Interpolation filter with motion compensation

Details Interpolation filter with motion compensation Interpolation filter with motion compensation

1985-09-27

1987-06-30

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 11, H04N 700

Patent

active

046774831

ABSTRACT:
A progressive scan receiver includes a frame interpolation filter for generating added lines for display in a given field from a video input signal by interpolation from corresponding elements of immediately preceding and following fields. A second filter provides a line interpolated signal having picture elements spatially and temporally coincident with corresponding elements of the frame interpolated signal and having a suppressed vertical detail component. A third filter attenuates the vertical detail component of the frame interpolated signal. An output circuit combines the signals of the three filters to provide a frame interpolated video output signal in which the vertical resolution of the video input signal is preserved and motion artifacts characteristic of frame interpolation are attenuated.

REFERENCES:
patent: 3051778 (1962-08-01), Graham
patent: 4400719 (1983-08-01), Powers
patent: 4415931 (1983-11-01), Dischert
patent: 4598309 (1986-07-01), Casey

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