Workplan & Specs of JPEG XT

Under development

• ISO/IEC PRF 18477-1:
  Core coding system specification
  (ISO page, ISO edition 3, in stage 50.00)

Published

• ISO/IEC 18477-1:2020:
  Core coding system specification
  (ISO page, ISO edition 2, in stage 90.92)
• ISO/IEC 18477-2:2016:
  Coding of high dynamic range images
  (ISO page, ISO edition 1, in stage 90.60)
• ISO/IEC 18477-3:2023:
  Box file format
  (ISO page, ISO edition 2, in stage 60.60)
• ISO/IEC 18477-4:2017:
  Conformance testing
  (ISO page, ISO edition 1, in stage 90.60)
• ISO/IEC 18477-4:2017/Cor 1:2023:
  Conformance testing — Technical Corrigendum 1
  (ISO page, ISO edition 1, in stage 60.60)
• ISO/IEC 18477-5:2018:
  Reference software
  (ISO page, ISO edition 1, in stage 90.60)
• ISO/IEC 18477-6:2016:
  IDR Integer Coding
  (ISO page, ISO edition 1, in stage 90.93)
• ISO/IEC 18477-7:2017:
  HDR Floating-Point Coding
  (ISO page, ISO edition 2, in stage 90.60)
• ISO/IEC 18477-8:2020:
  Lossless and near-lossless coding
  (ISO page, ISO edition 2, in stage 60.60)
• ISO/IEC 18477-9:2016:
  Alpha channel coding
  (ISO page, ISO edition 1, in stage 90.60)

Withdrawn or canceled

• ISO/IEC 18477-1:2015:
  Scalable compression and coding of continuous-tone still images
  (ISO page, ISO edition 1)
• ISO/IEC 18477-3:2015:
  Box file format
  (ISO page, ISO edition 1)
• ISO/IEC 18477-7:2016:
  HDR Floating-Point Coding
  (ISO page, ISO edition 1)
• ISO/IEC 18477-8:2016:
  Lossless and near-lossless coding
  (ISO page, ISO edition 1)