ISO 19093:2018

Name: ISO 19093:2018 — Photography — Digital cameras — Measuring low-light performance
SKU: ISO 19093:2018
Price: 34200 RUB
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Photography — Digital cameras — Measuring low-light performance

Название (английский):

ISO 19093:2018

Photography — Digital cameras — Measuring low-light performance

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 19
Дата публикации:: 5 сентября 2018 г.
Издание:: ISO IS 19093 edition 1 version 1
ICS:: 37.040.10

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Описание (английский):

This document specifies a protocol to measure the low-light performance of a camera. It is applicable to the measurement of digital cameras including camera phones and other mobile devices. The performance aspects defined in this document are intended to all be tested. Picking one or some of them by the tester is out of scope of the usage of this document.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 19093:2018 - Photography - Digital cameras - Measuring low-light performance - defines a standardized protocol for measuring the low-light performance of digital cameras, including camera phones and other mobile devices. The standard specifies test conditions, a multi-purpose test chart, camera setup and capture rules, and performance metrics (exposure, noise, texture, chroma). All defined performance aspects are intended to be tested together - selecting only some is out of scope.

Key topics and technical requirements

Scope and applicability: Applies to still digital cameras and mobile device cameras; results are intended to be comparable across devices.

Test chart and illumination:

Chart must include an ISO 14524 grey scale (≥16 levels, contrast ≥100:1), colour patches (≥18), low-contrast sinusoidal structures for texture, central concentric circles for focusing, and an 18% grey background.
Minimum active chart height: 675 mm (approx. 30× full-frame sensor height).
Illumination consistent with daylight per ISO 7589; light source must be dimmable without major spectral shifts.

Camera setup and capture:

Camera fixed on a test bench; 28 mm (35 mm equivalent) focal length and open aperture preferred when available; for interchangeable lenses, use same equivalent focal length and aperture.
Use auto-focus (AF) for each capture; report AF mode and any focus failures.
If comparing raw outputs, capture RAW and process with the same RAW processor/settings; otherwise use highest in-camera quality (lowest compression).
Use auto ISO when available; handheld-limit exposure time defined as 1/f s (where f is 35 mm-equivalent focal length), with allowance for image stabilization.

Performance aspects:

Exposure time and level, noise (ISO 15739), texture/low-contrast detail (ISO/TS 19567-1), and chroma decrease are explicitly measured and reported.

Results presentation: Procedures for presenting measured values and an example method for generating a single performance value are provided (Annex A). Test chart details are in Annex B.

Practical applications and users

Camera manufacturers validating low-light performance during R&D and QA.

Mobile device OEMs benchmarking camera modules.

Test labs and reviewers producing comparable low-light camera comparisons.

Component suppliers (sensors, lenses, ISP vendors) assessing system-level performance.

Standards bodies and certification organizations requiring reproducible metrics.

Related standards

ISO 7589 - Illuminants for sensitometry

ISO 14524 - OECF measurements

ISO 15739 - Noise measurements

ISO/TS 19567-1 - Texture reproduction (frequency)

IEC 61966-2-1 - sRGB colour space

Keywords: ISO 19093, low-light performance, digital cameras, camera phones, test chart, noise, texture, OECF, ISO sensitivity, autofocus, MTF.

ISO 19093:2018

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Технические детали

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Photography. Digital cameras. Measuring low-light performance.