76 citations · 257 across the 98 of their papers we have counts for
Showing cs.ITShow all
3 papers · 1 filter
cs.IT2012★ 76 cited
Cross-Entropy Clustering
Przemysław Spurek, Jacek Tabor
We construct a cross-entropy clustering (CEC) theory which finds the optimal number of clusters by automatically removing groups which carry no information. Moreover, our theory gi…
cs.IT2012
The memory centre
Przemysław Spurek, Jacek Tabor
Let be given. As we know the, amount of bits needed to binary code with given accuracy () is approximately $ \m_{h}(x) \approx \log_{2}(\max {1, |\frac{x}{…
cs.IT2011★ 1 cited
k-means Approach to the Karhunen-Loeve Transform
Krzysztof Misztal, Przemyslaw Spurek, Jacek Tabor
We present a simultaneous generalization of the well-known Karhunen-Loeve (PCA) and k-means algorithms. The basic idea lies in approximating the data with k affine subspaces of a g…