Data Extraction Method from Printed Images with Different Formats

Mitsuji MUNEYASU; Nayuta JINDA; Yuuya MORITANI; Soh YOSHIDA

doi:10.1587/transfun.E100.A.2355

Special Section on Smart Multimedia & Communication Systems

Data Extraction Method from Printed Images with Different Formats

Mitsuji MUNEYASU, Nayuta JINDA, Yuuya MORITANI, Soh YOSHIDA

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Keywords: data embedding, resolution, number of blocks, marker, discrete Fourier transform

JOURNAL RESTRICTED ACCESS

2017 Volume E100.A Issue 11 Pages 2355-2357

DOI https://doi.org/10.1587/transfun.E100.A.2355

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Abstract

In this paper, we propose a method of embedding and detecting data in printed images with several formats, such as different resolutions and numbers of blocks, using the camera of a tablet device. To specify the resolution of an image and the number of blocks, invisible markers that are embedded in the amplitude domain of the discrete Fourier transform of the target image are used. The proposed method can increase the variety of images suitable for data embedding.

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