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Extrinsic Signatures Embedding and Detection in Electrophotographic Halftone Images through Laser Intensity Modulation

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In this paper, we demonstrated the feasibility of embedding unperceivable code sequence by modulating dot gains through laser intensity modulation for halftone images. From a communication systems point of view, a printer and a document scanner form the physical layer of a communication channel, where information can be hidden in halftone images and reliably transmitted and extracted. In the proposed approach, we will leverage our previous results in embedding unperceivable banding signals to halftone images and develop an integrated embedding and detection algorithm to embed and extract information with high payload capacity. Specifically, we will characterize the embedding capacity and detection rate associated with the proposed algorithm. Preliminary experimental results will be presented.

Document Type: Research Article

Publication date: January 1, 2006

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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