)
- Annex K (normative) Computation of the CIEDE2000 total colour difference (ΔE00)
- Annex L (informative) Impact of measurement band pass on spectral quantities
- Bibliography [Go to Page]
