Correction of image deformations using B-spline surfaces in digital close range photogrammetry

Knut Åmdal

doi:10.1117/12.2294352

1 August 1990 Correction of image deformations using B-spline surfaces in digital close range photogrammetry

Knut Åmdal

Proceedings Volume 1395, Close-Range Photogrammetry Meets Machine Vision; 139531 (1990) https://doi.org/10.1117/12.2294352
Event: Close-Range Photogrammetry Meets Machine Vision, 1990, Zurich, Switzerland

Abstract

Abstract - This paper presents an approach for solving the geometric image deformation problem due to lens distortion, using B-Spline surfaces. The calibration method is described and experimental results are presented for a close range photogrammetry setup with an "off-the-shelf' CCD video camera and a 3D calibration frame. Active light sources, optical fibers, were used as calibration points. The design of the calibration frame was a result of experimenting with different light emitting diodes, background lighting, and optical fibers.

Citation Download Citation

Knut Åmdal "Correction of image deformations using B-spline surfaces in digital close range photogrammetry", Proc. SPIE 1395, Close-Range Photogrammetry Meets Machine Vision, 139531 (1 August 1990); https://doi.org/10.1117/12.2294352

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