Importance

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Abstract

Keyword attachment is easily achieved in a short time. An automatic key attachment function deriving section derives an automatic key attachment function from an image quantity of a keyword attached to a designated reference image and a feature quantity of the reference image and stores the function into an automatic key attachment function storing section. A feature quantity calculating section of an image data registering section calculates the feature quantity of a registered image. A keyword estimating section obtains an image quantity from the calculated feature quantity and the automatic key attachment function, estimates the keyword based on this obtained image quantity and attaches the keyword to the registered image data. Thus by preparatorily registering the keyword into a keyword storing section together with the image quantity, the deriver of the automatic key attachment function and the attachment of the keyword to the registered image can be automatically executed, thereby allowing the keyword attachment to be easily achieved in a short time.

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First Claim