VOI Based Uniform (GTM)

<< Click to Display Table of Contents >>

Navigation:  Partial-Volume Correction (PVC) > PVC based on Manual and Brain Template VOIs > Results of VOI-based PVC >

VOI Based Uniform (GTM)

In these images, all pixels belonging to a VOI are set to the value obtained as the partial-volume corrected average value of that VOI. Pixels not included in a VOI are set to NaN. The example below illustrates a case with only two manually outlined VOIs, a tumor VOI and an enclosing background VOI.

picture_5045

To obtain the partial-volume corrected VOI averages please open the result images in the VOI tool, load the VOIs employed for the PVC, and calculate the statistics.

Statistics in Step-wise Mode

The step-wise mode has the advantage, that the statistics can directly be calculated with the View Statistics button. For static series, simple VOI statistics will be generated which are shown in a side-by-side manner as illustrated below.

picture_5082

In the case of dynamic series the results are TACs as illustrated below.

picture_5053

The statistic results can be saved as statistics *.voistat file with the Save Statistics button. In alternative, the Before PVC or After PVC content of the page can be Copy to Clipboard and paste in Excel.