Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1984-12-21
1986-07-29
Groody, James J.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 11, H04N 701
Patent
active
046033505
ABSTRACT:
Reduction of storage capacity required by one dimensional digital filter/decimator and/or expander/interpolation filter for spatially filtering that given dimension of a scanned two-dimensional image, represented by a temporal video signal, which is orthogonal to raster scan lines. Such filter devices are particularly suitable for use in Burt Pyramid image processing systems.
REFERENCES:
patent: 4447886 (1984-05-01), Meeker
C. Rochiere et al., Multirate Digital Signal Processing, Published by Prentice Hall, Inc., 1983, pp. 79-88.
Peter J. Burt, et al., "The Laplacian Pyramid as a Compact Image Code", IEEE Transactions on Communications, vol. COM-31, No. 4, Apr. 1983, pp. 532-549.
Arbeiter James H.
Bessler Roger F.
Groody James J.
Haas George E.
Kostak Victor
RCA Corporation
Seligsohn George J.
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