A study on information hiding technology in image encoding

Li Li; Zhihai Yao; Haitao Wu; Qiang Dai

doi:10.1117/12.575407

8 February 2005 A study on information hiding technology in image encoding

Li Li, Zhihai Yao, Haitao Wu, Qiang Dai

Proceedings Volume 5637, Electronic Imaging and Multimedia Technology IV; (2005) https://doi.org/10.1117/12.575407
Event: Photonics Asia, 2004, Beijing, China

Abstract

Information hiding is a new technology which integrates with theories and technologies of many academic and technical subjects. For information hiding, digital media are used as the carrier of the information to be hidden. The carrier conceals secret messages by covering the form of their existence. In this paper, we briefly introduce the definition, basic models and basic characters of information hiding. The application and research trends for information hiding system are concerned. The information hiding technology based on digital image processing is closely related to human vision system. When the messages are having been concealed, the human eyes are due to verify the existence of hiding messages. That is, the status of information coverage depends on the human vision system. It is obvious that the characteristics of human vision system is to be taken advantage. The added secrete information in the digital image should have no any effect onto human eyes. In our research work, an implementation of information hiding technology system which is based on digital image encoding is proposed. First by analyzing knowledge of digital image processing and the model of human vision system, we discussed the algorithm of time domain appending method and the algorithm of substitution of lease significant bit. Secondly, we analyzed theory and algorithms of 2-D discrete wavelet transform and frequency domain algorithm based on discrete wavelet transformation. Carefully design software for information hiding based on digital image using Microsoft Visual C++6.0 is implemented. The communication with hiding messages may use any format of images such as BMP. It is proved to be an effective application.

Citation Download Citation

Li Li, Zhihai Yao, Haitao Wu, and Qiang Dai "A study on information hiding technology in image encoding", Proc. SPIE 5637, Electronic Imaging and Multimedia Technology IV, (8 February 2005); https://doi.org/10.1117/12.575407

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KEYWORDS

Data hiding

Raster graphics

Digital imaging

Information technology

Human vision and color perception

Computer programming

Digital image processing

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