Dual color images watermarking scheme with geometric correction based on quaternion FrOOFMMs and LS-SVR

Optics & Laser Technology（2023）

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摘要

•A robust color image watermarking algorithm with geometric correction is put forward.•Better image reconstruction ability is achieved based on the defined QFrOOFMMs.•The geometric distortion parameters are predicted by the trained LS-SVR.

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关键词

Color image watermarking, Geometric correction, Quaternion fractional-order orthogonal, Fourier-Mellin moments, Least square support vector regression

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