Safi Ullah

5 Questions 5 Answers 0 Followers

Questions related from Safi Ullah

How to interpret translate label files generated by mri_vol2label command of Freesurfer?

Hi all, when I execute the command mri_vol2label --c $SUBJECTS_DIR/bert/mri/brainstemSsLabels.v10.mgz --id 173 --l midbrain.label the content of the label file is probably in RAS format. My...

13 April 2020 995 0 View

Where to get PSP&MSA (MRI) Dataset?

I am working on a project related to neuro-degenerative diseases. Can any one guide me toward a PSP&MSA (MRI) Dataset? I searched over the internet but was unable to find. OR if any of you...

13 June 2019 1,669 3 View

How to Find optimal threshould for binary classification from ROC curve?

In a binary classification problem using MLP outputs, I am interested in finding optimal threshold from the ROC curve. While keeping in mind the fact that TPs are only 400 and FPs are 180000. In...

20 September 2014 9,147 10 View

Is there a link between threshold and classifier training error?

If I have 1000 class 'A' and 300 class 'B' samples, and train a network over the data and get a MSE of 30 (the network is trained for specific number of epochs), is there any link between the...

16 January 2013 10,023 16 View

Is there any way to have Subbands with the exact half size of the original after Daubechie wavelet transformation?

I want to apply DWT2 of Matlab with db4-20. What I get is that Subbands are not the exact halves of 2^n image. For example if the image is 1024x1024 then the Subbands are of size 515x515 for db4...

08 October 2012 9,858 3 View