Traditional data hiding techniques generally utilize irreversible distortion in the cover media which cannot be recovered after secret data extraction. Data hiding techniques can be applied to other aspects such as embedding patient’s information into medical images and embedding geographic information into remote sensing satellite images.
Paper:
Qian, Zhenxing, and Xinpeng Zhang, "Lossless data hiding in JPEG bitstream," Journal of Systems and Software, Vol. 85, No. 2, pp. 309–313, 2012.
Wang, Kan, Zhe-Ming Lu, and Yong-Jian Hu, "A high capacity lossless data hiding scheme for JPEG images," Journal of Systems and Software, Vol. 86, No. 7, pp. 1965-1975, 2013.