Rotation and zooming in image mosaicing

Many methods are available for image mosaicing most of which are not useful because they either (1) require a great deal of overlap between images, or (2) if they work for restricted sub-problem (translation, rotation or zooming) they would not work for the others. While numerous methods exist for accurately calculating translational shifts, no method was found that could handle rotations of angles greater than 15 degrees, or for scaling. In this paper, a new method using Zernike moments is presented to solve for the translational registration, rotational registration (2D and 3D) and zooming all at the same time. This method was tested on different sets of images with translational shifts, rotational shifts and zooming. The method is very fast, efficient and does not require any human interaction, and the results proved to be very accurate.

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