detectMarkers crashed python kernel without giving any error information

[HowcanoeWang]

Thanks a lot for providing such a useful tag system!

When I using the python API try to detect some of testing images, one image crashed the python kernel, however, without any bug notification which I could not figuring out the reason.

I have stag-python==1.1.0 installed on a conda enviroment with python==3.9.13, the OS is Windows 11

Here is the error image:

And the python code for reproduce.

import stag
import cv2

code_bit = 11

test_img = cv2.imread("POSITION_20250117_182116.jpg")

(corners, ids, rejected_corners) = stag.detectMarkers(test_img, code_bit)

Can you please kindly check the reason caused this crash, or at least protect not affecting python kernel?

[HowcanoeWang]

PS: After cutting image to range of tag paper only, it does not crash.

And can produce correct tag detection results

[HowcanoeWang]

PPS: removing green ground and chair to pure white also helps to prevent this crash:

Detected results