Digital camera performing pixel shift based on electronic zoom
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United States of America Patent
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Nov 11, 2008
Grant Date -
Apr 27, 2006
app pub date -
Mar 11, 2005
filing date -
Oct 26, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an electronically zoomable digital camera having a hand shake correction mechanism, when electronic zoom operates, pixel shift is carried out in such manner of capturing a reference image and then capturing a shifted image after moving an image capturing element from the reference image by a prescribed amount of shift by means of the hand shake correction mechanism and thereafter interpolating pixels of the shifted image between pixels of the reference image. The amount of shift is changed according to a magnification of the electronic zoom. The hand shake correction mechanism has a continuous mode in which the movement is effected by a continuous amount and a fixed amount mode in which movement is effected by only a fixed amount and is driven in the fixed amount mode when the pixel shift is carried out.
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