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enfuse - poor man's HDR


enfuse [options] [--output=IMAGE] INPUT...


Fuse INPUT images into a single IMAGE.

INPUT... are image filenames or response filenames. Response filenames start with an "@"


Common options:
-V, --version
output version information and exit

-h, --help
print this help message and exit

-l, --levels=LEVELS
limit number of blending LEVELS to use (1 to 29); negative number of LEVELS
decreases maximum; "auto" restores the default automatic maximization

-o, --output=FILE
write output to FILE; default: "a.tif"

-v, --verbose[=LEVEL]
verbosely report progress; repeat to increase verbosity or directly set to LEVEL

-w, --wrap[=MODE]
wrap around image boundary, where MODE is "none", "horizontal", "vertical", or
"both"; default: none; without argument the option selects horizontal wrapping

set compression of output image to COMPRESSION, where COMPRESSION is: "deflate",
"jpeg", "lzw", "none", "packbits", for TIFF files and 0 to 100, or "jpeg",
"jpeg-arith" for JPEG files, where "jpeg" and "jpeg-arith" accept a compression

set the layer selector ALGORITHM; default: "all-layers"; available algorithms are:
"all-layers": select all layers in all images; "first-layer": select only first
layer in each multi-layer image; "largest-layer": select largest layer in each
multi-layer image; "no-layer": do not select any layer from any image;

set one or more KEY-VALUE pairs

Extended options:
image cache BLOCKSIZE in kilobytes; default: 2048KB

force COLORSPACE for blending operations; Enfuse uses "CIECAM" for images with
ICC-profile and "IDENTITY" for those without and also for all floating-point

-c, --ciecam
use CIECAM02 to blend colors; disable with "--no-ciecam"

use the ICC profile from PROFILE-FILE instead of sRGB

-d, --depth=DEPTH
set the number of bits per channel of the output image, where DEPTH is "8", "16",
"32", "r32", or "r64"

-g associated-alpha hack for Gimp (before version 2) and Cinepaint

manually set the size and position of the output image; useful for cropped and
shifted input TIFF images, such as those produced by Nona

set image CACHESIZE in megabytes; default: 1024MB

Fusion options:
weight given to well-exposed pixels (0 <= WEIGHT <= 1); default: 1

weight given to highly-saturated pixels (0 <= WEIGHT <= 1); default: 0.2

weight given to pixels in high-contrast neighborhoods (0 <= WEIGHT <= 1); default:

weight given to pixels in high entropy neighborhoods (0 <= WEIGHT <= 1); default: 0

center also known as MEAN of Gaussian weighting function (0 <= MEAN <= 1); default:

standard deviation of Gaussian weighting function (SIGMA > 0); default: 0.2

average over all masks; this is the default

force hard blend masks and no averaging on finest scale; this is especially useful
for focus stacks with thin and high contrast features, but leads to increased noise

Expert options:
LOWERCUTOFF and UPPERCUTOFF are the values below or above of which pixels are
weighted with zero weight in exposure weighting; append "%" signs for relative
values; default: 0%:100%:anti-value:value

set window SIZE for local-contrast analysis (SIZE >= 3); default: 5

apply gray-scale PROJECTOR in exposure or contrast weighing, where PROJECTOR is one
of "anti-value", "average", "l-star", "lightness", "luminance", "pl-star", "value",
or "channel-mixer:RED-WEIGHT:GREEN-WEIGHT:BLUE-WEIGHT"; default: "average"

set scale on which to look for edges; positive LCESCALE switches on local contrast
enhancement by LCEFACTOR (EDGESCALE, LCESCALE, LCEFACTOR >= 0); append "%" to
LCESCALE for values relative to EDGESCALE; append "%" to LCEFACTOR for relative
value; default: 0:0:0

minimum CURVATURE for an edge to qualify; append "%" for relative values; default:

set window SIZE for local entropy analysis (SIZE >= 3); default: 3

LOWERCUTOFF is the value below of which pixels are treated as black and UPPERCUTOFF
is the value above of which pixels are treated as white in the entropy weighting;
append "%" signs for relative values; default: 0%:100%

save weight masks in SOFT-TEMPLATE and HARD-TEMPLATE; conversion chars: "%i": mask
index, "%n": mask number, "%p": full path, "%d": dirname, "%b": basename, "%f":
filename, "%e": extension; lowercase characters refer to input images uppercase to
the output image default: "softmask-%n.tif":"hardmask-%n.tif"

skip calculation of weight maps and use the ones in the files matching the
templates instead. These can be either hard or soft masks. For template syntax
see "--save-masks"; default: "softmask-%n.tif":"hardmask-%n.tif"

Enfuse accepts arguments to any option in uppercase as well as in lowercase letters.


TMPDIR The TMPDIR environment variable points to the directory, where to store ImageCache
files. If unset Enfuse uses "/tmp".

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