Blue Magnet

Acquiring information from a sequence of MRI images is done by applying statistical techniques that assume the location of a given voxel within the brain does not change. However, there is often some subject motion during the data acquisition, which results in reduced image quality. The purpose of this study was to evaluate the feasibility of using the Microsoft Kinect in an MRI environment for motion correction.

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The image below shows the shielding that was designed and constructed to prevent interference during data acquisition. The shielding is cut from aluminium sheets with waveguides specifically designed to allow for the emission and detection of the Infrared light.

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A bespoke interface was designed and built which enabled the Microsoft Kinect to communicate with the scanner.

The motion information enabled the scanner to dynamically alter its frame of reference which resulted in a dramatic improvement in image quality.