In 2010, the OsiriX Team created the company Pixmeo to promote and distribute a special limited version of OsiriX called OsiriX MD. The source is almost entirely in Objective-C. OsiriX source code makes heavy use of Apple idioms such as Cocoa. OsiriX is released under a proprietary license and runs under macOS. OsiriX supports a complete plug-in architecture that allows one to expand the capabilities of OsiriX for personal needs. OsiriX is simultaneously a DICOM PACS workstation for imaging and an image processing software package for research ( radiology and nuclear imaging), functional imaging, 3D imaging, confocal microscopy and molecular imaging. All these modes support 4D data and are able to produce image fusion between two different series (for example: PET-CT). The 3D Viewer offers all modern rendering modes: Multiplanar reconstruction (MPR), Surface Rendering, Volume Rendering and Maximum intensity projection (MIP).

OsiriX has been specifically designed for navigation and visualization of multimodality and multidimensional images: 2D Viewer, 3D Viewer, 4D Viewer (3D series with temporal dimension, for example: Cardiac-CT) and 5D Viewer (3D series with temporal and functional dimensions, for example: Cardiac-PET-CT). In 2010, a version of OsiriX for iPhone and iPod touch was released. OsiriX has been developed by Rosset, working in LaTour Hospital ( Geneva, Switzerland) and Joris Heuberger, a computer scientist from Geneva. The OsiriX project started in 2004 at UCLA with Dr Antoine Rosset and Prof. A demo version, 'OsiriX Lite', still remains available free of charge with some limitations. Its original source code is still available on GitHub. Since 2010, a commercial version of OsiriX, named 'OsiriX MD', is available. OsiriX is able to receive images transferred by DICOM communication protocol from any PACS or medical imaging modality (STORE SCP - Service Class Provider, STORE SCU - Service Class User, and Query/Retrieve). It is fully compliant with the DICOM standard for image communication and image file formats. It can also read many other file formats: TIFF (8,16, 32 bits), JPEG, PDF, AVI, MPEG and QuickTime. OsiriX is complementary to existing viewers, in particular to nuclear medicine viewers. OsiriX is an image processing application for Mac dedicated to DICOM images ('.dcm' / '.DCM' extension) produced by equipment ( MRI, CT, PET, PET-CT. MacOS ( Commercial software), iOS ( commercial software)

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