区别

NHWC

[batch, in_height, in_width, in_channels]

NCHW

[batch, in_channels, in_height, in_width]

转换

NHWC –> NCHW:

import tensorflow as tf

x = tf.reshape(tf.range(24), [1, 3, 4, 2])
out = tf.transpose(x, [0, 3, 1, 2])

print x.shape
print out.shape
(1, 3, 4, 2)
(1, 2, 3, 4)

NCHW –> NHWC:

import tensorflow as tf

x = tf.reshape(tf.range(24), [1, 2, 3, 4])
out = tf.transpose(x, [0, 2, 3, 1])

print x.shape
print out.shape
(1, 2, 3, 4)
(1, 3, 4, 2)


GitHub 加速计划 / te / tensorflow
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一个面向所有人的开源机器学习框架
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a49e66f2 PiperOrigin-RevId: 663726708 2 个月前
91dac11a This test overrides disabled_backends, dropping the default value in the process. PiperOrigin-RevId: 663711155 2 个月前
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