ISO 20954-1:2019 PDF

Name: ISO 20954-1:2019 — Digital cameras — Measurement method for image stabilization performance — Part 1: Optical systems
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Digital cameras — Measurement method for image stabilization performance — Part 1: Optical systems

Название (английский):

ISO 20954-1:2019

Digital cameras — Measurement method for image stabilization performance — Part 1: Optical systems

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 37
Дата публикации:: 24 июля 2019 г.
Издание:: ISO IS 20954 edition 1 version 1
ICS:: 37.040.10

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Описание (английский):

This document defines the measurement method of optical image stabilization performance for still images compensating for handheld blur consisting of two rotational components, yaw and pitch. It applies to consumer digital cameras with optical image stabilization for still images. Apparatuses such as camcorders and mobile phones with still image shooting functionality are within the scope of this document.

Abstract

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Overview

ISO 20954-1:2019 defines a standardized measurement method for optical image stabilization (OIS) performance in still-image digital cameras. The standard focuses on compensating for handheld blur caused by two rotational components-yaw and pitch-and applies to consumer digital cameras, camcorders and mobile phones with still-image capability. Test results are intended to allow objective comparisons of image stabilization performance across products and to support consistent marketing claims.

Key technical topics and requirements

Measurement objective: Quantify how well an optical image stabilization system reduces handheld blur during exposure.

Simulated handheld vibration: Cameras are mounted on a vibration generator and shaken with standardized vibration waveforms (specified in Annex A) that emulate real handheld motion rather than relying on variable human testers.

Test chart and image capture: Use of a specified test chart with orthogonal dark/bright edges (Annex B) or alternative slanted-edge methods (Annex C) to evaluate blur and image degradation.

Measurement environment and equipment: Requirements cover lighting, temperature/humidity, vibration generator verification, and shooting distance (see Clause 4.2 and Annex D).

Camera settings: Standardized settings include shooting mode, optical stabilization mode, image quality (compression/pixel count), sensitivity (ISO), flash, digital zoom, focus control, white balance, exposure and aperture (Clause 4.3).

Performance metrics and calculations: Procedures convert measured blur into 35 mm film equivalent values and compute stabilization performance against a defined handheld blur threshold (63 μm on a 24 mm × 36 mm frame) (Clauses 4.4–4.5).

Reporting: Guidance for presenting nominal and non‑nominal values and examples for brochure descriptions (Clause 5 and Annex F).

Practical applications and users

Camera manufacturers use ISO 20954-1:2019 to validate and benchmark OIS systems during product development and quality assurance.

Test labs and certification bodies adopt the method to produce reproducible performance data for comparison and certification.

Marketers and product managers rely on standardized results to support claims in specifications and brochures.

Component suppliers (e.g., lens and sensor makers) use the standard to evaluate subsystem contributions to stabilization.

Reviewers and journalists benefit from objective, comparable metrics when assessing camera image stabilization.

Related standards and notes

Based on and consistent with Camera & Imaging Products Association (CIPA) practices (CIPA DC-011 referenced).

The document notes potential patent considerations (holders such as Panasonic have declared relevant patents).

Keywords: ISO 20954-1:2019, image stabilization, optical image stabilization, measurement method, digital cameras, handheld blur, vibration waveform, test chart, CIPA.

ISO 20954-1:2019 PDF

Abstract

Похожие стандарты

Overview

Key technical topics and requirements

Practical applications and users

Related standards and notes

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