Roboearth increasing distance where objects are detected [closed]

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Hello,

I'm using Roboearth on turtlebot to detect objects while robot is moving around the room. So far objects detection works quite well (it detects objects with no false positives etc.) the only "problem" is that it only detects them from distance around 1m in front of robot.

Is there any way of incresing this distance? Maybe lowering treshold (it is ok if I get few false positives). If this is possible how do I set this parameters? (I don't see any parameters at kinect detector).