person-re-ranking/caffe/docs/tutorial/layers/data.md

title
Database Layer

Database Layer

• Layer type: Data
• Doxygen Documentation
• Header: ./include/caffe/layers/data_layer.hpp
• CPU implementation: ./src/caffe/layers/data_layer.cpp

Parameters

• Parameters (DataParameter data_param)
• From ./src/caffe/proto/caffe.proto):

{% highlight Protobuf %} {% include proto/DataParameter.txt %} {% endhighlight %}

• Parameters
  • Required
    • source: the name of the directory containing the database
    • batch_size: the number of inputs to process at one time
  • Optional
    • rand_skip: skip up to this number of inputs at the beginning; useful for asynchronous sgd
    • backend [default LEVELDB]: choose whether to use a LEVELDB or LMDB