Thank you for your reply, @Ethan-TP. The current firmware of the camera is 2.0.2 Build 241028 Rel. 58872n. I just updated to 2.1.0 Build 250701 Rel. 46003n. Let's see if this update includes better human detection. I confirm that the constant alarm triggers only happen at night and never during the day. During the day, the spider web isn't visible on the camera, whereas they are, at night, as seen above on the screenshots. Yes, I use a VIGI NVR1004H-4P to manage the camera events.

Hello,  @Ethan-TP , I followed your directions and disabled Human Detection and enabled Motion Detection, with under the Smart Detection settings for that Motion Detection event, I checked the Human Detection option. The algorithm still failed to analyze properly what is a human and what isn't, at night. Here's a downloadable zip file of the false-positive videos and the screenshots of my VIGI settings so you can forward to the team in charge of the algorithm used in the VIGI cameras: 

www [.] swisstransfer [.] com/d/afc36b4f-a37a-4aed-ada3-f9c954539c0c

Thank you.

  @calande Get a sweeping brush and remove the webs, I think you can get a spider spray to keep spiders away but not sure if it works or not

  @calande I know the feeling, it's a battle to keep the spiders away. Just looking at the night images the IR is reflecting off the webs and messing up the image.

What I have done in the past is install an IR light near the camera and turn off the IR on the camera itself, this helps with bugs triggering false alerts