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动态卷积的本质
2022-07-28 05:17:00 【一知半解百晓生】
动态卷积的参数量会成倍数增加,而计算量会增加的比较少
计算量主要是在 W x + b Wx+b Wx+b,对于卷积W是 3 × 3 3\times3 3×3的卷积核通过步长stride通过 H , W H,W H,W的特征图时,产生了大量的计算量。
对于动态卷积 K K K个核的话,主要是参数量增加了,但是计算量增加的非常少,因为K个不同参数的 W W W加权聚合的计算量与核的大小有关,然而通常卷积核的大小主要是 3 × 3 3\times3 3×3所以产生的计算代价很小。
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