Focusing method for digital photographing apparatus
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United States of America Patent
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N/A
Issued Date -
Aug 25, 2005
app pub date -
Jan 5, 2005
filing date -
Feb 19, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a focusing method for a digital photographing apparatus by which an image is displayed while a focal lens is moved in response to a manual operation signal generated by a user. The method includes: obtaining a focus value at a current position of the focal lens, wherein the focus value is proportionate to an amount of high-frequency components contained in an image displayed currently; determining a focusing state at the current position of the focal lens based on the focus value of the current position; and changing a sharpness of the currently displayed image such that the result of the determination of the focusing state can be expressed in the currently displayed image. A digital photographing apparatus using the method is also provided.
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