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BS ISO 20954-1:2019 Digital cameras. Measurement method for image stabilization performance - Optical systems >
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BS ISO 20954-1:2019 Digital cameras. Measurement method for image stabilization performance - Optical systems, 2019
- National foreword
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Measurement method
- 4.1 General
- 4.2 Equipment and environment for measurement
- 4.2.1 Test chart
- 4.2.2 Lighting
- 4.2.3 Temperature and humidity
- 4.2.4 Vibration generator
- 4.2.5 Vibration waveform
- 4.2.6 Shooting distance
- 4.3 Settings of camera to be measured
- 4.3.1 Shooting mode
- 4.3.2 Optical image stabilization mode
- 4.3.3 Image quality mode (compression ratio)
- 4.3.4 Image quality mode (number of recorded pixels)
- 4.3.5 Sensitivity
- 4.3.6 Flash
- 4.3.7 Electronic (digital) zoom
- 4.3.8 Focus control
- 4.3.9 White balance
- 4.3.10 Exposure
- 4.3.11 Aperture
- 4.3.12 Aspect ratio
- 4.4 Measurement procedures
- 4.4.1 Brief description of the procedures
- 4.4.2 Calculating value from captured image
- 4.4.3 Measurement of intrinsic image degradation amount
- 4.4.4 Measurement of total image degradation amount (for selection criteria I and II in 4.2.5)
- 4.4.5 Measurement of total image degradation amount (for selection criterion III in 4.2.5)
- 4.5 Calculation of optical image stabilization performance
- 4.5.1 Calculation of basic values
- 4.5.2 Method of converting intrinsic image degradation amount and measured image degradation amount into 35 mm film equivalent values
- 4.5.3 Calculation of optical image stabilization performance
- 5 Presentation of results
- 5.1 Common requirements
- 5.2 Requirements for the nominal value
- 5.3 Requirements for the non-nominal value
- 5.4 Examples of presentation
- Annex A (normative) Vibration waveforms
- Annex B (informative) CIPA test chart method
- Annex C (informative) Slanted edge test chart method
- Annex D (informative) Verification of vibration generator
- Annex E (informative) Additional information
- Annex F (informative) Description method in brochures
- Bibliography [Go to Page]
