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samples: replace regex
- GCC 4.8.5 doesn't support regex
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@ -1,6 +1,5 @@
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#include <iostream>
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#include <fstream>
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#include <regex>
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#include <opencv2/imgproc.hpp>
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#include <opencv2/highgui.hpp>
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@ -24,6 +23,21 @@ std::string keys =
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"{ evalDataPath edp | | Path to benchmarks for evaluation. "
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"Download links are provided in doc/tutorials/dnn/dnn_text_spotting/dnn_text_spotting.markdown}";
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static
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void split(const std::string& s, char delimiter, std::vector<std::string>& elems)
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{
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elems.clear();
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size_t prev_pos = 0;
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size_t pos = 0;
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while ((pos = s.find(delimiter, prev_pos)) != std::string::npos)
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{
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elems.emplace_back(s.substr(prev_pos, pos - prev_pos));
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prev_pos = pos + 1;
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}
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if (prev_pos < s.size())
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elems.emplace_back(s.substr(prev_pos, s.size() - prev_pos));
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}
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int main(int argc, char** argv)
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{
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// Parse arguments
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@ -114,9 +128,9 @@ int main(int argc, char** argv)
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}
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gtLine = gtLine.substr(0, splitLoc);
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std::regex delimiter(",");
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std::vector<String> v(std::sregex_token_iterator(gtLine.begin(), gtLine.end(), delimiter, -1),
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std::sregex_token_iterator());
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std::vector<std::string> v;
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split(gtLine, ',', v);
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std::vector<int> loc;
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std::vector<Point> pts;
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for (auto && s : v) {
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