Progressive piecewise registration of orthophotos and airborne scanner images

Lin-Chi Chen; T. T. Yang

doi:10.1117/12.182881

17 August 1994 Progressive piecewise registration of orthophotos and airborne scanner images

Lin-Chi Chen, T. T. Yang

Proceedings Volume 2357, ISPRS Commission III Symposium: Spatial Information from Digital Photogrammetry and Computer Vision; (1994) https://doi.org/10.1117/12.182881
Event: Spatial Information from Digital Photogrammetry and Computer Vision: ISPRS Commission III Symposium, 1994, Munich, Germany

Abstract

From the image-to-image registration point of view, we propose a scheme to iteratively register airborne multi-spectral imagery onto its counterpart, i.e., orthographic photography. The required registration control point pairs are automatically augmented first. Then a local registration procedure is applied according to the generated registration control point pairs. The coordinate transformation uses thin plate spline function. Through a consistency check, if the disparities between the reference image and the transformed airborne multi-spectral image is too large to accept, next iteration is performed. During the second iteration, some best matched feature points used in the consistency check of the first iteration append to the existing registration control points. This iteration procedure continues until the disparities are small enough. Experimental results indicate that the output image attain an excellent geometrical similarity with respect to the reference image. The rms of the disparities is less than 0.5 pixels.

Citation Download Citation

Lin-Chi Chen and T. T. Yang "Progressive piecewise registration of orthophotos and airborne scanner images", Proc. SPIE 2357, ISPRS Commission III Symposium: Spatial Information from Digital Photogrammetry and Computer Vision, (17 August 1994); https://doi.org/10.1117/12.182881

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KEYWORDS

Image registration

Orthophoto maps

Scanners

Photography

Remote sensing

Distortion

Data modeling

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