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BS ISO 15739:2023

BS ISO 15739:2023

$198.66

Photography. Electronic still-picture imaging. Noise measurements

Published By Publication Date Number of Pages
BSI 2023 54
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PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Test conditions
4.1 General
12 4.2 Illumination
4.2.1 Characteristics
4.2.2 Daylight illumination
4.2.3 Tungsten illumination
4.2.4 Uniformity of illumination and reflection test chart illumination geometry
4.2.5 Light source amplitude variations
4.3 Temperature and relative humidity
13 4.4 White balance
4.5 Infrared (IR) blocking filter
4.6 Photosite integration time
4.7 Compression
5 Noise measurement procedures
5.1 General
5.2 Measurement of a DSC using a test chart
5.2.1 General
5.2.2 OECF measurement
14 5.2.3 Adjustment of illumination
5.2.4 Test chart
5.2.5 Non-uniformity and image structure spatial components
5.2.6 Camera lens focus
15 5.3 Measurement of a DSC having manual exposure control
5.3.1 General
5.3.2 OECF measurement
16 5.3.3 Adjustment of illumination
5.3.4 Test densities
5.3.5 Diffuser setting
5.3.6 Camera lens focus
17 5.4 Measurement of a DSC having a removable lens
5.4.1 General
5.4.2 OECF measurement
5.4.3 Adjustment of illumination
5.4.4 Test densities
18 6 Calculation of metrics
6.1 General
6.2 Noise
6.2.1 General
19 6.2.2 Determining the noise for luminance measurements
20 6.2.3 Determining the noise for exposure measurements
6.3 Signal-to-noise ratios ā€” large area
6.3.1 General
6.3.2 Determining the reference luminance and luminance value for calculating signal-to-noise ratio
21 6.3.3 Determining the signal-to-total noise ratio
22 6.3.4 Determining the temporal signal-to-noise ratio
6.3.5 Determining the fixed pattern signal-to-noise ratio
23 6.3.6 Determining the exposure values and the signal-to-noise ratios for exposure measurements
6.4 DSC dynamic range
6.4.1 General
6.4.2 Determining the DSC dynamic range for luminance measurements
25 6.4.3 Determining the DSC dynamic range for exposure measurements
7 Presentation of results
7.1 General
7.2 Signal-to-noise ratios
7.3 DSC dynamic range
26 Annex A (normative) Noise component analysis
32 Annex B (normative) Visual noise measurements
42 Annex C (normative) Removing low frequency variations from the image signals
43 Annex D (informative) Procedure for determining signal-to-noise ratio
45 Annex E (informative) Practical viewing conditions for various output media
46 Annex F (informative) Introduction of perceptually uniform mapping of visual noise to noisiness JND
49 Bibliography

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BS ISO 15739:2023
$198.66