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AS ISO/IEC 39794.9:2024

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AS ISO/IEC 39794.9:2024

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Information technology – Extensible biometric data interchange formats, Part 9: Vascular image data

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AS ISO/IEC 39794.9:2024 identically adopts ISO/IEC 39794 9:2021, which specifies — (a) generic extensible data interchange formats for the representation of vascular image data: a tagged binary data format based on an extensible specification in ASN.1 and a textual data format based on an XML schema definition that are both capable of holding the same information; (b) examples of data record contents; (c) application specific requirements, recommendations, and best practices in data acquisition; and (d) conformance test assertions and conformance test procedures applicable to this document

Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Conformance
6 Modality-specific information
6.1 Capture recommendations
6.1.1 Image area
6.1.2 Illumination
6.1.3 Normalization of projection
6.1.4 Occlusion by opaque artifacts
6.2 Image coordinate system considerations
6.2.1 Standard pose
6.2.1.1 General
6.2.1.2 Palm
6.2.1.3 Finger
6.2.1.4 Back of the hand
6.2.1.5 Standard poses for future modalities
6.2.2 Object coordinate system
6.2.2.1 General
6.2.2.2 Palm
6.2.2.3 Finger
6.2.2.4 Back of hand
6.2.2.5 Coordinate systems for future modalities
6.3 Image representation requirements
6.3.1 General
6.3.2 Pixel aspect ratio
6.3.3 Bit-depth
6.3.4 Spatial sampling rate
7 Abstract data elements
7.1 Purpose and overall structure
7.2 Vascular image data block
7.3 Version block
7.4 Representation blocks
7.5 Position
7.6 Image data format
7.6.1 Supported image data formats
7.6.2 PGM format definition
7.7 Vascular image data
7.8 Capture date/time block
7.9 Capture device block
7.9.1 Model identifier block
7.9.2 Capture device technology identifier
7.9.3 Certification identifier block
7.10 Quality blocks
7.11 Scan resolution block
7.12 Pixel aspect ratio block
7.13 Bit-depth
7.14 Rotation angle
7.15 Image flip
7.16 Illumination
7.17 Imaging method
7.18 Image background
7.19 PAD data block
7.20 Segmentation blocks
7.21 Annotation blocks
7.22 Comment blocks
7.23 Vendor specific data blocks
8 Encoding
8.1 Tagged binary encoding
8.2 XML encoding
9 Registered format type identifiers
Annex A
A.1 ASN.1 module for tagged binary encoding
A.2 XML schema definition for XML encoding
Annex B
B.1 Sample ASN.1 encoding for vascular image data
B.2 Sample XML encoding for vascular image data
Annex C
C.1 Overview
C.2 Conformance test assertions
Bibliography

Cited references in this standard
Content history
DR AS ISO/IEC 39794.9:2024

Please select a variation to view its description.

Published

06/12/2024
Pages

32

Please select a variation to view its pdf.

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AS ISO/IEC 39794.9:2024
$177.61