Kernel Density Estimation

Fast & Accurate Approximate KDE?

Box Filter

Box Filter

Approximate Gaussian filter via iterated uniform filters

Box Filter Quantization Error

Box Filter Quantization Error

Extended Box Filter

Extended Box Filter

Gwosdek et al. ‘11

Deriche's Approximation

Deriche's Approximation

Impulse Test

Impulse Test

Measuring Error

Palmer Penguins

Palmer Penguins

Error - Simple binning, 256 bins

2D Density Estimation

2D Density Estimation

Error - Simple binning, 256 x 256 bins

Fast & Accurate Gaussian Kernel Density Estimation

By: Jeffrey Heer

1 / 0