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The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.

A Flexible Technique for Accurate Omnidirectional Camera Calibration and Structure from Motion

Open access
Scaramuzza, D., Martinelli, A., Siegwart, R.·2006·Fourth IEEE International Conference on Computer Vision Systems (ICVS'06)

Abstract

In this paper, we present a flexible new technique for single viewpoint omnidirectional camera calibration. The proposed method only requires the camera to observe a planar pattern shown at a few different orientations. Either the camera or the planar pattern can be freely moved. No a priori knowledge of the motion is required, nor a specific model of the omnidirectional sensor. The only assumption is that the image projection function can be described by a Taylor series expansion whose coefficients are estimated by solving a two-step least-squares linear minimization problem. To test the proposed technique, we calibrated a panoramic camera having a field of view greater than 200 in the vertical direction, and we obtained very good results. To investigate the accuracy of the calibration, we also used the estimated omni-camera model in a structure from motion experiment. We obtained a 3D metric reconstruction of a scene from two highly distorted omnidirectional images by using image correspondences only. Compared with classical techniques, which rely on a specific parametric model of the omnidirectional camera, the proposed procedure is independent of the sensor, easy to use, and flexible.

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Metadata

Authors
Scaramuzza, D., Martinelli, A., & Siegwart, R.
Venue
Fourth IEEE International Conference on Computer Vision Systems (ICVS'06)
Publisher
IEEE
Published
2006
Pages
45-45
OpenAlex
W2099343826
Cited by
417
References
13
FWCI
12.16
Type
conference paper
Language
en
Open access
green

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