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fix load too slow bug #68

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fix load too slow bug #68

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19 changes: 10 additions & 9 deletions include/DBoW2/TemplatedVocabulary.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1472,13 +1472,13 @@ void TemplatedVocabulary<TDescriptor,F>::load(const cv::FileStorage &fs,

m_nodes.resize(fn.size() + 1); // +1 to include root
m_nodes[0].id = 0;

for(unsigned int i = 0; i < fn.size(); ++i)
cv::FileNodeIterator end = fn.end();
for(cv::FileNodeIterator it = fn.begin(); it < end; ++it)
{
NodeId nid = (int)fn[i]["nodeId"];
NodeId pid = (int)fn[i]["parentId"];
WordValue weight = (WordValue)fn[i]["weight"];
std::string d = (std::string)fn[i]["descriptor"];
NodeId nid = (int)(*it)["nodeId"];
NodeId pid = (int)(*it)["parentId"];
WordValue weight = (WordValue)(*it)["weight"];
std::string d = (std::string)(*it)["descriptor"];

m_nodes[nid].id = nid;
m_nodes[nid].parent = pid;
Expand All @@ -1492,11 +1492,12 @@ void TemplatedVocabulary<TDescriptor,F>::load(const cv::FileStorage &fs,
fn = fvoc["words"];

m_words.resize(fn.size());
end = fn.end();

for(unsigned int i = 0; i < fn.size(); ++i)
for(cv::FileNodeIterator it = fn.begin(); it < end; ++it)
{
NodeId wid = (int)fn[i]["wordId"];
NodeId nid = (int)fn[i]["nodeId"];
NodeId wid = (int)(*it)["wordId"];
NodeId nid = (int)(*it)["nodeId"];

m_nodes[nid].word_id = wid;
m_words[wid] = &m_nodes[nid];
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