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eLibrary > BS ISO 12233:2023 - TC Tracked Changes. Photography. Electronic still picture imaging. Resolution and spatial frequency responses >

BS ISO 12233:2023 - TC Tracked Changes. Photography. Electronic still picture imaging. Resolution and spatial frequency responses, 2023

30470477
A-30441970 [Go to Page]
National foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test conditions [Go to Page]
4.1 Test chart illumination
4.2 Camera framing and lens focal length setting
4.3 Camera focusing
4.4 Camera settings
4.5 White balance
4.6 Luminance and colour measurements
4.7 Gamma correction
5 Visual resolution measurement [Go to Page]
5.1 General
5.2 Test chart [Go to Page]
5.2.1 General
5.2.2 Material
5.2.3 Size
5.2.4 Test patterns
5.2.5 Test pattern modulation
5.2.6 Positional tolerance
5.3 Rules of judgement for visual observation [Go to Page]
5.3.1 Rules of judgement
5.3.2 An example of a correct visual judgement
6 Edge-based spatial frequency response (e-SFR) [Go to Page]
6.1 General
6.2 Methodology
7 Sinewave-based spatial frequency response (s-SFR) measurement
8 Presentation of results [Go to Page]
8.1 General
8.2 Resolution [Go to Page]
8.2.1 General
8.2.2 Basic presentation
8.2.3 Representative presentation
8.3 Spatial frequency response (SFR) [Go to Page]
8.3.1 General
8.3.2 Spatial frequency response
8.3.3 Report of resolution value derived from the s-SFR
Annex A (informative) CIPA resolution chart
Annex B (informative) Visual resolution measurement software
Annex C (informative) Edge SFR test chart
Annex D (informative) Edge spatial frequency response (e-SFR) algorithm
Annex E (normative) Sine wave star test chart
Annex F (normative) Sine wave spatial frequency response (s-SFR) analysis algorithm
Annex G (informative) Colour-filtered resolution measurements
Annex H (informative) Units and summary metrics
Annex I (informative) Original test chart defined in ISO 12233:2000
Annex J (informative) Non-uniform illumination compensation for some applications
Annex K (informative) Derivation of correction functions
Annex L (informative) Acutance calculation
Annex M (informative) Matlab function for computing e-SFR
Bibliography [Go to Page]

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