BS ISO 14524:2009
Current
The latest, up-to-date edition.
Photography. Electronic still-picture Cameras. Methods for measuring optoelectronic conversion functions (OECFs)
Hardcopy , PDF
English
30-06-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test methods
4.1 General
4.2 Camera OECF measurement
4.3 Focal plane OECF measurement (method A)
4.4 Alternative focal plane OECF measurement (method B)
5 Illumination
5.1 Focal plane OECF measurement (method A)
5.2 Alternative focal plane (method B) and camera OECF
measurement
6 Test conditions
6.1 Temperature and relative humidity
6.2 White balance (only applicable to colour cameras)
6.3 Infrared-blocking (IR-blocking) filter
6.4 Focus
7 Input
7.1 Focal plane log exposures
7.2 Camera OECF chart log luminances
8 Data analysis
9 Presentation of results
9.1 General
9.2 Tabular presentation
9.3 Graphical presentation
Annex A (normative) - ISO 14524 camera OECF test chart
Annex B (informative) - Relevance of the ISO 7589 spectral
distribution index
Annex C (informative) - Reporting of the camera OECF in
relative reflectance units
Bibliography
Describes methods for the measurement of opto-electronic conversion functions (OECFs) of electronic still-picture cameras whose output is encoded as a digital image file.
| Committee |
CPW/42
|
| DevelopmentNote |
Supersedes 97/712495 DC (06/2005) Supersedes 07/30162228 DC. (06/2009) Reviewed and confirmed by BSI, August 2014. (07/2014)
|
| DocumentType |
Standard
|
| Pages |
34
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies methods for the measurement of opto-electronic conversion functions (OECFs) of electronic still-picture cameras whose output is encoded as a digital image file. The OECF is defined as the relationship between the focal plane log exposures or scene log luminances, and the digital output levels of an opto-electronic digital image capture system.
This International Standard applies to both monochrome and colour electronic still-picture cameras.
| Standards | Relationship |
| ISO 14524:2009 | Identical |
| ISO 12232:2006 | Photography — Digital still cameras — Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index |
| ISO 516:1999 | Photography — Camera shutters — Timing |
| ISO 12233:2017 | Photography — Electronic still picture imaging — Resolution and spatial frequency responses |
| ISO 5-4:2009 | Photography and graphic technology — Density measurements — Part 4: Geometric conditions for reflection density |
| ISO 5-3:2009 | Photography and graphic technology — Density measurements — Part 3: Spectral conditions |
| ISO 5-1:2009 | Photography and graphic technology — Density measurements — Part 1: Geometry and functional notation |
| ISO 554:1976 | Standard atmospheres for conditioning and/or testing — Specifications |
| ISO 7589:2002 | Photography — Illuminants for sensitometry — Specifications for daylight, incandescent tungsten and printer |
| IEC 61146-2:1997 | Video cameras (PAL/SECAM/NTSC) - Methods of measurement - Part 2: Two- and three-sensor professional cameras |
| ISO 5-2:2009 | Photography and graphic technology — Density measurements — Part 2: Geometric conditions for transmittance density |
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