US 2007/0177039 A1 · IMAGE PICKUP APPARATUS

Abstract

A detection error of foreign substance due to the presence of a newly generated defective pixel can be considerably prevented. An image pickup apparatus includes a foreign substance detector detecting foreign substance adhering to an optical member arranged on a light axis for image capturing in accordance with an image signal obtained by the image pickup device, a defective pixel position detector detecting a position of a defective pixel in the image pickup device in accordance with an image signal obtained by the image pickup device, a storage unit storing position information detected by the defective pixel position detector, and a controller controlling processing so that the foreign substance detector detects the foreign substance after the defective pixel position detector detects the position of the defective pixel.

Claims8

Dependent claims

An image pickup apparatus having an image pickup device which outputs image signals subjected to photoelectric conversion, the image pickup apparatus comprising:

an optical member arranged on a light axis for image capturing and arranged in front of the image pickup device;
a foreign substance detector detecting foreign substance adhering to the optical member in accordance with the image signals outputted from the image pickup device;
a defective pixel position detector detecting a position of a defective pixel in the image pickup device in accordance with the image signals outputted from the image pickup device;
a storage unit storing information on the position detected by the defective pixel position detector;
and
a controller controlling the foreign substance detector to detect foreign substance after the defective pixel position detector detects the position of a defective pixel.

3 more elements

Dependencies are inferred from the claim text.

Image pickup apparatus

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Image pickup apparatus

Life of this patent

Abstract

Claims8