squidszyd commented on issue #8531: How to get the correlation result of two feature maps? URL: https://github.com/apache/incubator-mxnet/issues/8531#issuecomment-341863402 @zhreshold By correlation, I mean F2 acts like a correlation kernel (or convolution kernel) that slides on F1. For example, ``` 1 1 1 2 2 F1 = 2 3 4 1 1 0 0 0 2 3 0 1 0 F2 = 1 0 1 0 1 0 ``` Then, the correlation result should be ``` R = F1 * F2 = 7 5 9 ``` where ``` 7 = 1 + 2 + 4 + 0 5 = 1 + 3 + 1 + 0 9 = 2 + 4 + 1 + 2 ``` In the above example, stride = 1, pad = 0, dilate = 0, thus there are three correlation position at F1
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