ISO 20498-1:2019
Traditional Chinese medicine — Computerized tongue image analysis system — Part 1: General requirements
This document specifies general requirements for a computerized tongue image analysis system (CTIS).
This document is limited to the safety aspects and technical requirements for a CTIS, excluding the diagnosis or interpretation of tongue images.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Components of CTIS
5 Technical requirements
5.1 General
5.2 Tongue positioning
5.3 Lighting part
5.4 Image acquisition part
5.4.1 General
5.4.2 Spatial resolution
5.4.3 Colour components
5.4.4 Colour components acquirement
5.5 Data processing part
5.6 Display
6 Safety
6.1 Safety of material
6.2 Prevention from infection
6.3 General requirements for testing of ME equipment
6.4 Electrical hazards
6.5 Mechanical hazards
Annex A (informative) Tongue positioning
Annex B (informative) Test methods for CTIS
Annex C (informative) Data processing part
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Components of CTIS
5 Technical requirements
5.1 General
5.2 Tongue positioning
5.3 Lighting part
5.4 Image acquisition part
5.4.1 General
5.4.2 Spatial resolution
5.4.3 Colour components
5.4.4 Colour components acquirement
5.5 Data processing part
5.6 Display
6 Safety
6.1 Safety of material
6.2 Prevention from infection
6.3 General requirements for testing of ME equipment
6.4 Electrical hazards
6.5 Mechanical hazards
Annex A (informative) Tongue positioning
Annex B (informative) Test methods for CTIS
Annex C (informative) Data processing part
Bibliography