Comments (2)
The first and second normalization are before and after computing euclidean distance, respectively. The second one is described in Equation (1) of the paper. The first one is added by myself -- I once found large euclidean distance caused saturation after Equation (1) and the gradient is tooooooo small to move the model forward. So I add L2 normalization before computing euclidean distance. However, distance of two unit-length vectors falls in range [0, 2], thus after Equation (1), the distance is in range [0, 0.76]. The necessity of the first normalization should be further verified by experiment.
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@huanghoujing Thanks for your reply and looking forward for your results.
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Related Issues (20)
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