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  • voxl
  • VOXL SDK
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  • voxl-tag-detectorvoxl-tag-detector
  • Issues
  • #1
Closed
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Created Jul 06, 2021 by Pawel Jaworski@p3jawors

Missing lens_cal_file

I recently reflashed the image for my voxl-m500 to 3.3 and reinstalled the voxl-suite during the process. I've run the voxl-configure-tag-detector service and set it up to run on boot, however I am unable to get it to run. When I try voxl-tag-detector -d I get an error about the lens calibration file missing. Is there something I am missing in the setup process? I have not updated the tag locations to my own yet, and am just trying to get the service running with the default settings."

enabling debug mode
loading tag-detector config file
loading apriltag config file
=================================================================
detector #0
    enable:          1
    input_pipe:      tracking
    en_fast_mode:    1
    n_threads:       1
    en_undistortion: 1
    undistort_scale: 0.60
    overlay_name:    tracking_tag_overlay
    lens_cal_file:   /data/modalai/opencv_tracking_intrinsics.yml
    skip_n_frames:   5
detector #1
    enable:          0
    input_pipe:      stereo
    en_fast_mode:    1
    n_threads:       1
    en_undistortion: 1
    undistort_scale: 0.90
    overlay_name:    stereo_tag_overlay
    lens_cal_file:   /data/modalai/opencv_stereo_intrinsics.yml
    skip_n_frames:   5
detector #2
    enable:          0
    input_pipe:      extra
    en_fast_mode:    1
    n_threads:       1
    en_undistortion: 0
    undistort_scale: 1.00
    overlay_name:    extra_tag_overlay
    lens_cal_file:   /data/modalai/opencv_extra_intrinsics.yml
    skip_n_frames:   5
=================================================================
default_size_m:        0.173
#0:
    id:              0
    name:            default_name
    loc_type:        unknown
    size_m:            0.173
    T_tag_wrt_fixed: 0.0  0.0  0.0 
    R_tag_to_fixed:  0.0 -1.0  0.0 
                     1.0  0.0  0.0 
                     0.0  0.0  1.0 
Failed to load lens cal file /data/modalai/opencv_tracking_intrinsics.yml

Any help is greatly appreciated.

Cheers,

Pawel

Edited Jul 06, 2021 by Pawel Jaworski
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