ISO/IEC DIS 39794-16
(Main)Information technology -- Extensible biometric data interchange formats
Information technology -- Extensible biometric data interchange formats
Titre manque
General Information
Standards Content (sample)
DRAFT INTERNATIONAL STANDARD
ISO/IEC DIS 39794-16
ISO/IEC JTC 1/SC 37 Secretariat: ANSI
Voting begins on: Voting terminates on:
2020-08-07 2020-10-30
Information technology — Extensible biometric data
interchange formats —
Part 16:
Full body image data
ICS: 35.240.15
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
This document is circulated as received from the committee secretariat.
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/IEC DIS 39794-16:2020(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. ISO/IEC 2020
---------------------- Page: 1 ----------------------
ISO/IEC DIS 39794-16:2020(E)
ISO/IEC DIS 39794-16:2020(E)
6.12 Submillimetre imaging ............................................................................................................................... 43
6.13 Imaging Use Cases ........................................................................................................................................ 44
6.13.1 General ............................................................................................................................................................. 44
6.13.2 Imaging System Baseline Use Cases ....................................................................................................... 44
7 Abstract data elements .............................................................................................................................. 46
7.1 Overview .......................................................................................................................................................... 46
7.1.1 Content and notation .................................................................................................................................. 46
7.1.2 Body tree concept ......................................................................................................................................... 46
7.1.3 Anthropometric data models ................................................................................................................... 48
7.1.4 Structure overview ...................................................................................................................................... 50
7.1.5 Data conventions .......................................................................................................................................... 51
7.2 Body Image Data Block ............................................................................................................................... 51
7.3 Version block ................................................................................................................................................. 51
7.4 Representation block .................................................................................................................................. 52
7.5 Representation ID ........................................................................................................................................ 52
7.6 Capture date/time block ............................................................................................................................ 52
7.7 Quality blocks ................................................................................................................................................ 52
7.8 PAD data block .............................................................................................................................................. 52
7.9 Session identifier .......................................................................................................................................... 53
7.10 Derived from .................................................................................................................................................. 53
7.11 Capture device block ................................................................................................................................... 53
7.12 Model identifier block ................................................................................................................................ 53
7.13 Certification identifier block .................................................................................................................... 53
7.14 Body part number ........................................................................................................................................ 53
7.15 Pose angle block ........................................................................................................................................... 55
7.15.1 Yaw angle (Y) ................................................................................................................................................. 56
7.15.2 Pitch angle (P) ............................................................................................................................................... 56
7.15.3 Roll angle (R) ................................................................................................................................................. 56
7.16 Angle data block ........................................................................................................................................... 56
7.17 Angle value ..................................................................................................................................................... 56
7.18 Angle uncertainty ......................................................................................................................................... 56
7.19 Landmark blocks .......................................................................................................................................... 57
7.20 Landmark kind .............................................................................................................................................. 57
7.21 MPEG4 feature point ................................................................................................................................... 57
7.22 Eye and nostril centre landmark point ................................................................................................ 57
7.23 Anthropometric landmark for face and body .................................................................................... 58
7.23.1 Anthropometric landmark for face ........................................................................................................ 58
7.23.2 CAESAR anthropometric 3D landmark point ..................................................................................... 58
7.23.3 MPEG4 body point ........................................................................................................................................ 60
7.24 Landmark coordinates block ................................................................................................................... 62
7.25 Image representation block ..................................................................................................................... 62
7.26 2D image representation block ............................................................................................................... 62
7.27 2D representation data .............................................................................................................................. 62
COPYRIGHT PROTECTED DOCUMENT7.28 2D capture device block ............................................................................................................................. 62
© ISO/IEC 20207.29 Capture wavelength range block ............................................................................................................ 63
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
7.30 Capture device technology ........................................................................................................................ 64
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
7.31 2D image information block ..................................................................................................................... 65
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.7.32 2D image kind ................................................................................................................................................ 66
ISO copyright office7.33 Post acquisition processing ...................................................................................................................... 66
CP 401 • Ch. de Blandonnet 87.34 Lossy transformation attempts ............................................................................................................... 67
CH-1214 Vernier, Geneva7.35 Image data format ........................................................................................................................................ 67
Phone: +41 22 749 01 11Fax: +41 22 749 09 47
7.36 Camera to subject distance (CSD) ........................................................................................................... 68
Email: copyright@iso.orgWebsite: www.iso.org
Published in Switzerland
© ISO/IEC 2017 – All rights reserved
ii © ISO/IEC 2020 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/IEC DIS 39794-16:2020(E)
Contents
Contents ............................................................................................................................................................................ 2
Foreword .......................................................................................................................................................................... 7
Introduction .................................................................................................................................................................... 8
1 Scope ................................................................................................................................................................. 10
2 Normative references ................................................................................................................................. 11
3 Terms and definitions ................................................................................................................................ 12
4 Abbreviated terms ....................................................................................................................................... 24
5 Conformance .................................................................................................................................................. 28
6 Modality specific information .................................................................................................................. 29
6.1 Purpose ............................................................................................................................................................ 29
6.2 Digital image encoding ............................................................................................................................... 29
6.3 Photographic requirements and recommendations for white light imaging ........................ 30
6.3.1 General ............................................................................................................................................................. 30
6.3.2 Contrast and saturation ............................................................................................................................. 30
6.3.3 Focus and depth of field ............................................................................................................................. 30
6.3.4 Greyscale density ......................................................................................................................................... 30
6.3.5 Colour ............................................................................................................................................................... 31
6.3.6 Radial distortion of the camera lens ..................................................................................................... 31
6.4 Digital requirements and recommendations for images ............................................................... 31
6.4.1 Geometry ......................................................................................................................................................... 31
6.4.2 Colour ............................................................................................................................................................... 31
6.5 Format requirements and recommendations ................................................................................... 32
6.6 Recommendations for full body image data systems ...................................................................... 32
6.6.1 Architecture ................................................................................................................................................... 32
6.6.2 Usability and accessibility ......................................................................................................................... 32
6.7 Practical applications ................................................................................................................................. 32
6.8 Full body imaging technical requirements ......................................................................................... 34
6.8.1 Optical distortion ......................................................................................................................................... 34
6.8.2 Colour fidelity ................................................................................................................................................ 34
6.8.3 Example full body photographs .............................................................................................................. 35
6.9 Full body photography session ............................................................................................................... 36
6.9.1 Typical workflow for full body photography session ..................................................................... 36
6.9.2 Full body photograph content requirements ..................................................................................... 37
6.10 Photo studio recommendations for full body photography ......................................................... 37
6.10.1 General ............................................................................................................................................................. 37
6.10.2 Recommended camera orientation and margins ............................................................................. 37
6.10.3 Recommended positioning and distance between camera and subject................................... 38
6.10.4 Recommended focusing settings ............................................................................................................ 39
6.10.5 Recommended white balance settings for white light imaging ................................................... 39
6.10.6 Recommended backdrop design ............................................................................................................ 39
6.10.7 Example configurations for a photo studio ......................................................................................... 40
6.10.8 Basic fidelity image test for white light imaging ............................................................................... 41
6.11 Non-white light or multispectral imaging ........................................................................................... 41
6.11.1 General ............................................................................................................................................................. 41
6.11.2 Infrared imaging ........................................................................................................................................... 42
6.11.3 Ultraviolet imaging ...................................................................................................................................... 42
2 © ISO/IEC 2020 – All rights reserved---------------------- Page: 3 ----------------------
ISO/IEC DIS 39794-16:2020(E)
6.12 Submillimetre imaging ............................................................................................................................... 43
6.13 Imaging Use Cases ........................................................................................................................................ 44
6.13.1 General ............................................................................................................................................................. 44
6.13.2 Imaging System Baseline Use Cases ....................................................................................................... 44
7 Abstract data elements .............................................................................................................................. 46
7.1 Overview .......................................................................................................................................................... 46
7.1.1 Content and notation .................................................................................................................................. 46
7.1.2 Body tree concept ......................................................................................................................................... 46
7.1.3 Anthropometric data models ................................................................................................................... 48
7.1.4 Structure overview ...................................................................................................................................... 50
7.1.5 Data conventions .......................................................................................................................................... 51
7.2 Body Image Data Block ............................................................................................................................... 51
7.3 Version block ................................................................................................................................................. 51
7.4 Representation block .................................................................................................................................. 52
7.5 Representation ID ........................................................................................................................................ 52
7.6 Capture date/time block ............................................................................................................................ 52
7.7 Quality blocks ................................................................................................................................................ 52
7.8 PAD data block .............................................................................................................................................. 52
7.9 Session identifier .......................................................................................................................................... 53
7.10 Derived from .................................................................................................................................................. 53
7.11 Capture device block ................................................................................................................................... 53
7.12 Model identifier block ................................................................................................................................ 53
7.13 Certification identifier block .................................................................................................................... 53
7.14 Body part number ........................................................................................................................................ 53
7.15 Pose angle block ........................................................................................................................................... 55
7.15.1 Yaw angle (Y) ................................................................................................................................................. 56
7.15.2 Pitch angle (P) ............................................................................................................................................... 56
7.15.3 Roll angle (R) ................................................................................................................................................. 56
7.16 Angle data block ........................................................................................................................................... 56
7.17 Angle value ..................................................................................................................................................... 56
7.18 Angle uncertainty ......................................................................................................................................... 56
7.19 Landmark blocks .......................................................................................................................................... 57
7.20 Landmark kind .............................................................................................................................................. 57
7.21 MPEG4 feature point ................................................................................................................................... 57
7.22 Eye and nostril centre landmark point ................................................................................................ 57
7.23 Anthropometric landmark for face and body .................................................................................... 58
7.23.1 Anthropometric landmark for face ........................................................................................................ 58
7.23.2 CAESAR anthropometric 3D landmark point ..................................................................................... 58
7.23.3 MPEG4 body point ........................................................................................................................................ 60
7.24 Landmark coordinates block ................................................................................................................... 62
7.25 Image representation block ..................................................................................................................... 62
7.26 2D image representation block ............................................................................................................... 62
7.27 2D representation data .............................................................................................................................. 62
7.28 2D capture device block ............................................................................................................................. 62
7.29 Capture wavelength range block ............................................................................................................ 63
7.30 Capture device technology ........................................................................................................................ 64
7.31 2D image information block ..................................................................................................................... 65
7.32 2D image kind ................................................................................................................................................ 66
7.33 Post acquisition processing ...................................................................................................................... 66
7.34 Lossy transformation attempts ............................................................................................................... 67
7.35 Image data format ........................................................................................................................................ 67
7.36 Camera to subject distance (CSD) ........................................................................................................... 68
© ISO/IEC 2020 – All rights reserved 3---------------------- Page: 4 ----------------------
ISO/IEC DIS 39794-16:2020(E)
7.37 Sensor diagonal ............................................................................................................................................. 68
7.38 Lens focal length ........................................................................................................................................... 69
7.39 Image size block ........................................................................................................................................... 69
7.40 Image width .................................................................................................................................................. 69
7.41 Image height ................................................................................................................................................. 69
7.42 Sampling rate block ..................................................................................................................................... 69
7.43 Spatial sampling rate .................................................................................................................................. 69
7.44 Temporal sampling rate ............................................................................................................................ 70
7.45 Image colour space ...................................................................................................................................... 70
7.46 Reference colour mapping block ............................................................................................................ 70
7.47 Reference colour schema .......................................................................................................................... 70
7.48 Reference colour definition and value block ..................................................................................... 71
7.49 JPEG EXIF ......................................................................................................................................................... 71
7.50 Forensic findings block .............................................................................................................................. 72
7.50.1 Forensic observations ................................................................................................................................ 72
7.50.2 Link to reports ............................................................................................................................................... 72
7.50.3 Dynamic range low ...................................................................................................................................... 72
7.50.4 Dynamic range high ..................................................................................................................................... 72
7.50.5 Dynamic range notes ................................................................................................................................... 72
7.50.6 Colour fidelity CIELAB a* ........................................................................................................................... 73
7.50.7 Colour fidelity CIELAB b* ........................................................................................................................... 73
7.50.8 Colour fidelity notes .................................................................................................................................... 73
7.50.9 Image sharpness ........................................................................................................................................... 74
7.50.10 Image sharpness notes ....................................................................................................................... 74
7.51 3D shape representation block ............
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.