Analyze is a software package developed by the Biomedical Imaging Resource (BIR) at Mayo Clinic

Mayo Clinic

Mayo Clinic is a not-for-profit medical practice and medical research group specializing in treating difficult patients . Patients are referred to Mayo Clinic from across the U.S. and the world, and it is known for innovative and effective treatments. Mayo Clinic is known for being at the top of...

 for multi-dimensional display, processing, and measurement of multi-modality biomedical images. It is a commercial program and is used for medical tomographic scans from magnetic resonance imaging

Magnetic resonance imaging

Magnetic resonance imaging , nuclear magnetic resonance imaging , or magnetic resonance tomography is a medical imaging technique used in radiology to visualize detailed internal structures...

, computed tomography

Computed tomography

X-ray computed tomography or Computer tomography , is a medical imaging method employing tomography created by computer processing...

 and positron emission tomography

Positron emission tomography

Positron emission tomography is nuclear medicine imaging technique that produces a three-dimensional image or picture of functional processes in the body. The system detects pairs of gamma rays emitted indirectly by a positron-emitting radionuclide , which is introduced into the body on a...

.

The Analyze 7.5 file format has been widely used in the functional neuroimaging

Functional neuroimaging

Functional neuroimaging is the use of neuroimaging technology to measure an aspect of brain function, often with a view to understanding the relationship between activity in certain brain areas and specific mental functions...

 field, and other programs such as SPM

Statistical parametric mapping

Statistical parametric mapping or SPM is a statistical technique created by Karl Friston for examining differences in brain activity recorded during functional neuroimaging experiments using neuroimaging technologies such as fMRI or PET...

, FreeSurfer

FreeSurfer

FreeSurfer is an MRI brain imaging software package developed by the Athinoula A. Martinos Center for Biomedical Imaging at Massachusetts General Hospital. It is an important tool in functional brain mapping and facilitates the visualization of the functional regions of the highly-folded cerebral...

, AIR

AIR (program)

AIR is a program suite for volume-based image registration constructed by Roger P. Woods from UCLA School of Medicine....

, MRIcro and Mango

Mango (software)

Mango, the machine-to-machine domotics software, is at Mango Mango is a non-commercial software for viewing, editing and analyzing volumetric medical images. Mango is written in Java, and distributed freely in precompiled versions for Linux, Mac OS and Microsoft Windows...

 are able to read and write the format. The files can be used to store voxel

Voxel

A voxel is a volume element, representing a value on a regular grid in three dimensional space. This is analogous to a pixel, which represents 2D image data in a bitmap...

-based volumes. One data item consists of two files: One file with the actual data in a binary format with the filename extension

Filename extension

A filename extension is a suffix to the name of a computer file applied to indicate the encoding of its contents or usage....

 .img and another file (header with filename extension .hdr) with information about the data such as voxel size and number of voxel in each dimension. SPM has defined changes to this format, among other things the voxel ordering within the file.

External links

• AnalyzeDirect - homepage for Analyze.
• Biomedical Imaging Resource - Mayo Clinic.
• Graham Wideman, Mayo/SPM "Analyze" Format Spec Compilation. Explains voxel ordering.