OpenCV implements oblique text correction

Reprint: OpenCV Realizes Slanted Text Correction_C Language_Script House This article mainly introduces OpenCV to realize slanted text correction in detail. The sample code in the article is very detailed and has certain reference value. Interested friends can Refer to https://www.jb51.net/article/257488.htm

 

 

#include <iostream>
#include <opencv2/opencv.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/calib3d.hpp>

using namespace std;
using namespace cv;

// Define Mat
Mat src, gray_src, dst;
const char *IWindow = "InputWindow";
const char *OWindow = "OutputWindow";
int canny_threshold = 100;
int thresho