Mean shift clustering, for one. This short PDF provides better insight than wikipedia. Does NOT require you to specify the number of clusters like in K-means:

Mean shift clustering, for one. This short PDF provides better insight than wikipedia. Does NOT require you to specify the number of clusters like in K-means: http://homepages.inf.ed.ac.uk/rbf/CVonline/LOCAL_COPIES/TUZEL1/MeanShift.pdf http://homepages.inf.ed.ac.uk/rbf/CVonline/LOCAL_COPIES/TUZE... http://en.wikipedia.org/wiki/Mean-shift http://en.wikipedia.org/wiki/Mean-shift Example python code using scikit-learn: http://scikit-learn.org/stable/auto_examples/cluster/plot_mean_shift.html http://scikit-learn.org/stable/auto_examples/cluster/plot_me...