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62 lines
1.9 KiB
C++

//
// Created by 庾金科 on 20/09/2017.
//
#include "../include/PlateDetection.h"
#include "util.h"
namespace pr{
PlateDetection::PlateDetection(std::string filename_cascade){
cascade.load(filename_cascade);
};
void PlateDetection::plateDetectionRough(cv::Mat InputImage,std::vector<pr::PlateInfo> &plateInfos,int min_w,int max_w){
cv::Mat processImage;
cv::cvtColor(InputImage,processImage,cv::COLOR_BGR2GRAY);
std::vector<cv::Rect> platesRegions;
// std::vector<PlateInfo> plates;
cv::Size minSize(min_w,min_w/4);
cv::Size maxSize(max_w,max_w/4);
// cv::imshow("input",InputImage);
// cv::waitKey(0);
cascade.detectMultiScale( processImage, platesRegions,
1.1, 3, cv::CASCADE_SCALE_IMAGE,minSize,maxSize);
for(auto plate:platesRegions)
{
// extend rects
// x -= w * 0.14
// w += w * 0.28
// y -= h * 0.6
// h += h * 1.1;
int zeroadd_w = static_cast<int>(plate.width*0.28);
int zeroadd_h = static_cast<int>(plate.height*1.2);
int zeroadd_x = static_cast<int>(plate.width*0.14);
int zeroadd_y = static_cast<int>(plate.height*0.6);
plate.x-=zeroadd_x;
plate.y-=zeroadd_y;
plate.height += zeroadd_h;
plate.width += zeroadd_w;
cv::Mat plateImage = util::cropFromImage(InputImage,plate);
PlateInfo plateInfo(plateImage,plate);
plateInfos.push_back(plateInfo);
}
}
// std::vector<pr::PlateInfo> PlateDetection::plateDetectionRough(cv::Mat InputImage,cv::Rect roi,int min_w,int max_w){
// cv::Mat roi_region = util::cropFromImage(InputImage,roi);
// return plateDetectionRough(roi_region,min_w,max_w);
// }
}//namespace pr