ISO/IEC INTERNATIONAL STANDARD 19794-15 First edition 2017-05 Information technology Biometric data interchange format - Part 15: Palm crease image data Technologies de I'information - Formats d'échange de données biométriques - Partie 15: Données relatives a I'image des lignes de la main Reference number IEC ISO/IEC 19794-15:2017(E) International Organization for Standardization STANDARDIZATIONC15956617 @IS0/IEC2017 IS0/IEC19794-15:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting 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. ISO copyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Internatinair PrganizationforStandardization icensee-ZHEJIANG INST.OF STANDJSA6FECs1.7 -All rights reserved Not for Resale, 2017/8/21 02:58:42 etworking permitted without license from IHS IS0/IEC 19794-15:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope ..1 2 Normative reference 3 Terms and definitions 4 Abbreviated terms 5 Conformance. ..2 6 Data conventions. ..2 6.1 General ..2 6.2 Scan sequence 7 Image capture requirements .3 7.1 Spatial sampling rate. .3 7.2 Bit-depth. .4 7.3 Illumination .4 7.4 Pixel aspect ratio 7.5 Report structure .4 7.6 Standard pose. ..4 7.7 Occlusion by opaque artifacts .5 8 Palm crease image format specification .5 8.1 GeneraldataelementsVersion 8.2 Representation of specific data elements . 6 8.2.1 Overview. ..6 8.2.2 Capture date and time. .6 8.2.3 Capture device type. .6 8.2.4 Quality block. .7 8.2.5 Imagetype 1 8.2.6 Image width and image height .7 8.2.7 Bit-depth. ..8 8.2.8 Image position and property. 8.2.9 Image colour and compression .9 8.2.10 Illumination type .10 8.2.11 Image background ..10 8.2.12 Horizontal scan resolution .10 8.2.13 Vertical scan resolution .10 8.2.14 Pixel aspect ratio. .10 8.3 Image data. .10 8.4 Extended data .11 8.4.1 Extended data block function ..11 8.4.2 Extended data block. ..11 9 Registered formattype identifiers ..12 Annex A (normative) Conformance testing methodology ..13 Annex B (normative) XML schema .15 Annex C (informative) XML sample .19 iii See=ZHEJIANG INSTOFSTANDARDIZATION C15956617 ed without license from IHS Not for Resale, 2017/8/21 02:58:42