Panocam: a digital high-resolution panoramic camera for underground installations survey

Croteau, Alain; Pelletier, Julie; Dubuc, Y.

doi:10.1109/tdcllm.2000.882802

Cited by 1 publication

(1 citation statement)

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“…The plane containing the circle is perpendicular to the axis and it is a (horizontal) PVS for the device imaging model, as we showed in Gasparini (2007). Besides using mirrors, omnidirectional images can be also obtained mosaicing images captured by a rotating camera (Croteau et al 2000;Ishiguro et al 1992;Peleg and Ben-Ezra 1999;Shum et al 1999). A line-scan camera, i.e.…”

Section: Extension To Rotating Camerasmentioning

confidence: 99%

Line Localization from Single Catadioptric Images

Gasparini

Caglioti

2011

Int J Comput Vis

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Indoor environments often contain several line segments. The 3D reconstruction of such environments can thus be reduced to the localization of lines in the 3D space. Multi-view reconstruction requires the solution of the correspondence problem. The use of a single image to localize space lines is attractive, since the correspondence problem can be avoided. However, using a central camera the line localization from single image is an ill-posed problem, because there are infinitely many lines sharing the same image.In this work we relaxed the constraint on single viewpoint imaging and considered a wide class of non-central catadioptric cameras, constituted by an axial symmetric mirror and a perspective camera placed at a generic relative position. In the paper we report the results of our study on line localization for such cameras, reporting the conditions that allow a line to be localized from a single image. We show how the analysis can be extended to other classes of noncentral devices sharing a similar imaging model. We also present a brief overview of the main algorithms for line localization from single image that have been proposed.

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Section: Extension To Rotating Camerasmentioning

confidence: 99%