Relaxo LNI Introduction
Relaxo LNI is a user-friendly tool developed by the Neuroimaging Lab (Unicamp) to perform the T2-multi-echoes relaxometry analysis. The software process T2- multi-echoes Dicom images, estimating a whole-brain T2 map, besides to enables manual segmentation of sub-regions. The user can add a T1WI to register with the T2 and draw ROIs using one of the options for background: T2 (any echo), T1WI( if added), T2 with inverted contrast, or T2 quantified map.
The software exports a quantitative table of the segmented area (*.xlsx format) and also the quantified maps a drawn ROIs.
Relaxo LNI Team
Brunno M. de Campos, Ph.D.
Raphael F Casseb, Ph.D; Fernando Cendes, MD, Ph.D.
Relaxo LNI Requirement
MS Windows operating system
Relaxo LNI has currently the following functionalities:
Open raw DICOM multi-echoes T2 images
Whole-brain T2 estimation (exportable image in NIfTI)
Manual segmentation using free-hand or circular ROI tools (ROIs exportable in NIfTI)
Multiple visualization options: raw T2 (any echo), T2 with inverted contrast (make the T2 similar to a T1WI), quantified T2, and registered T1 (the tool performs the affine registration automatically)
You can draw your ROIs in several slices, creating a volume of interest (VOI). After drawing, you decide which ROI (slice) will be "captured" for the report, quantifications, and exportable NIfTI outputs.
You will always have available the ROI intensities histogram (considering the background image, whatever you choose). This provides information that enables ROIs uniformity during the drawing procedure.
During the drawing procedure, the tool provides the T2 value, all ROI echoes values, and the relaxation plot in REAL-TIME!
Relaxo LNI Interface and output examples:
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