Additional articles of special issue on Real-time image watermarking and forensics in cloud computing

As an addition to the special issue on Real-Time Image Watermarking and Forensics in Cloud Computing which was published in volume 16, issue 3, June 2019 (https :// link.sprin ger.com/journ al/11554 /16/3), an overview of five additional papers is provided in this guest editorial. These papers address the following areas: (1) image watermarking (one paper), (2) reversible data hiding (three papers), and (3) emerging technique (one paper).