Align image stack
align_image_stack is a command-line tool available in the development version of hugin to align overlapping images to facilitate HDR creation.
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align_image_stack [options] input files
Options: modes of operation
Output .pto file (useful for debugging, or further refinement)"
Align images, output as prefix_xxxx.tif
Merge images to HDR, generate output.hdr
Verbose, print progress messages
Remove all control points with an error higher than num pixels (default: 3)
Optimize field of view for all images, except for first. Useful for aligning focus stacks with slightly different magnification
Number of control points to create between adjacent images (default: 200)