onomatet opened a new issue #15421: [Feature request] Add a support of 16 bit integer data via recordIO iterator URL: https://github.com/apache/incubator-mxnet/issues/15421 Complete information on the motivation for this feature request and further details are given in this post: https://discuss.mxnet.io/t/limited-bit-depth-of-the-recordio-iterator/4245 Shortly: in medical imaging 12-16 bit gray scale images are commonly used. It is possible to pack them into .rec file as 16 bit PNGs. ImageRecordIter converts them into 8 bit format internally causing information loss. Therefore, it seems natural that ImageRecordIter should support 16 bit data handling by preserving the original data bit-depth or by explicit bit-depth specification. At least it would be extremely helpful for the medical imaging applications.
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