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- W2884627732 abstract "In this paper, an effective method based on the color quaternion wavelet transform (CQWT) for image forensics is proposed. Compared to discrete wavelet transform (DWT), the CQWT provides more information, such as the quaternion’s magnitude and phase measures, to discriminate between computer generated (CG) and photographic (PG) images. Meanwhile, we extend the classic Markov features into the quaternion domain to develop the quaternion Markov statistical features for color images. Experimental results show that the proposed scheme can achieve the classification rate of 92.70%, which is 6.89% higher than the classic Markov features." @default.
- W2884627732 created "2018-08-03" @default.
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- W2884627732 date "2018-10-24" @default.
- W2884627732 modified "2023-09-27" @default.
- W2884627732 title "Discrimination of Computer Generated and Photographic Images Based on CQWT Quaternion Markov Features" @default.
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- W2884627732 doi "https://doi.org/10.1142/s0218001419540077" @default.
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