cleanup

1 files changed, 0 insertions, 144 deletions

diff --git a/quad-segmentation.cpp b/quad-segmentation.cpp
deleted file mode 100644
index 17428a1..0000000
--- a/quad-segmentation.cpp
+++ /dev/null
@@ -1,144 +0,0 @@
-/**
- * Automatic perspective correction for quadrilateral objects. See the tutorial at
- * http://opencv-code.com/tutorials/automatic-perspective-correction-for-quadrilateral-objects/
- */
-#include <opencv2/imgproc/imgproc.hpp>
-#include <opencv2/highgui/highgui.hpp>
-#include <iostream>
-
-cv::Point2f center(0,0);
-
-cv::Point2f computeIntersect(cv::Vec4i a, 
-                             cv::Vec4i b)
-{
-	int x1 = a[0], y1 = a[1], x2 = a[2], y2 = a[3], x3 = b[0], y3 = b[1], x4 = b[2], y4 = b[3];
-	float denom;
-
-	if (float d = ((float)(x1 - x2) * (y3 - y4)) - ((y1 - y2) * (x3 - x4)))
-	{
-		cv::Point2f pt;
-		pt.x = ((x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4)) / d;
-		pt.y = ((x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4)) / d;
-		return pt;
-	}
-	else
-		return cv::Point2f(-1, -1);
-}
-
-void sortCorners(std::vector<cv::Point2f>& corners, 
-                 cv::Point2f center)
-{
-	std::vector<cv::Point2f> top, bot;
-
-	for (int i = 0; i < corners.size(); i++)
-	{
-		if (corners[i].y < center.y)
-			top.push_back(corners[i]);
-		else
-			bot.push_back(corners[i]);
-	}
-	corners.clear();
-	
-	if (top.size() == 2 && bot.size() == 2){
-		cv::Point2f tl = top[0].x > top[1].x ? top[1] : top[0];
-		cv::Point2f tr = top[0].x > top[1].x ? top[0] : top[1];
-		cv::Point2f bl = bot[0].x > bot[1].x ? bot[1] : bot[0];
-		cv::Point2f br = bot[0].x > bot[1].x ? bot[0] : bot[1];
-	
-		
-		corners.push_back(tl);
-		corners.push_back(tr);
-		corners.push_back(br);
-		corners.push_back(bl);
-	}
-}
-
-int main()
-{
-	cv::Mat src = cv::imread("image.jpg");
-	if (src.empty())
-		return -1;
-
-	cv::Mat bw;
-	cv::cvtColor(src, bw, CV_BGR2GRAY);
-	cv::blur(bw, bw, cv::Size(3, 3));
-	cv::Canny(bw, bw, 100, 100, 3);
-
-	std::vector<cv::Vec4i> lines;
-	cv::HoughLinesP(bw, lines, 1, CV_PI/180, 70, 30, 10);
-
-	// Expand the lines
-	for (int i = 0; i < lines.size(); i++)
-	{
-		cv::Vec4i v = lines[i];
-		lines[i][0] = 0;
-		lines[i][1] = ((float)v[1] - v[3]) / (v[0] - v[2]) * -v[0] + v[1]; 
-		lines[i][2] = src.cols; 
-		lines[i][3] = ((float)v[1] - v[3]) / (v[0] - v[2]) * (src.cols - v[2]) + v[3];
-	}
-	
-	std::vector<cv::Point2f> corners;
-	for (int i = 0; i < lines.size(); i++)
-	{
-		for (int j = i+1; j < lines.size(); j++)
-		{
-			cv::Point2f pt = computeIntersect(lines[i], lines[j]);
-			if (pt.x >= 0 && pt.y >= 0)
-				corners.push_back(pt);
-		}
-	}
-
-	std::vector<cv::Point2f> approx;
-	cv::approxPolyDP(cv::Mat(corners), approx, cv::arcLength(cv::Mat(corners), true) * 0.02, true);
-
-	if (approx.size() != 4)
-	{
-		std::cout << "The object is not quadrilateral!" << std::endl;
-		return -1;
-	}
-	
-	// Get mass center
-	for (int i = 0; i < corners.size(); i++)
-		center += corners[i];
-	center *= (1. / corners.size());
-
-	sortCorners(corners, center);
-	if (corners.size() == 0){
-		std::cout << "The corners were not sorted correctly!" << std::endl;
-		return -1;
-	}
-	cv::Mat dst = src.clone();
-
-	// Draw lines
-	for (int i = 0; i < lines.size(); i++)
-	{
-		cv::Vec4i v = lines[i];
-		cv::line(dst, cv::Point(v[0], v[1]), cv::Point(v[2], v[3]), CV_RGB(0,255,0));
-	}
-
-	// Draw corner points
-	cv::circle(dst, corners[0], 3, CV_RGB(255,0,0), 2);
-	cv::circle(dst, corners[1], 3, CV_RGB(0,255,0), 2);
-	cv::circle(dst, corners[2], 3, CV_RGB(0,0,255), 2);
-	cv::circle(dst, corners[3], 3, CV_RGB(255,255,255), 2);
-
-	// Draw mass center
-	cv::circle(dst, center, 3, CV_RGB(255,255,0), 2);
-
-	cv::Mat quad = cv::Mat::zeros(300, 220, CV_8UC3);
-
-	std::vector<cv::Point2f> quad_pts;
-	quad_pts.push_back(cv::Point2f(0, 0));
-	quad_pts.push_back(cv::Point2f(quad.cols, 0));
-	quad_pts.push_back(cv::Point2f(quad.cols, quad.rows));
-	quad_pts.push_back(cv::Point2f(0, quad.rows));
-
-	cv::Mat transmtx = cv::getPerspectiveTransform(corners, quad_pts);
-	cv::warpPerspective(src, quad, transmtx, quad.size());
-
-	cv::imshow("image", dst);
-	cv::imshow("quadrilateral", quad);
-	cv::waitKey();
-	return 0;
-}
-