Information hiding in HEVC standard using adaptive coding block size decision

Yiqi Tew, Koksheik Wong

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

40 Citations (Scopus)


In this work, an information hiding techniques is proposed using the coding block size decision in HEVC. This approach manipulates the CB (coding block) size decision on every coding tree unit to embed information based on the predefined mapping rules. Each CB is forced to assume certain size to encode the external information without significantly compromising perceptual quality. To improve payload, the odd-even based information hiding technique is further deployed by manipulating the nonzero DCT coefficients in certain ranges, in which case each range depends on the CB size. Results suggest that by combining both approaches, improvement is achieved in the terms of payload for the higher bitrate scenario and insignificant degradation in perceptual video quality for the low bitrate scenario.

Original languageEnglish
Title of host publication2014 IEEE International Conference on Image Processing, ICIP 2014
PublisherIEEE, Institute of Electrical and Electronics Engineers
Number of pages5
ISBN (Electronic)9781479957514
Publication statusPublished - 28 Jan 2014
Externally publishedYes
EventIEEE International Conference on Image Processing 2014 - Paris, France
Duration: 27 Oct 201430 Oct 2014
Conference number: 21st (Proceedings)


ConferenceIEEE International Conference on Image Processing 2014
Abbreviated titleICIP 2014
Internet address


  • coding block size
  • compressed video
  • H.265
  • HEVC
  • Information hiding

Cite this