Two-dimensional nonseparable discrete linear canonical transform based on CM-CC-CM-CC decomposition

26 May 2017 Soo-Chang Pei Shih-Gu Huang

As a generalization of the two-dimensional Fourier transform (2D FT) and 2D fractional Fourier transform, the 2D nonseparable linear canonical transform (2D NsLCT) is useful in optics, signal and image processing. To reduce the digital implementation complexity of the 2D NsLCT, some previous works decomposed the 2D NsLCT into several low-complexity operations, including 2D FT, 2D chirp multiplication (2D CM) and 2D affine transformations... (read more)

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