An alternative to image.m

[Rafał Mantiuk]

There is an external set of tools, which can be used to visualize /
process / store 2D data:

http://pfstools.sourceforge.net/

pfstools package is meant to deal with high dynamic range images, but I
have found it useful for other purposes as well. The viewer
(http://www.mpi-sb.mpg.de/resources/pfstools/pfsview_screenshot.png) can
display an Octave matrix as an HDR image, where the visible dynamic
range as well as the mapping function (linear, logarithmic, power
function) can be adjusted interactively. Other commands can load or save
data from / to HDR or low dynamic range image files (OpenEXR, RGBE,
logLuv tiff, PNG, JPEG). Other useful tools:
* image resizing with several resampling filters
* color space transformations
* projective transformations

Rafal



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