论文信息 - Interpolation using type I discrete cosine transform

Interpolation using type I discrete cosine transform

A novel interpolation method, using the type I discrete cosine transform (DCT-I), is introduced. The original definition of the DCT-I has been modified to suit this application. Three options for the modified DCT-I are proposed.

Zhongde Wang

[1] M. Newman,et al. Interpolation and approximation , 1965 .

[2] L. Rabiner,et al. A digital signal processing approach to interpolation , 1973 .

[3] R. Bracewell. Discrete Hartley transform , 1983 .

[4] Zhongde Wang. Fast algorithms for the discrete W transform and for the discrete Fourier transform , 1984 .

[5] Donald Fraser,et al. Interpolation by the FFT revisited-an experimental investigation , 1989, IEEE Trans. Acoust. Speech Signal Process..