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HUGIN_STACKER(1)		     HUGIN		      HUGIN_STACKER(1)

NAME
       hugin_stacker - stack overlapping images	to a single image

SYNOPSIS
       hugin_stacker [options] --mode=STRING images

DESCRIPTION
       hugin_stacker acts on a stack of	overlapping images and produces	a
       combined	image and/or a set of masked output images.

       hugin_stacker is	useful for e.g.

          automatic  tourist  removal	(not  only tourists, also other	moving
	   objects ;-))

          noise reduction

          visualize movement

          multiplicity

OPTIONS
       --mode
	   Select stack	mode:

	   min|minimum|darkest
	       Select the darkest pixel.

	   max|maximum|brightest
	       Select the brightest pixel.

	   avg|average|mean
	       Calculate the mean for each position.

	   median
	       Calculate the median for	each position.

	   winsor
	       Calculate the Winsor  trimmed  mean  for	 each  position.   The
	       parameter can be	set with --winsor-trim=NUMBER (default:	0.2).

	   sigma
	       Calculate  the sigma clipped mean for each position.  Fine-tune
	       with	 --max-sigma=NUMBER	  (default:	  2)	   and
	       --max-iterations=NUMBER (default: 5).

   Further parameters
       --output=FILE
	   Set	the  filename  for  the	output file (if	not given final.tif is
	   used).

       --compression=value
	   Set the compression of the output files.  For jpeg files use	values
	   between 0 and 100.  For tiff	 files	valid  values  are:  PACKBITS,
	   DEFLATE, LZW.

       --bigtiff
	   Write output	in BigTIFF format (only	with TIFF output).

   Mask	input images
       --mask-input
	   Beside  the	stacked	 output	 hugin_stacker can also	mask the input
	   images (available only for stacking modes median|winsor|clip). This
	   mode	is activated with --mask-input.	In this	case the stacked image
	   is first calculated.	Then each pixel	in each	image is  checked:  if
	   the	value  of  this	 pixel differs more then mask sigma * standard
	   deviation from the mean/median, this	pixel is made visible.	If  it
	   is in the mentioned range the pixel is masked out.

       --mask-sigma=NUMBER
	   sets	the sigma parameter for	--mask-input. Default is 2.

       --mask-suffix=STRING
	   Output   a	separate   mask	 image	for  each  input  image	 named
	   inputfilenameSTRING.	 Default value is "_mask".

       --multi-layer-output
	   Output a layered TIFF with the name specified  with	--output.  The
	   file	contains the averaged image as layer 0 and all input images as
	   additional layers with the mask as described	above.

AUTHORS
       POD-format	     documentation	      converted		  from
       <https://wiki.panotools.org/Hugin_stacker> by Andreas Metzler

Version: 2024.0.1"		  2020-01-07		      HUGIN_STACKER(1)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=hugin_stacker&sektion=1&manpath=FreeBSD+Ports+14.3.quarterly>

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