3mm Stack-of-Spiral fMRI

Note

Authors: None Description: This is the configuration used for the scenario 2 of the SNAKE Paper

defaults:
  - base_config
  - handlers:
    - activation-block
  - sampler:
    - stack-of-spiral
  - reconstructors:
      # - adjoint
      - sequential
  - _self_

cache_dir: ${oc.env:PWD}/cache
result_dir: results/scenario2
filename:  ${cache_dir}/scenario2_${engine.model}_${engine.snr}_${sampler.stack-of-spiral.constant}_${sampler.stack-of-spiral.accelz}.mrd

sim_conf:
  max_sim_time: 300
  seq: {TR: 50, TE: 25,  FA: 12}
  hardware:
    n_coils: 8
    dwell_time_ms: 0.001
  shape: [60, 72, 60]
  fov_mm: [181.0, 217.0, 181.0]

phantom:
  name: brainweb
  sub_id: 5
  tissue_file: "tissue_7T"

handlers:
  activation-block:
    event_name: block_on
    block_on: 20 # seconds
    block_off: 20 #seconds
    duration: 300 # seconds
    delta_r2s: 1000 # millisecond^-1

sampler:
  stack-of-spiral:
    acsz: 0.1
    accelz: 4
    nb_revolutions: 12
    constant: true

engine:
  n_jobs: 5
  chunk_size: 180
  model: "simple"
  snr: 10000
  nufft_backend: "stacked-gpunufft"
reconstructors:
  # adjoint:
  #   nufft_backend: "stacked-gpunufft"
  #   density_compensation: "pipe"
  sequential:
    nufft_backend: "stacked-gpunufft"
    density_compensation: false
    restart_strategy: WARM
    max_iter_per_frame: 50
    wavelet: "sym4"





hydra:
  job:
    chdir: true

  run:
    dir: ${result_dir}/outputs/${hydra.job.name}/${now:%Y-%m-%d_%H-%M-%S}
  sweep:
    dir: ${result_dir}/multirun/${hydra.job.name}/${now:%Y-%m-%d_%H-%M-%S}
    subdir: ${hydra.job.num}

  callbacks:
    # gather_files:
    #   _target_: hydra_callbacks.MultiRunGatherer
    #   aggregator:
    #     _partial_: true
    #     _target_: snkf.cli.utils.aggregate_results

    log_job:
      _target_: hydra.experimental.callbacks.LogJobReturnCallback
    latest_run:
      _target_: hydra_callbacks.LatestRunLink
      run_base_dir:  ${result_dir}/outputs
      multirun_base_dir:  ${result_dir}/multirun