METHOD AND DEVICE FOR ADJUSTING FLASH INTENSITY
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United States of America Patent
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N/A
Issued Date -
Aug 20, 2009
app pub date -
Jun 27, 2008
filing date -
Feb 18, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A flash intensity adjusting device includes an image capturing module, an image-displaying module, a main-image selecting module, an image partition module, a pre-flash brightness-value acquiring module, a flash-intensity calculating module, and a flash derive device. The main-image selecting module is configured for selecting a main image area from the image-displaying area. The image partition module is configured for partitioning the main image area into at least two regions. The pre-flash brightness-value acquiring module is configured for acquiring a brightness value of each region of the main image area when the flash pre-flashing. The flash-intensity calculating module is configured for calculation a mean value according to the brightness value of each region to obtain a flash intensity value of the flash. The flash drive device is configured for driving the flash unit to flash according to the flash intensity value.
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