Pure three-dimension full phase filtering method
An all-phase, three-dimensional technology, applied in image data processing, television, instruments, etc., can solve the problems of inconsistent visual characteristics, unfavorable coding, violation of visual characteristics of sub-band decomposition, etc.
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[0029] The present invention will be described in further detail below by means of the accompanying drawings and examples.
[0030] First, the structure of the pure three-dimensional all-phase half-band filter is introduced. A point in a digital video signal can be expressed as Z(m, n, l), l represents a frame, and when l takes a certain value, m and n respectively represent the row direction and column direction on this frame. For a point Z(m,n,l), there exist N 3 different three-dimensional data blocks of size N×N×N, namely
[0031] Z i , j , k = Z ( m - N + ...
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