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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2018/01/10 03:12:36 UTC

[GitHub] jiarenyf opened a new issue #9368: MultiBoxTarget +1 to label automatically is so strange ...

jiarenyf opened a new issue #9368: MultiBoxTarget +1 to label automatically is so strange ...
URL: https://github.com/apache/incubator-mxnet/issues/9368
 
 
   I wonder in https://github.com/apache/incubator-mxnet/blob/492a5fde03418ae31b64d9866ca6a7a5c72388d3/src/operator/contrib/multibox_target.cc#L259, why plus 1 to the target clsID in the code ? Shouldn't we manually add 1 when preparing label (assume 0 is for background) ? Why the code does this job automatically ?
   So we should set the positive label start from 0 the preparing data, and then when calculating class_loss, we should manually add 1 to label before making loss with the target_cls for the above link ? It is so strange ...
   
   Thanks for your help ...

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