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Two- and three-dimensional image rotation using the FFT

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2 Author(s)
Cox, R.W. ; Inst. of Biophys. Res., Med. Coll. of Wisconsin, Milwaukee, WI, USA ; Raoqiong Tong

Techniques for rotating two- and three-dimensional (2-D and 3-D) images using fast Fourier transforms (FFTs) are presented. The methods are applications of the multidimensional chirp algorithm. In the 2-D case, one chirp transformation is sufficient, requiring four 2-D FFTs, In the 3-D case, two successive chirp transformations are required, needing six 3-D FFTs

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Image Processing, IEEE Transactions on  (Volume:8 ,  Issue: 9 )