Added clearance around the border

apps/specular_estimation/src/Charuco.h

@@ -319,9 +319,11 @@ std::vector<cv::Mat> charucoAlignment(std::vector<cv::Mat> materialImages, int n
 		rvecs.push_back(rvec);
 		tvecs.push_back(tvec);
 		int borderWidth = height * 2.0/ySquares;
+		int clearance = borderWidth * 0.1;
 		int windowWidth = height * (ySquares-4.0)/(ySquares-2.0);
 		int windowHeight = height * (ySquares-4.0)/(xSquares-2.0);
-		cv::Rect crop = cv::Rect(borderWidth, borderWidth, windowWidth, windowHeight);
+		//cv::Rect crop = cv::Rect(borderWidth, borderWidth, windowWidth, windowHeight);
+		cv::Rect crop = cv::Rect(borderWidth + clearance, borderWidth + clearance, windowWidth - 2*clearance, windowHeight - 2*clearance);
 
 		//std::cout << "ChArUco board width: " << width << ", ChArUco board height: " << height << ", Border width: " << borderWidth << ", Window width: " << windowWidth << ", Window height: " << windowHeight << std::endl;