About the error of 「vision.getMessage」

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圭介川邉 2021-11-25

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1595559-about-the-error-of-vision-getmessage

评论：圭介川邉 2021-12-6

在 MATLAB Online 中打开

I am the following site

https://jp.mathworks.com/help/vision/ug/stereo-visual-simultaneous-localization-mapping.html

I would like to run SLAM on my stereo camera as a reference.

I have been using the version of MATLAB 2021a for some time, but I installed MATLAB 2021b because the addImageFeatures function in the "Initialize location-aware database" section was introduced from MATLAB 2021b.

However, when I open a calibration session from the Stereo Camera App Calibrator app on MATLAB 2021b, I get the following error:

Error: vision.getMessage (line 6)
The message key'CheckerboardOrigin' cannot be found in the catalog'vision: caltool'.
WARNING: An error occurred while executing the listener callback.

Because of this error, it is not possible to get the value of the stereo camera parameter "stereoParams". I did not get such an error when using MATLAB 2021a.

Can anyone please tell me how to resolve this error?

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Walter Roberson 2021-11-25

The spacing of the second line of the error message is strange in several places. Is that an exact copy of the message?

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Answer 1

Image Analyst 2021-11-25

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https://ww2.mathworks.cn/matlabcentral/answers/1595559-about-the-error-of-vision-getmessage#answer_840369

I get no such error. I suggest you call tech support for free installation help since it seems like it's not installed properly.

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圭介川邉 2021-12-6

在 MATLAB Online 中打开

After reinstalling, the above error could be resolved. However, when I use the "addImageFeatures" function, I get the following error:

The function or variable'addImageFAfter reinstalling, the above error could be resolved. However, when I use the "addImageFeatures" function, I get the following error:atures' is not recognized.
Error: stereoslam (line 94)
addImageFeatures (loopDatabase, currFeaturesLeft, currKeyFrameId);

Isn't the path to recognize the "addImageFeatures" function connected? Also, please let me know if there is a toolbox required to use the "addImageFeatures" function.

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