Title :
An interlaced to progressive scan converter for improved PAL systems
Author :
Biasiolo, A. ; Cortelazzo, G. ; Mian, G.A.
Author_Institution :
Seleco SpA, Pordenone, Italy
fDate :
8/1/1990 12:00:00 AM
Abstract :
An interlaced-to-progressive scan converter for improved PAL (phase alteration line) receivers is described. The system is based on fixed linear phase FIR (finite impulse response) interpolators of the Nyquist type. The dimensions of the luminance channel filter are considerable, however, its polyphase realization remarkably reduces structural complexity, maintaining the filter well within reach of present commercial technology. Various system aspects, from hardware considerations to perceptual performance, are examined
Keywords :
convertors; digital filters; interpolation; television receivers; television standards; television systems; Nyquist filter; PAL receivers; improved PAL systems; interlaced to progressive scan converter; linear phase FIR interpolators; luminance channel filter; perceptual performance; polyphase realization; Cathode ray tubes; Displays; Finite impulse response filter; Frequency domain analysis; Information filtering; Information filters; Instruments; Lattices; TV; Transfer functions;
Journal_Title :
Consumer Electronics, IEEE Transactions on
