Zero-Watermarking for Vector Maps Combining Spatial and Frequency Domain Based on Constrained Delaunay Triangulation Network and Discrete Fourier Transform

Xu Xi, Yang Hua, Yi Chen, Qiande Zhu. Zero-Watermarking for Vector Maps Combining Spatial and Frequency Domain Based on Constrained Delaunay Triangulation Network and Discrete Fourier Transform. Entropy, 25(4):682, April 2023. [doi]

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