[Bug] Input file isinvalid in function 'open'

This is an error report.


Screenshot of the error


Error details

Hi I am doing the Human Interaction Robot Class of ROS2 perception module. But the face detection and eye detection programs issue this error. Scrolling up, it appears:

Input file isinvalid in function 'open'

In the OpenCV lines.

Please any ideas?

My best,

Hi
I solved the problem, it is better download the files directly from the GITHUB of OpenCV, not using the links in the Construct (sorry for that). At least my browser interprets the content as HTML, but it is a XML file. Then, the cascade filters cannot run.

My best,

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