Motion vector detecting device, motion vector detecting method, image encoding device, and program

Motion vector detecting device, motion vector detecting method, image encoding device, and program

A motion vector detecting device includes: a motion predicting and compensating means for calculating cost values of a plurality of motion vectors, which is candidates of an optimal motion vector, with a first pixel precision every prediction mode and calculating the optimal motion vector with a sec...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOTAKA NAOHIKO, NAKAZATO MUNEHIRO
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING RECORD CARRIERS
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Beschreibung
Zusammenfassung:A motion vector detecting device includes: a motion predicting and compensating means for calculating cost values of a plurality of motion vectors, which is candidates of an optimal motion vector, with a first pixel precision every prediction mode and calculating the optimal motion vector with a second pixel precision and a cost value of the optimal motion vector with the second pixel precision on the basis of a gradient of the cost values.