Issue using vision.Cas​cadeObject​Detector

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Hardy Pham
Hardy Pham 2015-11-9
评论： VIJAYALAXMI NYAMAGOUDA 2021-7-3
I'm trying to use the command vision.CascadeObjectDetector to create a face detector object but when I do
faceDetector = vision.CascadeObjectDetector();
I encounter an error saying:
Error using vision.CascadeObjectDetector
License checkout failed.
License Manager Error -5
Cannot find a license for SR_Video_and_Image_Blockset.
Troubleshoot this issue by visiting:
http://www.mathworks.com/support/lme/R2015b/5
Diagnostic Information:
Feature: SR_Video_and_Image_Blockset
License path:
/Users/Hardy/.matlab/R2015b_licenses/license_Hardys-MBP_2603179_R2015b.lic:/Applications/MATLAB_R2015b.app/licenses/license.dat:/Applications/MATLAB_R2015b.app/licenses/*.lic
Licensing error: -5,357.
I just recently upgraded from trial to student version (Bought for $100). This command is from the Computer Vision Toolbox, and is included in the student version right? So I assume that I should be able to use it. Any solution??
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Hardy Pham
Hardy Pham 2015-11-9
As you can see, I have the computer vision system toolbox, so I'm not sure why commands from that toolbox are not working
Walter Roberson
Walter Roberson 2015-11-9
The license might not have gotten installed properly. I suggest deactivating and reactivating.

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回答（2 个）

Madhu Govindarajan
Madhu Govindarajan 2015-11-10
I recommend trying the following in MATLAB command window
>> license('checkout','video_and_image_blockset')
If the answer is not 1 from MATLAB, contact Installation support of MathWorks.
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Gnanasekar M S
Gnanasekar M S 2021-6-8
I am using online matlab which is free trail for 30 days ,when I tried this command faceDetector = vision.CascadeObjectDetector();It shows error like this
fapart1
Unable to resolve the name vision.CascadeObjectDetector.
and I tried your command in my command window It shows like this
license('checkout','video_and_image_blockset')
License checkout failed.
License Manager Error -5
Cannot find a license for video_and_image_blockset.
Troubleshoot this issue by visiting:
https://www.mathworks.com/support/lme/R2021a/5
Diagnostic Information:
Feature: video_and_image_blockset
License path: 13501@flexlm-21a-40906948-us-east-1a.wsroute.mathworks.com:13501@flexlm-21a-40906948-us-east-1e.wsroute.mathworks.com:/home/mluser/.matlab/R2021a_licenses:/MATLAB/licenses/license.dat:/MATLAB/licenses
Licensing error: -5,0.
ans=
0
can you please tell how to resolve this error?

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Saira
Saira 2020-3-30
How to solve this error?
My Code is working well on MATLAB 2015a but when I run it on MATLAB 2017a, I got this error.
Error using imwrite
(line 420)
Expected DATA to be one of these types: numeric, logical. Instead its type was vision.CascadeObjectDetector.
Error in Trainingcode (line 38)
imwrite(Mouth,strcat('E:\SVM\JAFFE Local Features\', int2str(i),int2str(j), '.tiff'));

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