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Belongie \"\n+    title:   \"Kernel pooling for Convolutional Neural Network\"\n+    venue:   \"CVPR 2017\"\n+pdf: \"https://vision.cornell.edu/se3/wp-content/uploads/2017/04/cui2017cvpr.pdf\"\n+---\n+\n+# Idea\n+  'Feature pooling' means encoding and aggregating feature maps to obtain higher-order and non linear feature interactions between features (ex : add x1x2 to [x1,x2] as a new feature), and 'kernel pooling' implies to learn from the data which kernels would be best by using a differentiable approximated representation to learn the kernels' parameters.\n+   \n+# Method\n+  Learn parameters of Taylor series kernels approximating gaussian RBF kernels\n+  \n+  The p-level tensor product is the pth order polynomial kernel and the Taylor series kernel is the sum of the polynomial kernel multiplied by factors from 1 up to p.\n+\tIts standard form is hardly applicable due to memory limitations => compact form with Count Sketch kernel approximation (TensorSketch): unbiased approximation\n+\t\n+! p=4 is enough to approximate a gaussian kernel and other decomposable kernels could be approximated (especially by learning coefficients) 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