Television picture compressor

Details Television picture compressor Television picture compressor

1977-12-19

1980-05-20

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 13, 358 22, 358133, 358183, H04N 902, H04N 522

Patent

active

042042275

ABSTRACT:
A television picture compressor for use with a video synchronizer provides means for sampling the video and providing a predetermined number of samples of video per line and lines per field. The compression of the television picture is provided by means for reducing the samples per line and lines per field. The compressor includes means for averaging the surrounding picture samples to be deleted to determine the value of each compressed picture sample to be maintained.

REFERENCES:
patent: 2921124 (1960-01-01), Graham
patent: 3795763 (1974-03-01), Golding
patent: 3803348 (1974-04-01), Limb
patent: 3946432 (1976-03-01), Goldberg
patent: 4037248 (1977-07-01), Iijima
patent: 4063280 (1977-12-01), Hattori
Matley, J. Brian, "A Digital Framestore Synchronizer", Journal of SMPTE, Jun. 1976, vol. 85, No. 6, pp. 385-387.

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