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 |
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 |