CBFRelative (Preclinical)
=========================

**Purpose.** Relative CBF (%) map: ``|ImageDif| / Mat0 * 100``.

Context I/O
-----------

- **Reads:** ``ImageDif`` (X,Y,Z), ``Mat0`` (X,Y,Z), ``savedir``
- **Writes:** ``relCBF``; also saves ``relCBF.npy`` and a mosaic ``relCBF.png``.

Parameters
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=================  ===================  ==========================================
Key                Type / Default       Meaning
=================  ===================  ==========================================
``vmax``           float / ``10.0``     Display upper bound for mosaic (percent)
=================  ===================  ==========================================

YAML example
------------

.. code-block:: yaml

    modules:
      - name: CBFRelative
        params:
          vmax: 15.0