Device for correcting image data read with image sensor

Details Device for correcting image data read with image sensor Device for correcting image data read with image sensor

2011-07-19

2011-07-19

Haskins, Twyler L (Department: 2625)

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

C358S001130, C358S504000, C358S002100, C358S001900, C358S003260, C382S112000

Reexamination Certificate

active

07982921

ABSTRACT:
An image processing device is provided which corrects error pixels without using a line buffer even in the case of using an image sensor with a structure having a plurality of sensors arranged in series. It has a detecting component for detecting the presence or absence of a factor of black line and Kth error pixel correcting processing components each for receiving the Kth pixel signal among the pixel signals output in N divisions, and for correcting error pixels. When the factor of black line is detected at a boundary between Kth and (K−1)th division outputs, the Kth error pixel correcting processing component notifies the (K−1)th error pixel correcting processing component of neighboring pixel information about the error pixels, and the (K−1)th error pixel correcting processing component corrects the error pixels at the boundary in response to the neighboring pixel information notified and the (K−1)th pixel signal.

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patent: 2002-077584 (2002-03-01), None
patent: 2004-193742 (2004-07-01), None

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