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Detecting a laser at a distance

Hello,
I’m trying to get my Pixy to track a red laser and I’m having some trouble getting it to track it from any significant distance. I lowered the brightness and taught the pixy the signature like the guide says to and it tracks the laser well when it’s on a sheet of paper in front of the pixy as seen in the first image attached, but when I shine it on the wall just 5 feet away it can’t track it but does have the red squares pop up around it as seen in the second attached image. I want to be able to track the laser over a large room. I’ve tried teaching it on the wall, messing with the settings to increase inclusiveness, and this is the highest I can get it without getting false positives (which isn’t very high)Any suggestions on getting it to more reliable detect the laser? I’ve also had a problem with the output from pixymon having muted colors; it that normal?
Thanks in advance!