stack_greedy: Paul's histology stack to MRI registration implementation
Usage:
  stack_greedy [options] <command> [cmd_options] <project_dir>
Commands:
  init               : Initialize project directory
  recon              : Initially reconstruct slice stack without using 3D volume
  volmatch           : Initially match slice stack to the 3D volume
  voladd             : Add another 3D volume to the project (optional step)
  voliter            : Iteratively match slice stack to the 3D volume
  splat              : Output a 3D volume from slices for any given stage
  help               : Help for any particular command
Common Options
  -N                 : Skip steps when outputs are already present
  -debug             : Save intermediate outputs to /tmp directory
