Title :
An optimal approach to digital raster mapper design
Author :
Knutson, Paul ; McNeely, David ; Horlander, Karl
Author_Institution :
Thomson R&D Lab., Indianopolis, IN, USA
fDate :
11/1/1991 12:00:00 AM
Abstract :
An analytic method of digital interpolator optimization is proposed. Performance approaching or equaling that of full polyphase filter designs is achieved through the generation of orthogonal filters via singular value decomposition (SVD). This approach preserves the magnitude, group delay, and composite filter response and can eliminate the traditional restriction to ratio of integer interpolation and decimation factors
Keywords :
digital filters; picture processing; SVD; composite filter response; decimation; digital interpolator optimization; digital raster mapper design; group delay; image data; integer interpolation; magnitude; orthogonal filters; polyphase filter; ratio; sample rate conversion; singular value decomposition; Band pass filters; Bandwidth; Delay; Frequency domain analysis; Frequency response; Image converters; Image reconstruction; Interpolation; Low pass filters; Passband;
Journal_Title :
Consumer Electronics, IEEE Transactions on
