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RandomForest.h

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00001 #ifndef Impala_Core_Feature_RandomForest_h
00002 #define Impala_Core_Feature_RandomForest_h
00003 
00004 #include "Core/Feature/RandomTree.h"
00005 
00006 namespace Impala
00007 {
00008 namespace Core
00009 {
00010 namespace Feature
00011 {
00012 
00013 typedef std::vector<RandomTree*> RandomForest;
00014 
00015 RandomForest
00016 ReadRandomForest(RandomTreeTable* table)
00017 {
00018     std::vector<RandomTree*> forest;
00019     int index=0;
00020     while(index < table->Size())
00021         forest.push_back(Read(table, index));
00022     return forest;
00023 }
00024 
00025 RandomForest
00026 ReadRandomForest(FeatureTable* table)
00027 {
00028     RandomTreeTable* tt = MakeRandomTreeTable(table);
00029     std::vector<RandomTree*> forest = ReadRandomForest(tt);
00030     delete tt;
00031     return forest;
00032 }
00033 
00034 int
00035 GetCodebookLength(FeatureTable* table)
00036 {
00037     //find the last codeword and add 1
00038     return static_cast<int>(table->Get1(table->Size() - 1)) + 1;
00039 }
00042 void
00043 DeleteForest(RandomForest forest)
00044 {
00045     for(int i=0 ; i<forest.size() ; ++i)
00046         delete forest[i];
00047     forest.clear();
00048 }
00049 
00050 } // namespace
00051 } // namespace
00052 } // namespace
00053 
00054 #endif

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