Hello all, I am getting an error "Dot indexing is not supported for variables of this type."

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Amanpreet 2022-9-25

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1811705-hello-all-i-am-getting-an-error-dot-indexing-is-not-supported-for-variables-of-this-type

编辑： Walter Roberson 2022-9-27

采纳的回答： Walter Roberson

在 MATLAB Online 中打开

Below is the error code.

Dot indexing is not supported for variables of this type.
Error in yolov2ObjectDetector/parseDetectInputs (line 580)
networkInputSize = network.Layers(this.LayerIndices.ImageLayerIdx).InputSize;
Error in yolov2ObjectDetector/detect (line 413)
params = this.parseDetectInputs(I,varargin{:});
Error in secondpage>pushbutton1_Callback (line 242)
[bboxes,scores,label] = detect(detector,s(k).cdata);
Error in gui_mainfcn (line 95)
feval(varargin{:});
Error in secondpage (line 42)
gui_mainfcn(gui_State, varargin{:});
Error in matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)secondpage('pushbutton1_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating UIControl Callback.

May you please help resolve this.

Thank you

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Walter Roberson 2022-9-26

The github link is missing some files; I had to download from the Google Drive link. And edit the code, because it uses \ directory separators.

Amanpreet 2022-9-26

@Walter Roberson Thanks for helping with the same. Code is running now. I did the debugging to track back and it said that Deep learning toolbox was not installed.

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采纳的回答

Walter Roberson 2022-9-27

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1811705-hello-all-i-am-getting-an-error-dot-indexing-is-not-supported-for-variables-of-this-type#answer_1061240

编辑：Walter Roberson 2022-9-27

I do not get that error when I test with R2022b on my system. Which MATLAB release are you using?

I did have to make some changes to files to get the code to run on my system, because it had hardcoded paths and used \ as the directory separator; I also worked around a warning. I have attached the modified versions.

Also, most of the test videos do not work at all on my system; I had to use sdVideo.mp4