Hello,
I am trying to plot a few points on top of a live image preview, but my code returns an error of "Line cannot be a child of Image." Does anyone know of a way to plot on top of a Live Image, similar to the imageMarker function?
vidRes1 = handles.vid1.VideoResolution; imWidth1 = vidRes1(1); imHeight1 = vidRes1(2); nBands1 = handles.vid1.NumberOfBands; hImage = image(zeros(imHeight1, imWidth1, nBands1), 'Parent', handles.axes1); preview(handles.vid1, hImage); plot(hImage, 250, 300, 'bo');
Thanks,
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This approach might work for you:
vid = videoinput('winvideo', 1); vidInfo = imaqhwinfo(vid); vidRes = vid.VideoResolution; imWidth = vidRes(1); imHeight = vidRes(2); numBands = vid.NumberOfBands; hFig = figure; hAxes = axes(hFig); hImage = image(hAxes, zeros(imHeight, imWidth, numBands, vidInfo.NativeDataType)); preview(vid, hImage);
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