Wavelet-based image registration

William D. Reynolds Jr.; Karl C. Walli

doi:10.1117/12.512532

19 November 2003 Wavelet-based image registration

William D. Reynolds Jr., Karl C. Walli

Proceedings Volume 5203, Applications of Digital Image Processing XXVI; (2003) https://doi.org/10.1117/12.512532
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

This paper investigates the use of wavelets to automatically register remotely sensed images. The proposed algorithm is based on the Laplacian of Gaussian (LoG) filter to automatically extract ground control points and the discrete wavelet transform (DWT) for multiresolution analysis. The structural properties of the wavelet coefficients can be exploited in a unique fashion to reduce the search space for the control points. The inherent multiresolution processing of the image data provides an efficient method for registering large image data sets because the full-size does not require processing.

Citation Download Citation

William D. Reynolds Jr. and Karl C. Walli "Wavelet-based image registration", Proc. SPIE 5203, Applications of Digital Image Processing XXVI, (19 November 2003); https://doi.org/10.1117/12.512532

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