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)
Approximate horizontal field of view of input images, use if EXIF info not complete
Optimize field of view for all images, execpt for first. Useful for aligning focus stacks with slightly different magnification
Number of control points to create between adjectant images (default: 200)