Method and device for compensating for shadows in digital images
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United States of America Patent
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Apr 22, 2008
Grant Date -
Oct 27, 2005
app pub date -
May 2, 2005
filing date -
Oct 31, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for generating a computed digital image of a scene, which can be illuminated with different luminous intensities at a first illumination angle by a first light source. An image sensor records a number of individual images of the scene under different lighting conditions, and these images are set against one another in a pixel-by-pixel manner in a data processing device in order to generate a resulting image. The invention is characterized in that at least one additional light source is provided by means of which the scene can be illuminated at an illumination angle that is different from the illumination angle of the first light source. The different lighting conditions when recording the individual images are obtained by various combinations of luminous intensities of the first and of the at least one other additional light source. The invention also relates to a device for carrying out the inventive method.
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