DWT and QR Code Based Watermarking for Document DRM

  • Nicolò Cardamone
  • Fabrizio d’AmoreEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11378)


This paper presents a digital rights protection scheme for every type of document presented as an image, by using steps that use cryptography and watermarking. The entities involved in this process are two: the owner of the document that owns its digital rights and a generic user who can download or view a watermarked version of the original document. The watermarked version contains a QR code that is repeatedly inserted, and scrambled, by the document rights owner, into the frequency components of the image, thus producing the watermarked image. The QR code contains a signed ID that uniquely identifies every users using the system. The schema, a non-blind type, achieves good perceptive quality and fair robustness using the third level of the Discrete Wavelet Transform. The experimental results show that by inserting several occurrences of a scrambled QR code we get an approach that is quite resistant to JPEG compression, rotation, cropping, and salt and pepper noise.


Watermarking Steganography DWT 


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Sapienza University of RomeRomeItaly

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