ENH: Add chelsea to dataset.

skimage/data/__init__.py

@@ -143,3 +143,17 @@ def immunohistochemistry():
 
     """
     return load("ihc.jpg")
+
+
+def chelsea():
+    """Chelsea the cat.
+
+    An example with texture, prominent edges in horizontal and diagonal
+    directions, as well as features of differing scales.
+
+    Notes
+    -----
+    No copyright restrictions.  CC0 by the photographer (Stefan van der Walt).
+
+    """
+    return load("chelsea.jpg")

skimage/data/tests/test_data.py

@@ -34,11 +34,16 @@ def test_page():
     data.page()
 
 
-def test_page():
+def test_clock():
     """ Test that "clock" image can be loaded. """
     data.clock()
 
 
+def test_chelsea():
+    """ Test that "chelsea" image can be loaded. """
+    data.chelsea()
+
+
 if __name__ == "__main__":
     from numpy.testing import run_module_suite
     run_module_suite()