Quatjnd: a robust quaternion jnd model for color image watermarking

HIGHLIGHTS

• who: Wenbo Wan et al. from the School of Information Science and Engineering, Shandong Normal University, Jinan, China have published the Article: QuatJND: A Robust Quaternion JND Model for Color Image Watermarking, in the Journal: Entropy 2022, 24, 1051. of 21/09/2020
• what: In this paper, a robust quaternion JND model for color image watermarking (QuatJND) is proposed. The authors propose a new pattern complexity representation that combines the directional energy within a QDCT block and the directional energy of its neighboring QDCT blocks. The authors show and discuss the experimental results. In the . . .
  

   

  

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