PROCESSO E DISPOSITIVO PARA A CODIFICACAO DE UM SINAL DE VIDEO, DISPOSITIVO PARA A DECODIFICACAO DE UM SINAL DE VIDEO CODIFICADO E APARELHO PARA CODIFICAR E DECODIFICAR SINAIS DE VIDEO

PROCESSO E DISPOSITIVO PARA A CODIFICACAO DE UM SINAL DE VIDEO, DISPOSITIVO PARA A DECODIFICACAO DE UM SINAL DE VIDEO CODIFICADO E APARELHO PARA CODIFICAR E DECODIFICAR SINAIS DE VIDEO

A method and means for coding and decoding video signals by repetitive video signal polarity reversal includes the steps of comparing the brightness level of a predetermined time period of the video signal with the brightness level of the video signal over the previous predetermined time period. The...

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Bibliographische Detailangaben
Hauptverfasser: FONDSE P, STUBBS G, DEN TOONDER P, SELTENRIJCH J, JIRKA H
Format: Patent
Sprache:por
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:A method and means for coding and decoding video signals by repetitive video signal polarity reversal includes the steps of comparing the brightness level of a predetermined time period of the video signal with the brightness level of the video signal over the previous predetermined time period. The polarity of the video signal is inverted or reversed if the difference in brightness level between successive predetermined time periods exceeds a given value.