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- W3199844382 abstract "Palatal rugae is a new type of biological feature that is suitable for forensic identification in special environments. This work proposes to perform palatal rugae recognition via 2D fractional fourier transform (FrFT). Firstly, since FrFT is superior in the time-frequency analysis of non-stationary signals, we extract the time-frequency characteristics of palatal rugae profiles using 2D FrFT; Secondly, we achieve feature dimensionality reduction by constructing feature vector utilizing the discrete cosine transform (DCT) coefficients, which show the greatest discriminative power; Finally, we use support vector machine (SVM) to perform classification and recognition. In addition, we perform weighted fusion of the recognition results obtained by using different single order fractional domain amplitude spectrum to obtain a better final result. In particular, each weight parameter value is determined by calculating the contribution rate to recognition of each fractional domain amplitude spectrum. Experimental results show that the proposed method is effective." @default.
- W3199844382 created "2021-09-27" @default.
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- W3199844382 date "2021-01-01" @default.
- W3199844382 modified "2023-09-27" @default.
- W3199844382 title "Palatal Rugae Recognition via 2D Fractional Fourier Transform" @default.
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- W3199844382 doi "https://doi.org/10.1007/978-3-030-86608-2_19" @default.
- W3199844382 hasPublicationYear "2021" @default.
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