pfstools package is a set of command line (and one GUI) programs for reading, writing, manipulating and viewing high-dynamic range (HDR) images and video frames. All programs in the package exchange data using unix pipes and a simple generic HDR image format (pfs). The concept of the pfstools is similar to netpbm package for low-dynamic range images.
Heise online reports that bancrupt company IPIX will sell their patent holding the creation of 360° panoramas. Part of the patent protects undistorting images made with fish-eye lenses. As one commenter remarks this could be an opportunity for the open s
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