# A Linear Approximation to the chi^2 Kernel with Geometric Convergence

18 Jun 2012Fuxin LiGuy LebanonCristian Sminchisescu

We propose a new analytical approximation to the $\chi^2$ kernel that converges geometrically. The analytical approximation is derived with elementary methods and adapts to the input distribution for optimal convergence rate... (read more)

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