Difference between revisions of "Align image stack"
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=== Options: modes of operation === | === Options: modes of operation === | ||
-p file | -p file | ||
| − | Output .pto file (useful for debugging, or further refinement) | + | Output .pto file (useful for debugging, or further refinement) |
-a prefix | -a prefix | ||
Align images, output as prefix_xxxx.tif | Align images, output as prefix_xxxx.tif | ||
| Line 21: | Line 21: | ||
-m | -m | ||
Optimize field of view for all images, except for first. Useful for aligning focus stacks with slightly different magnification | Optimize field of view for all images, except for first. Useful for aligning focus stacks with slightly different magnification | ||
| − | -c num | + | -d |
| + | Optimize radial distortion for all images, except for first. | ||
| + | -i | ||
| + | Optimize image center shift for all images, except for first. | ||
| + | -x | ||
| + | Optimize X coordinate of the camera position. | ||
| + | -y | ||
| + | Optimize Y coordinate of the camera position. | ||
| + | -z | ||
| + | Optimize Z coordinate of the camera position. Useful for aligning more distorted images. | ||
| + | -S | ||
| + | Assume stereo images - allow horizontal shift of control points. | ||
| + | -A | ||
| + | Align stereo window - assumes -S. | ||
| + | -P | ||
| + | Align stereo window with pop-out effect - assumes -S. | ||
| + | -C | ||
| + | Auto crop the image to the area covered by all images. | ||
| + | -c num | ||
Number of [[control points]] to create between adjacent images (default: 8) | Number of [[control points]] to create between adjacent images (default: 8) | ||
-l | -l | ||
Revision as of 01:55, 15 October 2012
align_image_stack is a command-line tool available in the development version of hugin to align overlapping images to facilitate HDR creation, Exposure blending and extended Depth of Field images.
Usage
align_image_stack [options] input files
Options: modes of operation
-p file
Output .pto file (useful for debugging, or further refinement)
-a prefix
Align images, output as prefix_xxxx.tif
-o output
Merge images to HDR, generate output.hdr
Options: modifiers
-v
Verbose, print progress messages
-e
Assume input images are full frame fish eye (default: rectilinear)
-t num
Remove all control points with an error higher than num pixels (default: 3)
-f HFOV
Approximate horizontal field of view of input images, use if EXIF info not complete
-m
Optimize field of view for all images, except for first. Useful for aligning focus stacks with slightly different magnification
-d
Optimize radial distortion for all images, except for first.
-i
Optimize image center shift for all images, except for first.
-x
Optimize X coordinate of the camera position.
-y
Optimize Y coordinate of the camera position.
-z
Optimize Z coordinate of the camera position. Useful for aligning more distorted images.
-S
Assume stereo images - allow horizontal shift of control points.
-A
Align stereo window - assumes -S.
-P
Align stereo window with pop-out effect - assumes -S.
-C
Auto crop the image to the area covered by all images. -c num Number of control points to create between adjacent images (default: 8)
-l
Assume linear input files
-s scale
Scale down image by 2^scale (default: 1 [2x downsampling]). Scaling down images will improve speed at the cost of accuracy.
-g gsize
Break image into a rectangular grid (gsize x gsize) and attempt to find num control points in each section (default: 5 [5x5 grid] )
-h
Display help.