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Running FAST segmentation Exception: Not enough classes detected to init KMeans #76

@soichih

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@soichih

Hello. We are running HCPpipeline docker://bids/hcppipelines:v4.1.3-1. When we feed t1w and t2w input file, we run into the following error message.

Fri Feb 18 18:17:36 EST 2022:T2wToT1wReg.sh: START: T2w2T1Reg
Running FAST segmentation
Exception: Not enough classes detected to init KMeans
Image Exception : #63 :: No image files match: /output/sub-NDARINV0LEM88KP/T2w/T2wToT1wReg/T2w2T1w_fast_pve_2
terminate called after throwing an instance of 'std::runtime_error'
  what():  No image files match: /output/sub-NDARINV0LEM88KP/T2w/T2wToT1wReg/T2w2T1w_fast_pve_2
/usr/local/fsl/bin/epi_reg: line 320: 13055 Aborted                 $FSLDIR/bin/fslmaths ${vout}_fast_pve_2 -thr 0.5 -bin ${vout}_fast_wmseg
Image Exception : #63 :: No image files match: /output/sub-NDARINV0LEM88KP/T2w/T2wToT1wReg/T2w2T1w_fast_wmseg
terminate called after throwing an instance of 'std::runtime_error'
  what():  No image files match: /output/sub-NDARINV0LEM88KP/T2w/T2wToT1wReg/T2w2T1w_fast_wmseg
/usr/local/fsl/bin/epi_reg: line 329: 13086 Aborted                 $FSLDIR/bin/fslmaths ${vout}_fast_wmseg -edge -bin -mas ${vout}_fast_wmseg ${vout}_fast_wmedge

I think this means that FAST segmentation is failing to generate the output file T2w2T1w_fast_pve_2 because something is not right with the input files. Is that correct? If so, do you have any suggestion on what we should do to troubleshoot this problem?

We are running the container with the following options

https://github.com/brainlife/app-hcp-pipeline/blob/v4.1.3/main

singularity exec -e \
    -B `pwd`/bids:/bids \
    -B `pwd`/output:/output \
    docker://bids/hcppipelines:v4.1.3-1 \
    ./run.py /bids /output participant \
    --n_cpus 8 \
    --stages $stage \
    --license_key "$FREESURFER_LICENSE" \
    --participant_label $sub \
    --processing_mode $processing_mode \
    $skipbidsvalidation

We are running a slightly modified version of run.py for our jobs and here is the current content > https://github.com/brainlife/app-hcp-pipeline/blob/v4.1.3/run.py

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