Apparatus and method for detecting a defective pixel
AssigneeSony Corporation
InventorTsutomu Nakajima
Life of this patent
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Abstract
An image pickup device without a light shielding device for blocking light received by a solid-state image pickup element, the image pickup device including: a supplying section configured to supply a signal for resetting a charge of a floating diffusion disposed so as to correspond to one or a plurality of pixels in the solid-state image pickup element; and a detecting section configured to detect a pixel in which change in output of the pixel after passage of a certain time from the resetting of the charge of the floating diffusion is larger than a predetermined threshold value.
Claims3
An image pickup device without a light shielding device that blocks light received by a solid-state image pickup element, the image pickup device comprising:
- circuitry configured to:
- supply a signal that resets a charge of a floating diffusion disposed so as to correspond to one or a plurality of pixels and a signal that resets a charge accumulated in a photodiode of a pixel in said solid-state image pickup element;
- and
- detect said pixel in which a change in output of said pixel is larger than a predetermined threshold value in an event the charge accumulated in said photodiode is reset in a predetermined exposure time from the reset of the charge of said floating diffusion.
Dependencies are inferred from the claim text.