Multiple exposure methods and apparatus for electronic cameras
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United States of America Patent
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Feb 15, 2011
Grant Date -
Mar 4, 2010
app pub date -
Nov 9, 2009
filing date -
Mar 21, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A method for capturing multiple sets of image data with an electronic camera having a shutter and an electronic shutter for selectively allowing light to reach an image sensor comprises opening the shutter and the electronic shutter, allowing light to reach the image sensor for a first exposure time, closing the electronic shutter, reading out pixel data captured during the first exposure time, allowing light to reach the image sensor for a second exposure time, and, reading out pixel data captured during the second exposure time. The method may be used to obtain multiple differently exposed images of a scene for combination into a high dynamic range image.
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