How about using sigmoid instead of softmax when generating the low-passing filter

[ydhong_hit]

How about using sigmoid instead of softmax when generating the low-passing filter? Did you conduct the comparison experiments? I understand that all the kernels should be positive. But is it necessary to make the sum equal one?

[Yuning Cui]

How about using sigmoid instead of softmax when generating the low-passing filter? Did you conduct the comparison experiments? I understand that all the kernels should be positive. But is it necessary to make the sum equal one?

Hello, ydhongHIT.
Have you performed the experiment with sigmoid?