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https://issues.apache.org/jira/browse/MXNET-30?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16389124#comment-16389124
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ASF GitHub Bot commented on MXNET-30:
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nihui commented on a change in pull request #9960: [MXNET-30] Add label
augmentation support in image recordio2
URL: https://github.com/apache/incubator-mxnet/pull/9960#discussion_r172752595
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File path: src/io/image_iter_common.h
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@@ -85,6 +85,14 @@ class ImageLabelMap {
CHECK(it != idx2label_.end()) << "fail to find imagelabel for id " << imid;
return mshadow::Tensor<cpu, 1>(it->second, mshadow::Shape1(label_width));
}
+ /*! \brief find a label for corresponding index, return vector as copy */
+ inline std::vector<float> FindCopy(size_t imid) const {
Review comment:
FindCopy is borrowed from the similar existing code [1], so I use FindCopy
for consistency.
But if you do think FindLabel is better, I could update the name, and may
open another PR to update the existing FindCopy code.
please tell me if I need to do this.
[1]
https://github.com/apache/incubator-mxnet/blob/0fe04e9d778ac9c55e933ff3f21c4ddf28a4a101/src/io/iter_image_det_recordio.cc#L116
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> Add label augmentation support in image recordio2
> -------------------------------------------------
>
> Key: MXNET-30
> URL: https://issues.apache.org/jira/browse/MXNET-30
> Project: Apache MXNet
> Issue Type: Improvement
> Components: MXNet Engine
> Reporter: Ni Hui
> Assignee: Chris Olivier
> Priority: Major
> Labels: io
>
> pass the label data to the augmenter implementation so that the label could
> be changed when image transformation applied during augmentation.
> It is useful for regression task such as landmark localization.
>
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