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Features

Provided features

In this framework, we provide an implementations for the class ifeature that are able to read the features produces by two CNN, namely OverFeat (paper) and VGG-16. As a pre-processing step, we extract the features from the nets and store them into the '*.txt' files. The following classes know how to read and binarize certain features:

  • cnn_feature.h reads the OverFeat features and perfoms mid_binarization

  • cnn_feature_mean.h reads the OverFeat features and perfoms mean_binarization

  • vgg_feature.h reads the VGG-16 features and perfoms mid_binarization

  • vgg_feature_mean.h reads the VGG-16 features and perfoms mean_binarization

For details on binarization, check relocalizers.

For details on '.txt' formats check examples.

Your own features

To use your own features, you need to derive a class from ifeature.h. If you want to use relocalizers you should derive from ibinarizable_feature.h.

  1. You should reimplement all virtual functions.
  2. You should update the feature_factory.h to let it know, which type of features to work with. Within the main framework all the feature generations are done through feature_factory.h.