A Multiresolution Spline with Application to Image Mosaics
Peter J. Burt and Edward H. Adelson
ACM Transactions on Graphics, vol. 2, no. 4, pp. 217-236 (1983).
We define a multiresolution spline technique for combining two or more images into a larger image mosaic. In this
procedure, the images to be splined are first decomposed into a set of band-pass filtered component images. Next, the
component images in each spatial frequency hand are assembled into a corresponding bandpass mosaic. In this step,
component images are joined using a weighted average within a transition zone which is proportional in size to the
wave lengths represented in the band. Finally, these band-pass mosaic images are summed to obtain the desired image
mosaic. In this way, the spline is matched to the scale of features within the images themselves. When coarse
features occur near borders, these are blended gradually over a relatively large distance without blurring or
otherwise degrading finer image details in the neighborhood of the border.