Update SegmentationFreeRecognizer.cpp
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@@ -1,5 +1,5 @@
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//
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// Created by 庾金科 on 28/11/2017.
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// Created by Jack Yu on 28/11/2017.
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//
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#include "../include/SegmentationFreeRecognizer.h"
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@@ -7,28 +7,18 @@ namespace pr {
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SegmentationFreeRecognizer::SegmentationFreeRecognizer(std::string prototxt, std::string caffemodel) {
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net = cv::dnn::readNetFromCaffe(prototxt, caffemodel);
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}
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inline int judgeCharRange(int id)
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{return id<31 || id>63;
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}
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std::pair<std::string,float> decodeResults(cv::Mat code_table,std::vector<std::string> mapping_table,float thres)
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{
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// cv::imshow("imagea",code_table);
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// cv::waitKey(0);
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cv::MatSize mtsize = code_table.size;
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int sequencelength = mtsize[2];
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int labellength = mtsize[1];
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cv::transpose(code_table.reshape(1,1).reshape(1,labellength),code_table);
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std::string name = "";
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std::vector<int> seq(sequencelength);
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std::vector<std::pair<int,float>> seq_decode_res;
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for(int i = 0 ; i < sequencelength; i++) {
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float *fstart = ((float *) (code_table.data) + i * labellength );
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int id = std::max_element(fstart,fstart+labellength) - fstart;
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@@ -36,10 +26,7 @@ namespace pr {
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}
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float sum_confidence = 0;
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int plate_lenghth = 0 ;
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for(int i = 0 ; i< sequencelength ; i++)
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{
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if(seq[i]!=labellength-1 && (i==0 || seq[i]!=seq[i-1]))
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@@ -48,13 +35,9 @@ namespace pr {
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float confidence = *(fstart+seq[i]);
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std::pair<int,float> pair_(seq[i],confidence);
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seq_decode_res.push_back(pair_);
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//
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}
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}
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int i = 0;
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if (seq_decode_res.size()>1 && judgeCharRange(seq_decode_res[0].first) && judgeCharRange(seq_decode_res[1].first))
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{
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i=2;
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@@ -70,16 +53,12 @@ namespace pr {
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sum_confidence +=seq_decode_res[i].second;
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plate_lenghth++;
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}
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std::pair<std::string,float> res;
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res.second = sum_confidence/plate_lenghth;
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res.first = name;
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return res;
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}
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std::string decodeResults(cv::Mat code_table,std::vector<std::string> mapping_table)
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{
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cv::MatSize mtsize = code_table.size;
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@@ -98,21 +77,13 @@ namespace pr {
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if(seq[i]!=labellength-1 && (i==0 || seq[i]!=seq[i-1]))
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name+=mapping_table[seq[i]];
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}
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std::cout<<name;
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return name;
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}
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std::pair<std::string,float> SegmentationFreeRecognizer::SegmentationFreeForSinglePlate(cv::Mat Image,std::vector<std::string> mapping_table) {
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cv::transpose(Image,Image);
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cv::Mat inputBlob = cv::dnn::blobFromImage(Image, 1 / 255.0, cv::Size(40,160));
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net.setInput(inputBlob, "data");
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cv::Mat char_prob_mat = net.forward();
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return decodeResults(char_prob_mat,mapping_table,0.00);
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}
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}
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