Image enhancement by sub-pixel imaging

Details Image enhancement by sub-pixel imaging Image enhancement by sub-pixel imaging

2008-01-29

2008-01-29

Lee, Patrick J. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S208100, C250S573000, C356S237400, C382S145000

Reexamination Certificate

active

11617360

ABSTRACT:
Methods and apparatus for improving the resolution of an electronic imaging device having an array of pixels. Sub-pixel dimension movements between an object and the array of pixels are made, and an image is formed at each position. Resulting shifted images are combined to yield an effective resolution corresponding to an array having smaller pixels. Such methods and apparatus allow optical systems with existing pixel devices to form effective images of smaller feature sizes.

REFERENCES:
patent: 7075059 (2006-07-01), Oldham et al.
patent: 7199357 (2007-04-01), Oldham et al.
patent: 2004/0113050 (2004-06-01), Olszak et al.
R.N. Hook, A.S. Fruchter, “Dithering, Sampling and Image Reconstruction”, ASP Conf. Ser., vol. 216, Astronomical Data Analysis Software and Systems IX, eds. N. Manset, C. Veillet, D. Crabtree (San Francisco: ASP) 521, 2000.

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