Improving digital image watermarking by means of optimal channel selection

作者：

Highlights：

• Novel digital image watermarking method using a wavelet-based quantization approach.

• Optimal color channel selection scheme for the embedding.

• Otsu’s classification-based adaptive threshold for the extraction process.

• Outperformance of imperceptibility and robustness to state-of-the-art techniques.

摘要

•Novel digital image watermarking method using a wavelet-based quantization approach.•Optimal color channel selection scheme for the embedding.•Otsu’s classification-based adaptive threshold for the extraction process.•Outperformance of imperceptibility and robustness to state-of-the-art techniques.

论文关键词：Digital image watermarking,Discrete wavelet transform,Coefficients quantization,Optimal color-channel selection,Adaptive Otsu thresholding

论文评审过程：Received 20 April 2015, Revised 5 April 2016, Accepted 9 June 2016, Available online 11 June 2016, Version of Record 21 June 2016.

论文官网地址：https://doi.org/10.1016/j.eswa.2016.06.015