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【深度学习】NCHW、NHWC和CHWN格式数据的存储形式
2022-06-24 13:00:00 【Jackilina_Stone】
深度学习中的数据一般是4D的,NCHW或NHWC格式。其中:N 代表 Batch,C 代表Channel,H 代表Height,W 代表Width。
虽然逻辑表达上是4维的数据,但是在计算机中存储时都是按照1D来存储的。物理存储:
NCHW是先取W方向数据;然后是H方向;之后是C方向;最后是取N方向的数据。NHWC和CHWN格式以此类推。
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