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BS ISO/IEC 29794-6:2015

$167.15

Information technology. Biometric sample quality – Iris image data

Published By Publication Date Number of Pages
BSI 2015 40
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PDF Catalog

PDF Pages PDF Title
7 Foreword
8 Introduction
9 1 Scope
2 Conformance
10 3 Normative references
4 Terms and definitions
11 5 Acronyms and abbreviated terms
6 Iris image quality metrics
6.1 General
12 6.2 Required iris image quality metrics computed from a single image
6.2.1 Usable iris area
13 6.2.2 Iris-sclera contrast
14 6.2.3 Iris-pupil contrast
15 6.2.4 Pupil boundary circularity
16 6.2.5 Grey scale utilisation
6.2.6 Iris radius
17 6.2.7 Pupil dilation
6.2.8 Iris pupil concentricity
18 6.2.9 Margin adequacy
20 6.2.10 Sharpness
21 6.3 Recommended iris image quality metrics computed from a single image
6.3.1 Frontal gaze–elevation
6.3.2 Frontal gaze-azimuth
23 6.3.3 Motion blur
6.4 Iris image quality metrics computed from two images
6.4.1 Common usable iris area
6.4.2 Dilation constancy
24 6.4.3 Illumination similarity
6.5 Unified (overall) quality score
6.5.1 General
6.5.2 Computational method
25 7 Iris acquisition quality
7.1 General
7.2 Dedicated illumination
7.2.1 Description
7.2.2 Units of measure
26 7.2.3 Computational method
7.2.4 Value range/threshold
7.3 Modulation transfer function
7.3.1 Description
7.3.2 Units of measure
7.3.3 Computational method
7.3.4 Value range/threshold
7.4 Spatial sampling rate
7.4.1 Description
27 7.4.2 Units of measure
7.4.3 Computational method
7.4.4 Value range/threshold
7.5 Optical distortion
7.6 Pixel aspect ratio
7.6.1 Description
7.6.2 Units of measure
7.6.3 Computational method
7.6.4 Value range/threshold
7.7 Sensor signal-to-noise ratio
7.7.1 Description
7.7.2 Units of measure
28 7.7.3 Computational method
7.7.4 Value range/threshold
8 Iris image quality data record
8.1 Binary encoding
30 8.2 XML encoding
32 Annex A (normative) Conformance test assertions
33 Annex B (informative) Iris image quality
37 Bibliography
BS ISO/IEC 29794-6:2015
$167.15