why the scale factor is fixed in BinaryDescriptor

asked 2018-07-02 10:00:37 -0500

german_iris gravatar image

updated 2018-07-02 10:01:28 -0500

I find that the scale factor in BinaryDescriptor::detect() is fixed to sqrt(2), which does not depend on the input parameter reductionRatio. But in BinaryDescriptor::compute(), the scale factor becomes not fixed, which equals to reductionRatio. My question is why they are different?

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