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Maximally flat half-band diamond-shaped FIR filters using the Bernstein polynomial

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3 Author(s)
T. Cooklev ; Fac. of Eng., Tokyo Inst. of Technol., Japan ; T. Yoshida ; A. Nishihara

Two-dimensional (2-D) linear-phase diamond-shaped (DS) FIR digital filters have important image processing applications. They are used in sampling structure conversion, e.g. interlace-to-progressive conversion. Maximally flat (MF) DS filters have attractive time- and frequency-domain properties and are preferred in some applications. In this correspondence MF half-band DS FIR are designed using the two-variable Bernstein polynomial. Formulas for the transfer function and the impulse response are obtained

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IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing  (Volume:40 ,  Issue: 11 )