.. _example_cluster_plot_face_ward_segmentation.py:


=========================================================================
A demo of structured Ward hierarchical clustering on a raccoon face image
=========================================================================

Compute the segmentation of a 2D image with Ward hierarchical
clustering. The clustering is spatially constrained in order
for each segmented region to be in one piece.



.. image:: images/plot_face_ward_segmentation_001.png
    :align: center


**Script output**::

  Compute structured hierarchical clustering...
  Elapsed time:  0.7552413940429688
  Number of pixels:  7752
  Number of clusters:  15



**Python source code:** :download:`plot_face_ward_segmentation.py <plot_face_ward_segmentation.py>`

.. literalinclude:: plot_face_ward_segmentation.py
    :lines: 10-

**Total running time of the example:**  1.28 seconds
( 0 minutes  1.28 seconds)