scikit-image/scikit-image — pull request #764 by jni (2013-10-09 07:45:12+00:00)
Title: Update join_segmentation example for float images

As noted by @kemaleren in #761, in Python 3.x, `data.coins()` is read as a `float32` image, leading the watershed segmentation to fail trivially in this example because no foreground markers are found. This PR fixes that.