warpAffine+RotateRect 水平校正

using namespace std;
using namespace cv;

int main()
{
vector src_paths;
glob(src_path, src_paths);

for (size_t m = 0; m < src_paths.size(); m++) { Mat src = imread(src_paths[m], 1); Mat dst; if (src.type() == CV_8UC1) cvtColor(src, dst, COLOR_GRAY2BGR); else { dst = src.clone(); cvtColor(src, src, COLOR_BGR2GRAY); } threshold(src, src, 90, 255,THRESH_BINARY); vector> contours;
findContours(src, contours, RETR_EXT

warpAffine+RotateRect 水平校正最先出现在Python成神之路。