Unrecognized function or variable

Question

Sridharan K 2020-7-19

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https://ww2.mathworks.cn/matlabcentral/answers/567309-unrecognized-function-or-variable

回答： Rob Campbell 2021-5-20

While running the example "Object detection using YOLO v3 deep learning", it is giving the error "Unrecognized function or variable" for the functions squeezenetFeatureExtractor, addFirstDetectionHead and addSecondDetectionHead. What should I do?

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Answer 1

Rob Campbell 2021-5-20

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https://ww2.mathworks.cn/matlabcentral/answers/567309-unrecognized-function-or-variable#answer_704228

You need to install this:

https://www.mathworks.com/matlabcentral/fileexchange/87959-computer-vision-toolbox-model-for-yolo-v3-object-detection?s_tid=srchtitle

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Answer 2

Anmol Dhiman 2020-7-21

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https://ww2.mathworks.cn/matlabcentral/answers/567309-unrecognized-function-or-variable#answer_468816

Hi Sridharan,

Follow the link for resolutions.

Regards,

Anmol Dhiman

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John Lee 2021-4-6

this is not a good answer.

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Answer 3

xinyi shen 2021-1-22

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https://ww2.mathworks.cn/matlabcentral/answers/567309-unrecognized-function-or-variable#answer_604118

编辑：xinyi shen 2021-1-22

I do not the previous answer really answers the question.

squeezenetFeatureExtractor, addFirstDetectionHead and addSecondDetectionHead. are not built in any toolbox. If you read throught the help page of yolov3, you will find the codes of the functions are on the page.

https://www.mathworks.com/help/vision/ug/object-detection-using-yolo-v3-deep-learning.html