poses calculation and object detection logic insides

[gumby0q]

Hi,
@jyjblrd may I ask you about locate_objects function? and general about the algorithm?

I setup cameras at my place with tripods of 2 meters, and distance between tripods around 1.5m. I use 3 cameras. I was able to calibrate cameras and poses. tracking worked quite good. But I have to setup the system in a bit bigger place. And here everything failed. The poses calibration seems to work not good. Even if I can get good poses I cannot see object tracking. Secondary polylines are not visible (cannot be calculated) on the screen. And I investigated that with different cases tracked points cannot satisfy conditions in this function

Low-Cost-Mocap/computer_code/api/helpers.py

Line 424 in 8ac4d41

def locate_objects(object_points, errors):

some times the first, and mostly the second one on the line 448

Can you or anybody give me some hints?

Thank you in advance!

[gumby0q]

Hi,
I dug some code.
The problem was with bad world scale.
And one more caveat: Actually I didn't know that scale procedure should be done only with two LEDs (0.15m distance between them)!

I do not know if there some info about these details. If some notes exist, pls point me out