Title :
Multistage sampling structure conversion of video signals
Author :
Manduchi, R. ; Cortelazzo, G.M. ; Mian, G.A.
Author_Institution :
Dipartimento di Elettronica e Inf., Padova Univ., Italy
fDate :
10/1/1993 12:00:00 AM
Abstract :
The work extends multistage implementation of sampling structure conversion to the multidimensional (M-D) case. The issues arising in this task are usefully addressed on the basis of lattice theory. Numerical data supporting the advantages of multistage sampling conversion are presented, and the case of format conversion from the 4/3 to the 16/9 aspect ratio is examined as a study case. The main indication of the present work is that multistage implementation, in the case of systems for sampling structure conversion of video signals, may improve the system characteristics and visual rendition
Keywords :
filtering and prediction theory; image processing; multidimensional digital filters; video signals; 16:9 aspect ratio; 4:3 aspect ratio; format conversion; lattice theory; multistage implementation; multistage sampling structure conversion; system characteristics; video signals; visual rendition; Finite impulse response filter; Frequency response; HDTV; Lattices; Low pass filters; Minimax techniques; Multidimensional systems; Sampling methods; Signal sampling; TV;
Journal_Title :
Circuits and Systems for Video Technology, IEEE Transactions on
