Can't reload 'C:\Program Files\MATLAB\R2018b\bin\win64\ocv.dll' when using detectMSERFeatures, while the Computer Vision Toolbox installed indeed.

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Shin Wang 2018-10-23

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评论： sodisetty sarath 2019-1-24

I'm using Matlab R2018b, running on Windows 10 64bit. The problem came out when I tried to run a piece of code that contents detectMSERFeatures. It said : Can't reload 'C:\Program Files\MATLAB\R2018b\bin\win64\ocv.dll'. The code is working fine on the MacOS and another Windows 10 Desktop. Also the computer vision toolbox has been installed and I could use ocr command to recognize the text in the image without any error.I have reinstalled the software and tried to disable the anti-virus software, as well as deleted the prefdir folder.

But nothing works so far. Please help.

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Answer 1

Shin Wang 2018-10-23

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编辑：Shin Wang 2018-10-23

I just fixed the problem by replacing R2018b with R2918a.

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Answer 2

Amith Kamath 2018-11-13

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This happens due to the unavailability of the Visual C redistributable DLLs, which can be downloaded from here:

https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads

For more details about what changed, see the following:

https://docs.microsoft.com/en-us/cpp/ide/determining-which-dlls-to-redistribute?view=vs-2017

Upon the installation, restarting MATLAB should resolve this problem. Please report back here if the problem persists in spite of installing this. Thanks!