BLOCK/ADAPTIVE TYPE DIFFERENCE PULSE CORD MODULATION SYSTEM

PROBLEM TO BE SOLVED: To attain compression without causing any error in a digital image signal reconfigured in the differential pulse code modulation coding. SOLUTION: The block adaptive differential pulse code modulation system is provided with DPCM processors 18, 20 without loss that generate a c...

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Hauptverfasser:	GUREGORII RONBORA, JIEEMUSU AARU SARIBAN, BAABAN AARU GANDEI, DAGURASU DABURIYU KOOUENHOOBEN, KURAIGU MITSUCHIERU SUMISU
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To attain compression without causing any error in a digital image signal reconfigured in the differential pulse code modulation coding. SOLUTION: The block adaptive differential pulse code modulation system is provided with DPCM processors 18, 20 without loss that generate a coder instruction signal in response to a pixel block, DPCM compressors 22, 24 with loss that generate the coder instruction signal in response to the pixel block, a coder 28 that generates a coded bit stream receiving the coder instruction signal and compressed, and a switch 26 that selects the coder instruction signal from the processors 18, 20 without loss or the compressors 22, 24 with loss to the coder 28 in response to a compression configuration signal and the coder instruction signal from the compressors 22, 24 with loss.