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Diffstat (limited to 'ml/dlib/dlib/image_processing/scan_image_custom.h')
| -rw-r--r-- | ml/dlib/dlib/image_processing/scan_image_custom.h | 401 |
1 files changed, 0 insertions, 401 deletions
diff --git a/ml/dlib/dlib/image_processing/scan_image_custom.h b/ml/dlib/dlib/image_processing/scan_image_custom.h deleted file mode 100644 index 29b969fca..000000000 --- a/ml/dlib/dlib/image_processing/scan_image_custom.h +++ /dev/null @@ -1,401 +0,0 @@ -// Copyright (C) 2013 Davis E. King (davis@dlib.net) -// License: Boost Software License See LICENSE.txt for the full license. -#ifndef DLIB_SCAN_IMAGE_CuSTOM_Hh_ -#define DLIB_SCAN_IMAGE_CuSTOM_Hh_ - -#include "scan_image_custom_abstract.h" -#include "../matrix.h" -#include "../geometry.h" -#include <vector> -#include "../image_processing/full_object_detection.h" - -namespace dlib -{ - -// ---------------------------------------------------------------------------------------- - - template < - typename Feature_extractor_type - > - class scan_image_custom : noncopyable - { - - public: - - typedef matrix<double,0,1> feature_vector_type; - typedef Feature_extractor_type feature_extractor_type; - - scan_image_custom ( - ); - - template < - typename image_type - > - void load ( - const image_type& img - ); - - inline bool is_loaded_with_image ( - ) const; - - inline void copy_configuration( - const feature_extractor_type& fe - ); - - const Feature_extractor_type& get_feature_extractor ( - ) const { return feats; } - - inline void copy_configuration ( - const scan_image_custom& item - ); - - inline long get_num_dimensions ( - ) const; - - void detect ( - const feature_vector_type& w, - std::vector<std::pair<double, rectangle> >& dets, - const double thresh - ) const; - - void get_feature_vector ( - const full_object_detection& obj, - feature_vector_type& psi - ) const; - - full_object_detection get_full_object_detection ( - const rectangle& rect, - const feature_vector_type& w - ) const; - - const rectangle get_best_matching_rect ( - const rectangle& rect - ) const; - - inline unsigned long get_num_detection_templates ( - ) const { return 1; } - - inline unsigned long get_num_movable_components_per_detection_template ( - ) const { return 0; } - - template <typename T> - friend void serialize ( - const scan_image_custom<T>& item, - std::ostream& out - ); - - template <typename T> - friend void deserialize ( - scan_image_custom<T>& item, - std::istream& in - ); - - private: - static bool compare_pair_rect ( - const std::pair<double, rectangle>& a, - const std::pair<double, rectangle>& b - ) - { - return a.first < b.first; - } - - - DLIB_MAKE_HAS_MEMBER_FUNCTION_TEST( - has_compute_object_score, - double, - compute_object_score, - ( const matrix<double,0,1>& w, const rectangle& obj) const - ); - - template <typename fe_type> - typename enable_if<has_compute_object_score<fe_type> >::type compute_all_rect_scores ( - const fe_type& feats, - const feature_vector_type& w, - std::vector<std::pair<double, rectangle> >& dets, - const double thresh - ) const - { - for (unsigned long i = 0; i < search_rects.size(); ++i) - { - const double score = feats.compute_object_score(w, search_rects[i]); - if (score >= thresh) - { - dets.push_back(std::make_pair(score, search_rects[i])); - } - } - } - - template <typename fe_type> - typename disable_if<has_compute_object_score<fe_type> >::type compute_all_rect_scores ( - const fe_type& feats, - const feature_vector_type& w, - std::vector<std::pair<double, rectangle> >& dets, - const double thresh - ) const - { - matrix<double,0,1> psi(w.size()); - psi = 0; - double prev_dot = 0; - for (unsigned long i = 0; i < search_rects.size(); ++i) - { - // Reset these back to zero every so often to avoid the accumulation of - // rounding error. Note that the only reason we do this loop in this - // complex way is to avoid needing to zero the psi vector every iteration. - if ((i%500) == 499) - { - psi = 0; - prev_dot = 0; - } - - feats.get_feature_vector(search_rects[i], psi); - const double cur_dot = dot(psi, w); - const double score = cur_dot - prev_dot; - if (score >= thresh) - { - dets.push_back(std::make_pair(score, search_rects[i])); - } - prev_dot = cur_dot; - } - } - - - feature_extractor_type feats; - std::vector<rectangle> search_rects; - bool loaded_with_image; - }; - -// ---------------------------------------------------------------------------------------- - - template <typename T> - void serialize ( - const scan_image_custom<T>& item, - std::ostream& out - ) - { - int version = 1; - serialize(version, out); - serialize(item.feats, out); - serialize(item.search_rects, out); - serialize(item.loaded_with_image, out); - serialize(item.get_num_dimensions(), out); - } - -// ---------------------------------------------------------------------------------------- - - template <typename T> - void deserialize ( - scan_image_custom<T>& item, - std::istream& in - ) - { - int version = 0; - deserialize(version, in); - if (version != 1) - throw serialization_error("Unsupported version found when deserializing a scan_image_custom object."); - - deserialize(item.feats, in); - deserialize(item.search_rects, in); - deserialize(item.loaded_with_image, in); - - // When developing some feature extractor, it's easy to accidentally change its - // number of dimensions and then try to deserialize data from an older version of - // your extractor into the current code. This check is here to catch that kind of - // user error. - long dims; - deserialize(dims, in); - if (item.get_num_dimensions() != dims) - throw serialization_error("Number of dimensions in serialized scan_image_custom doesn't match the expected number."); - } - -// ---------------------------------------------------------------------------------------- -// ---------------------------------------------------------------------------------------- -// scan_image_custom member functions -// ---------------------------------------------------------------------------------------- -// ---------------------------------------------------------------------------------------- - - template < - typename Feature_extractor_type - > - scan_image_custom<Feature_extractor_type>:: - scan_image_custom ( - ) : - loaded_with_image(false) - { - } - -// ---------------------------------------------------------------------------------------- - - template < - typename Feature_extractor_type - > - template < - typename image_type - > - void scan_image_custom<Feature_extractor_type>:: - load ( - const image_type& img - ) - { - feats.load(img, search_rects); - loaded_with_image = true; - } - -// ---------------------------------------------------------------------------------------- - - template < - typename Feature_extractor_type - > - bool scan_image_custom<Feature_extractor_type>:: - is_loaded_with_image ( - ) const - { - return loaded_with_image; - } - -// ---------------------------------------------------------------------------------------- - - template < - typename Feature_extractor_type - > - void scan_image_custom<Feature_extractor_type>:: - copy_configuration( - const feature_extractor_type& fe - ) - { - feats.copy_configuration(fe); - } - -// ---------------------------------------------------------------------------------------- - - template < - typename Feature_extractor_type - > - void scan_image_custom<Feature_extractor_type>:: - copy_configuration ( - const scan_image_custom& item - ) - { - feats.copy_configuration(item.feats); - } - -// ---------------------------------------------------------------------------------------- - - template < - typename Feature_extractor_type - > - long scan_image_custom<Feature_extractor_type>:: - get_num_dimensions ( - ) const - { - return feats.get_num_dimensions(); - } - -// ---------------------------------------------------------------------------------------- - - template < - typename Feature_extractor_type - > - void scan_image_custom<Feature_extractor_type>:: - detect ( - const feature_vector_type& w, - std::vector<std::pair<double, rectangle> >& dets, - const double thresh - ) const - { - // make sure requires clause is not broken - DLIB_ASSERT(is_loaded_with_image() && - w.size() >= get_num_dimensions(), - "\t void scan_image_custom::detect()" - << "\n\t Invalid inputs were given to this function " - << "\n\t is_loaded_with_image(): " << is_loaded_with_image() - << "\n\t w.size(): " << w.size() - << "\n\t get_num_dimensions(): " << get_num_dimensions() - << "\n\t this: " << this - ); - - dets.clear(); - compute_all_rect_scores(feats, w,dets,thresh); - std::sort(dets.rbegin(), dets.rend(), compare_pair_rect); - } - -// ---------------------------------------------------------------------------------------- - - template < - typename Feature_extractor_type - > - const rectangle scan_image_custom<Feature_extractor_type>:: - get_best_matching_rect ( - const rectangle& rect - ) const - { - // make sure requires clause is not broken - DLIB_ASSERT(is_loaded_with_image(), - "\t const rectangle scan_image_custom::get_best_matching_rect()" - << "\n\t Invalid inputs were given to this function " - << "\n\t is_loaded_with_image(): " << is_loaded_with_image() - << "\n\t this: " << this - ); - - - double best_score = -1; - rectangle best_rect; - for (unsigned long i = 0; i < search_rects.size(); ++i) - { - const double score = (rect.intersect(search_rects[i])).area()/(double)(rect+search_rects[i]).area(); - if (score > best_score) - { - best_score = score; - best_rect = search_rects[i]; - } - } - return best_rect; - } - -// ---------------------------------------------------------------------------------------- - - template < - typename Feature_extractor_type - > - full_object_detection scan_image_custom<Feature_extractor_type>:: - get_full_object_detection ( - const rectangle& rect, - const feature_vector_type& /*w*/ - ) const - { - return full_object_detection(rect); - } - -// ---------------------------------------------------------------------------------------- - - template < - typename Feature_extractor_type - > - void scan_image_custom<Feature_extractor_type>:: - get_feature_vector ( - const full_object_detection& obj, - feature_vector_type& psi - ) const - { - // make sure requires clause is not broken - DLIB_ASSERT(is_loaded_with_image() && - psi.size() >= get_num_dimensions() && - obj.num_parts() == 0, - "\t void scan_image_custom::get_feature_vector()" - << "\n\t Invalid inputs were given to this function " - << "\n\t is_loaded_with_image(): " << is_loaded_with_image() - << "\n\t psi.size(): " << psi.size() - << "\n\t get_num_dimensions(): " << get_num_dimensions() - << "\n\t obj.num_parts(): " << obj.num_parts() - << "\n\t this: " << this - ); - - - feats.get_feature_vector(get_best_matching_rect(obj.get_rect()), psi); - } - -// ---------------------------------------------------------------------------------------- - -} - -#endif // DLIB_SCAN_IMAGE_CuSTOM_Hh_ - |