OpenEXR is a high dynamic-range (HDR) image file format developed by
Industrial Light & Magic (ILM) for use in computer imaging applications. It
supports stereoscopic and deep images. Weta Digital, Walt Disney Animation
Studios, Sony Pictures Imageworks, Pixar Animation Studios, DreamWorks, and
other studios, companies, and individuals have made contributions to the
code base. The file format has seen wide adoption in a number of industries.