diff --git a/ar_tag_pose/detector_board_main.py b/ar_tag_pose/detector_board_main.py
index 0b65ae1..b164624 100644
--- a/ar_tag_pose/detector_board_main.py
+++ b/ar_tag_pose/detector_board_main.py
@@ -181,7 +181,8 @@ class Detector(abc.ABC):
 			y_pos = 30
 			for det in self.detector:
 				success, r_vec, t_vec = det.process(img, True, False, False, pose_center)
-				img_scaled = cv.resize(img, dsize=None, fx=0.25, fy=0.25)
+				k = 720/img.shape[1]
+				img_scaled = cv.resize(img, dsize=None, fx=k, fy=k)
 				if success:
 					if len(self.rotation_order) == 3:
 						rot = to_euler(to_tf(r_vec, t_vec), rotation_order=self.rotation_order)