Image coding apparatus and image coding method

A bit counter (214) counts the codes included in one transmission unit. An importance judging section (217) divides the code quantity counted by the bit counter (214) by the number of coding macroblocks included in one transmission unit to calculate an average code quantity per coding macroblock. A...

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Bibliographische Detailangaben
1. Verfasser:	IMURA KOJI,IDO DAIJI,MIYAZAKI AKIHIRO,HATA KOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CALCULATING CODE CONVERSION IN GENERAL CODING COMPUTING COUNTING DECODING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	A bit counter (214) counts the codes included in one transmission unit. An importance judging section (217) divides the code quantity counted by the bit counter (214) by the number of coding macroblocks included in one transmission unit to calculate an average code quantity per coding macroblock. A threshold comparing section (220) compares the average code quantity with a threshold calculated from the frame rate and the bit rate to determine the importance of the corresponding transmission unit.