[GitHub] chinakook commented on issue #7469: Do we need to subtract mean pixel values when extracting cnn feautre

[gi...@git.apache.org]

chinakook commented on issue #7469: Do we need to subtract mean pixel values when extracting cnn feautre
URL: https://github.com/apache/incubator-mxnet/issues/7469#issuecomment-323522764
 
 
   If the model have used batch normalization following the data layer(data batch normalization), you can ignore the mean pixel values and additional std scale sometimes. However, if the batch normalization have used after some layers except data layer, you should subtract the mean values and multiply a std scale sometimes.
 
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