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// Copyright (C) 2011 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#undef DLIB_IMAGE_FEATURE_SaMPLING_ABSTRACT_Hh_
#ifdef DLIB_IMAGE_FEATURE_SaMPLING_ABSTRACT_Hh_
#include "random_subset_selector_abstract.h"
namespace dlib
{
// ----------------------------------------------------------------------------------------
template <
typename image_array_type,
typename feature_extractor_type,
typename pyramid_type
>
random_subset_selector<typename feature_extractor_type::descriptor_type> randomly_sample_image_features (
const image_array_type& images,
const pyramid_type& pyr,
const feature_extractor_type& fe,
unsigned long num
);
/*!
requires
- pyramid_type == a type compatible with the image pyramid objects defined
in dlib/image_transforms/image_pyramid_abstract.h
- feature_extractor_type == a local image feature extractor type such as the
dlib::hog_image
- image_array_type == an implementation of dlib/array/array_kernel_abstract.h
and it must contain image objects which can be passed to pyr() and fe.load()
and are swappable by global swap().
ensures
- creates an image pyramid for each image in images and performs feature
extraction on each pyramid level. Then selects a random subsample of at
most num local feature vectors and returns it.
!*/
// ----------------------------------------------------------------------------------------
}
#endif // DLIB_IMAGE_FEATURE_SaMPLING_ABSTRACT_Hh_
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