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"Image watermarking using polar harmonic transform with parameters in SL(2, r)."
Min Qi, Bing-Zhao Li, Huafei Sun (2015)
- Min Qi, Bing-Zhao Li, Huafei Sun:
Image watermarking using polar harmonic transform with parameters in SL(2, r). Signal Process. Image Commun. 31: 161-173 (2015)
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