Align image stack

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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.
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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]], extended [[Depth of Field]], and [[Stereoscopic]] images.
 
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This article is a stub.
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== Usage ==
 
== Usage ==
  align_image_stack [options] input files
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  align_image_stack [options] input_files
 
=== Options: modes of operation ===
 
=== Options: modes of operation ===
 
  -p file   
 
  -p file   
Output .pto file (useful for debugging, or further refinement)"
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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
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  -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
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-d
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Optimize radial distortion for all images, except for first.
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-i
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Optimize image center shift for all images, except for first.
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-x
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Optimize X coordinate of the camera position.
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-y
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Optimize Y coordinate of the camera position.
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-z
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Optimize Z coordinate of the camera position. Useful for aligning more distorted images.
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-S
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Assume stereo images - allow horizontal shift of control points.  Adds all control points as "horizontal lines".
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-A
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Align stereo window - assumes -S.  Adds one "normal" control point that is the nearest point so everything will appear behind the display plane.
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-P
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Align stereo window with pop-out effect - assumes -S.  Adds one "normal" control point that is the nearest point from the border areas so the center of the image may appear in front of the display plane.
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-C
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Auto crop the image to the area covered by all images.
 
  -c num     
 
  -c num     
 
Number of [[control points]] to create between adjacent images (default: 8)
 
Number of [[control points]] to create between adjacent images (default: 8)
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Display help.
 
Display help.
  
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{{Incomplete}}
 
[[Category:Software:Hugin]]
 
[[Category:Software:Hugin]]

Revision as of 19:03, 18 April 2013

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, extended Depth of Field, and Stereoscopic 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. Adds all control points as "horizontal lines".

-A

Align stereo window - assumes -S. Adds one "normal" control point that is the nearest point so everything will appear behind the display plane.

-P

Align stereo window with pop-out effect - assumes -S. Adds one "normal" control point that is the nearest point from the border areas so the center of the image may appear in front of the display plane.

-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.

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