Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 5, 2009
Patent Application Number
11456047
Date Filed
July 6, 2006
Patent Primary Examiner
Patent abstract
A method for blurred image judgment is provided. Firstly, a focus value FV1 of an original image is calculated. By using a blur function, the original image is obfuscated to generate a blurred image, and then the focus value FV2 of the blurred image is calculated. A blur ratio FV1/FV2 is compared with a blur threshold value Tp, thereby discriminating whether the original image is blurred according to the comparing result. The method for blurred image judgment is applicable to a digital image capture device. If the original image is deemed blurred, a blur image signal is issued to notify the user whether the retaking operation is done.
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