Image aspect ratio conversion processing apparatus

Details Image aspect ratio conversion processing apparatus Image aspect ratio conversion processing apparatus

1993-12-29

1997-09-30

Kostak, Victor R.

Television

Format conversion

Conversion between standards with different aspect ratios

348458, 348581, 348704, H04N 701, H04N 1120, H04N 974, H04N 3223

Patent

active

056730861

ABSTRACT:
An image processing apparatus, for processing a compressed image signal corresponding to an image obtained by optically compressing an object image with a predetermined compression rate, receives the compressed image signal, effects an expansion process on the compressed image signal according to the compression rate thereof, and extracts and releases an image signal corresponding to a part of the image represented by the image signal formed by the expansion, thereby enabling to display a distortion-free image on a monitor.

REFERENCES:
patent: 4223343 (1980-09-01), Belmares-Sarabia et al.
patent: 4310856 (1982-01-01), Poetsch et al.
patent: 4476493 (1984-10-01), Poetsch et al.
patent: 5084765 (1992-01-01), Morlta et al.
patent: 5136398 (1992-08-01), Rodriguez-Cavazos et al.
patent: 5353065 (1994-10-01), Katsumata et al.

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