having trouble in detecting pattern

Question

having trouble in detecting pattern

andira14 opened this issue 8 years ago · 3 comments

Hi, I'am having trouble detecting the patterns and tweaking the marker settings but I can detect the ball just fine. I've done every instructions needed but then got stuck on the tweaking part. I'm using v4l for the stream. I detected the blob just fine but couldn't get it to show on the graphical client. Sorry, I'm new to this and need some directions. thank you.

Answer 1 · 2016-12-22T09:13:39.000Z

For the robot detection the size of the blobs matter. You see the configuration in your screenshot.
Either you have to change the min/max values of the blobs or you move the camera sufficiently far away from the robot (3.5m is the default).

Answer 2 · 2016-12-22T11:06:05.000Z

okay thank you sir, I haven't tried it yet because I was in a room of 2.5 meters. I'll try it.

Answer 3 · 2016-12-22T11:14:23.000Z

The geometry calibration also needs to be accurate. The pattern matching algorithm using computed physical distances between the dots.

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On Dec 22, 2016, at 6:06 AM, andira14 ***@***.***> wrote: okay thank you sir, I haven't tried it yet because I was in a room of 2.5 meters. I'll try it. — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub, or mute the thread.