[jira] [Commented] (SINGA-200) Implement Encoder and Decoder for data pre-processing

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SINGA-200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15346440#comment-15346440 ] 

ASF subversion and git services commented on SINGA-200:
-------------------------------------------------------

Commit 13d60b034fe0b08f2fe128a8ad575d72e68001ea in incubator-singa's branch refs/heads/dev from jixin
[ https://git-wip-us.apache.org/repos/asf?p=incubator-singa.git;h=13d60b0 ]

SINGA-200 - Implement Encoder and Decoder for data pre-processing

Add base class Encoder and Decoder.

Add inheritance class Image2JPG_Encoder and Image2JPG_Decoder, which uses opencv to encode and decode image source files.

Add test which contains partial pre-processing procedures (read_raw_image, encode, decode) for images.

Reader and Writer, which uses user specified offline store mechanisms (i.e., kvfile, lmdb, ...), are not implemented in this ticket.

Use random value initialized image for test.

Add derived encoder/decoder class definition in its base class head file (decoder.h/encoder.h).


> Implement Encoder and Decoder for data pre-processing
> -----------------------------------------------------
>
>                 Key: SINGA-200
>                 URL: https://issues.apache.org/jira/browse/SINGA-200
>             Project: Singa
>          Issue Type: New Feature
>            Reporter: Xin Ji
>
> Encoder reads raw data and parses them to (key, value) strings.
> Decoder reads from (key, value) strings and parses them to data and labels of Tensor type.



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