INTERNATIONAL ISO/IEC STANDARD 18181-1 First edition 2022-03 Information technology - JPEG XL image coding system - Part 1: Core coding system Technologies de I'information - Systeme de codage d'images JPEG XL - Partie 1: Systeme de codage de noyau Reference number IEC IS0/IEC 18181-1:2022(E) iSO @ IS0/IEC 2022 IS0/IEC 18181-1:2022(E) COPYRIGHT PROTECTED DOCUMENT @IS0/IEC2022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may the internet or an intranet, withoutpriorwrittenpermission.Permission can be requested from eitherIso at the addressbelow or Iso's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214Vernier,Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org PublishedinSwitzerland i @ IS0/IEC 2022 - All rights reserved