IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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CMOS image sensor with pseudorandom pixel Placement
Junichi Akita
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2008 Volume 5 Issue 10 Pages 388-393

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Abstract

The picture element (pixel) in conventional image sensors are placed in the form of a lattice for ease of implementation. Lattice placement of pixels intrinsically has directional singularity on the clarity of image representation, and the clarity is significantly dependent on the directions of the objects in the image. For example, horizontal lines are perfectly represented, while slanted lines have jagged edges.
 In this paper, we describe the CMOS image sensor with the pseudorandom pixel placement that solves the problem of the directional singularity on the clarity of image representation, as well as its evaluation in terms of the clarity of image representation for slant lines.

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© 2008 by The Institute of Electronics, Information and Communication Engineers
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