Video processing system for picture rotation

Details Video processing system for picture rotation Video processing system for picture rotation

1983-03-15

1986-09-09

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 21R, 340727, 340728, 382 46, H04N 514

Patent

active

046112324

ABSTRACT:
A rotation system includes an input buffer 14 allowing two lines of video information to be processed in interpolator 15 prior to receipt by a framestore 16. The desired rotational angle is selected by selector 17 and the angle information is used within calculator 18 to determine the modified framestore address sequence to be accessed to receive the interpolated data and the interpolation values used within processor 15. The rotated information stored is available for read out under the control of generator 19 to be displayed on monitor 53.

REFERENCES:
patent: 4286291 (1981-08-01), Taylor et al.
patent: 4437121 (1984-03-01), Taylor et al.
patent: 4468688 (1984-08-01), Gabriel et al

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