ICIP
2010
IEEE
13 years 10 months ago
2010
IEEE
This paper points out and attempts to remedy a serious discrepancy in results obtained by global calibration methods: The re-projection error can be rendered very small by these m...
ACCV
2007
Springer
14 years 6 months ago
2007
Springer
We present a new framework for correcting multiperspective distortions using collineations. A collineation describes the transformation between the images of a camera due to change...
ISBI
2007
IEEE
14 years 6 months ago
2007
IEEE
X-ray imaging is an extensively used intra-operative imaging modality because of its low cost and portability. These images have to be corrected for geometric distortion in order ...
ICIP
2000
IEEE
15 years 2 months ago
2000
IEEE
Modern video-based endoscopes offer physicians a wide-angle field of view for minimally-invasive procedures. Unfortunately, inherent barrel distortion prevents accurate perception...