Comments (7)
lambdaloop
commented on May 24, 2024
Hello! Thank you for filing this issue.
I'm guessing you have a line in your config.toml file which looks like
[calibration]
calibration_init = 'calibration_init.toml'This is (currently) an undocumented feature which allows you to specify initial parameters for the calibration if you have a guess. It's not needed and you should be able to remove the line to use the automated parameter initialization.
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lambdaloop
commented on May 24, 2024
Hi @elhananby ,
Have you resolved this issue?
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elhananby
commented on May 24, 2024
Hi Pierre, sorry for the very late response!
I took a small break from the specific project but recently tried to re-run it. I followed your advice and removed the line, however the current error I'm getting after running anipose --config [my config filename] calibrate is:
/home/elhanan_la/Videos/experiment/session1/calibration/calibration.toml
/home/elhanan_la/Videos/experiment/session1/calibration/cam0_calibrate_191029_151437.mp4
43 boards detected
/home/elhanan_la/Videos/experiment/session1/calibration/cam1_calibrate_191029_151437.mp4
61 boards detected
/home/elhanan_la/Videos/experiment/session1/calibration/cam2_calibrate_191029_151437.mp4
95 boards detected
defaultdict(<class 'int'>, {})
Traceback (most recent call last):
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/bin/anipose", line 8, in <module>
sys.exit(cli())
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/click/core.py", line 764, in __call__
return self.main(*args, **kwargs)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/click/core.py", line 717, in main
rv = self.invoke(ctx)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/click/core.py", line 1137, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/click/core.py", line 956, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/click/core.py", line 555, in invoke
return callback(*args, **kwargs)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/click/decorators.py", line 64, in new_func
return ctx.invoke(f, obj, *args, **kwargs)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/click/core.py", line 555, in invoke
return callback(*args, **kwargs)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/anipose/anipose.py", line 108, in calibrate
calibrate_all(config)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/anipose/common.py", line 168, in fun
return process_all(config, process_session, **args)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/anipose/common.py", line 153, in process_all
output[past_folders] = process_session(config, path, **args)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/anipose/calibrate.py", line 183, in process_session
n_samp_iter=100, n_samp_full=2000)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/calligator/cameras.py", line 1555, in calibrate_rows
rvecs, tvecs = get_initial_extrinsics(rtvecs)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/calligator/utils.py", line 174, in get_initial_extrinsics
extrinsics = compute_camera_matrices(rtvecs, pairs)
File "/home/elhanan_la/.conda/envs/dlc-ubuntu-GPU/lib/python3.6/site-packages/calligator/utils.py", line 164, in compute_camera_matrices
source = pairs[0][0]
IndexError: list index out of range
From manually running the same videos through OpenCV board detection algorithms I know there are multiple frames where the boards are detected on at least two cameras, so I don't think it's an issue with lack of overlapping frames.
Best,
Elhanan
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lambdaloop
commented on May 24, 2024
Huh, that's strange. Could you share your calibration videos and config.toml file so I could reproduce the error?
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lambdaloop
commented on May 24, 2024
Looking over the error again, you seem to have very few boards detected, and it's possible there is no overlap between two cameras in those detections. Could it be that you mispecified your calibration board parameters?
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elhananby
commented on May 24, 2024
Edit:
Ok, I've actually found the issue was with the camera name regex, which I didn't change from the default. the calibration seems to be working now!
I've ran it again on a longer video and got around 300 detections for each camera, and I still get the same error.
I have attached the calibration videos and my config file (which is mostly the default file, i'm just trying to get the calibration working now) via Google drive:
https://drive.google.com/drive/folders/1lfZFQfoNs-mEefIr1B0XiZD76Y2VmrG4?usp=sharing
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lambdaloop
commented on May 24, 2024
That's great! I'm glad you got it to work!
I will close this issue then.
Feel free to open another issue if you get another problem!
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