ISO/IEC INTERNATIONAL STANDARD 18477-1 Second edition 2020-05 Information technology Scalable compression and coding of continuous-tone still images Part 1: Core coding system specification Technologies de Il'information - Compression échelonnable et codage d'imagesplates en ton continu- Partie 1: Specification du systeme de codage de noyau Reference number IS0/IEC 18477-1:2020(E) oS1 @IS0/IEC2020 IS0/IEC 18477-1:2020(E) COPYRIGHTPROTECTEDDOCUMENT @IS0/IEC 2020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may below or Iso's member body in the country of the requester. ISO copyright office CP401·Ch.deBlandonnet8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0/IEC 2020 - All rights reserved