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Thread: DMK 21F04 OpenCV Calibration

  1. #1
    Join Date
    Mar 2014
    Posts
    3

    DMK 21F04 OpenCV Calibration

    Hello everybody,

    I'm have to do a project at university. It's about object tracking with 4 DMK 21 F04 cameras. The problem is, that cannot calibrate the cameras with this code:
    http://docs.opencv.org/_downloads/ca...alibration.cpp
    We tried the code on internal webcams an usb cams, everything works fine. But with the imaging source cams, the calibration crashes after 1-2s. But it is possible to capture the video and work with that, so we have the input.
    We thought, that we have 3 possible problems:
    1) DMK 21 F04 is a monochrome camera
    2) FireWire could be the problem
    3) Maybe the fps are to high?

    We would really like to get some support, we are using OpenCV 2.4.8 on Xubuntu with eclipse.

    Regards
    Nils

  2. #2
    Join Date
    Jan 2003
    Location
    Bremen, Germany
    Posts
    4,886

    Re: DMK 21F04 OpenCV Calibration

    Nils

    Do you receive an error message?
    I am not an OpenCV professional, therefore, I do not know, how the calibration works.

    BTW: I am located in Bremen, near Bürgerweide / Schlachthof.
    Best regards
    Stefan
    IC Imaging Control Support

  3. #3
    Join Date
    May 2012
    Age
    39
    Posts
    55

    Re: DMK 21F04 OpenCV Calibration

    Quote Originally Posted by studentbremen View Post
    Hello everybody,

    I'm have to do a project at university. It's about object tracking with 4 DMK 21 F04 cameras. The problem is, that cannot calibrate the cameras with this code:
    http://docs.opencv.org/_downloads/ca...alibration.cpp
    We tried the code on internal webcams an usb cams, everything works fine. But with the imaging source cams, the calibration crashes after 1-2s. But it is possible to capture the video and work with that, so we have the input.
    We thought, that we have 3 possible problems:
    1) DMK 21 F04 is a monochrome camera
    2) FireWire could be the problem
    3) Maybe the fps are to high?

    We would really like to get some support, we are using OpenCV 2.4.8 on Xubuntu with eclipse.

    Regards
    Nils
    Did you try to decrease cams resolution?

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