Correlation filter and convolution filter

   昨天,在valse群上听 Dr Naiyan Wang将CNN做tracking,在结尾部分,作者提出可以用correlation filter代替convolution filter。我很curious 这个correlation filter,发现PAMI已经有paper了。下面是几个比较有用的link:

http://home.isr.uc.pt/~henriques/circulant/

http://www.cs.cmu.edu/~vboddeti/correlation-filters.html

www.cs.umd.edu/~djacobs/CMSC426/Convolution.pdf

最近准备好好研究一下,毕竟correlation 和convolution是signal processing中的basic operation,而CNN中convolution是基本的structure。

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