Invention Grant
US08089533B2 Fixed pattern noise removal circuit, fixed pattern noise removal method, program, and image pickup apparatus 失效
固定图案噪声去除电路,固定图案噪声去除方法,程序和图像拾取装置

Fixed pattern noise removal circuit, fixed pattern noise removal method, program, and image pickup apparatus
Abstract:
A fixed pattern noise removal circuit is provided for removing vertical streak fixed pattern noise from an output signal of an image sensor including an output system for every predetermined number of columns. The fixed pattern noise removal circuit includes a correction signal output unit configured to output a correction signal corresponding to the output system in accordance with an offset component and a light-intensity-dependent component of the fixed pattern noise occurring in the output system, and a signal correction unit configured to remove the fixed pattern noise from the output signal of the image sensor on the basis of the correction signal output from the correction signal output unit.
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