How to return the state of preivew camera?

shin hsu asked: 2022-01-10 preview , gige vision camera , image processing , Matlab

Learn how to return the state of your preview camera in MATLAB with our comprehensive guide. Access valuable resources and solutions for camera control. Get sta

Expert Answer

Neeta Dsouza answered . 2025-07-29 20:34:29

%avoid warnings about struct() preventing hiding implementation details
old_warning_state = warning('off', 'MATLAB:structOnObject');
gs = struct(g);
gsw = struct(gs.webcamImpl);
gscpc = struct(gsw.CamPreviewController);
warning(old_warning_state);

if gscpc.IsPreviewing
    closePreview(g)
end

Note: you cannot do this directly: several of the properties are hidden properties.

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