Better picture for inexpensive cameras

Details Better picture for inexpensive cameras Better picture for inexpensive cameras

2007-08-08

2008-10-28

Johns, Andrew W (Department: 2624)

Image analysis

Image enhancement or restoration

Intensity, brightness, contrast, or shading correction

Reexamination Certificate

active

07444035

ABSTRACT:
A method for correcting a radial distortion in an image includes receiving a radial distortion parameter from the user and calculating new intensity values of points in the image to correct a radial exposure distortion in the image.

REFERENCES:
patent: 3716660 (1973-02-01), Friedman
patent: 6754400 (2004-06-01), Florin et al.
Wei et al., “Implicit and Explicit Camera Calibration: Theory and Experiments,” IEEE Trans. on Pattern Analysis and Machine Intelligence, vol. 16, No. 5, May 1994, pp. 469-480.
Bax, “Real-time distortion correction using texture mapping,” Proc. SPIE vol. 5029: Medical Imaging 2003: Visualization, Image-Guided Procedures, and Display, Feb. 2003, pp. 249-256.

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