Frame format conversion device for converting image signal frame

Details Frame format conversion device for converting image signal frame Frame format conversion device for converting image signal frame

1994-08-05

1996-04-16

Groody, James J.

Television

Format conversion

348451, 348407, 348443, 348469, H04N 713

Patent

active

055087477

ABSTRACT:
A device for converting image signal frame format including a motion compensator for restoring image signals by carrying out motion compensations employing motion information, variable length decoding, inverse multiplex conversion, displaced frame difference, inverse quantization, and inverse discrete cosine conversion. A first frame ratio convertor is used for classifying areas by pixels and converting frame ratios of image signals received from the motion compensator according to the classified areas. The device provides users with the advantage of natural display pictures having good picture quality by carrying out classification of the corresponding pixel areas and subsequent interpolation utilizing various informations applied from an image signal decoder.

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patent: 5117288 (1992-05-01), Elsenhardt et al.
patent: 5193003 (1993-03-01), Kondo
patent: 5357282 (1994-10-01), Lee

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