BS ISO 15739:2023 – TC

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Tracked Changes. Photography. Electronic still-picture imaging. Noise measurements

Published By	Publication Date	Number of Pages
BSI	2023	126

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Categories: 37.040.99 - Other standards related to photography, BSI

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PDF Catalog

PDF Pages	PDF Title
1	30473321
73	A-30431332
74	undefined
79	Foreword
80	Introduction
81	1 Scope 2 Normative references 3 Terms and definitions
83	4 Test conditions 4.1 General
84	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
85	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
86	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
87	5.3 Measurement of a DSC having manual exposure control 5.3.1 General 5.3.2 OECF measurement
88	5.3.3 Adjustment of illumination 5.3.4 Test densities 5.3.5 Diffuser setting 5.3.6 Camera lens focus
89	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
90	6 Calculation of metrics 6.1 General 6.2 Noise 6.2.1 General
91	6.2.2 Determining the noise for luminance measurements
92	6.2.3 Determining the noise for exposure measurements 6.3 Signal-to-noise ratios — large area 6.3.1 General 6.3.2 Determining the reference luminance and luminance value for calculating signal-to-noise ratio
93	6.3.3 Determining the signal-to-total noise ratio
94	6.3.4 Determining the temporal signal-to-noise ratio 6.3.5 Determining the fixed pattern signal-to-noise ratio
95	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
97	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
98	Annex A (normative) Noise component analysis
104	Annex B (normative) Visual noise measurements
114	Annex C (normative) Removing low frequency variations from the image signals
115	Annex D (informative) Procedure for determining signal-to-noise ratio
117	Annex E (informative) Practical viewing conditions for various output media
118	Annex F (informative) Introduction of perceptually uniform mapping of visual noise to noisiness JND
121	Bibliography