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 Post subject: opencv library
PostPosted: Sat Aug 19, 2017 8:37 pm 
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Joined: Fri Dec 09, 2016 11:44 am
Posts: 17
hia

The opencv librarian - 1.0.0.0, when adding it in a codesys 3.5 sp11 project generates 479 errors without being resolved.
Has anyone tried it with another version of codesys?


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 Post subject: Re: opencv library
PostPosted: Sun Aug 20, 2017 6:18 am 
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Joined: Mon Sep 05, 2005 9:42 am
Posts: 3448
Hi,
did you follow the instructions from here (product datasheet)?
https://store.codesys.com/opencv-for-ra ... re=default
or here:
"c:\Users\YourWindowsUserName\OpenCV for Raspberry Pi\3.5.11.0\Datenblatt OpenCV RaspberryPI_en.pdf"

1.Installing OpenCV on Raspberry Pi:
In order to use the library on the Raspberry Pi, OpenCV must already be installed on the
Raspberry Pi. The specific version can be installed by means of the following command:
sudo apt-get install libopencv-dev=2.4.9.1+dfsg-1+deb8u1

2. Setting up the temporary file system
For temporary buffering of images, a temporary file system is required in the /tmp folder.
Commands for setting up the temporary file system:

sudo -s
Add the following lines in the file /etc/fstab (if not already available):

tmp /tmp tmpfs defaults 0 0

Restart the system:
reboot

Installing the OpenCV component for the runtime system
Then the OpenCV component for the runtime system still have to be installed.
The Debian package "codesys_raspi_opencv_V3.5.11.0.deb" is located in the 'Opencv installation directory'.
C:\Users\YourWindowsName\OpenCV for Raspberry Pi\3.5.11.0
This could be installed by the Update Raspberry Pi command.

The example project is here:
"c:\Users\YourWindowsUserName\OpenCV for Raspberry Pi\3.5.11.0\CameraStreamOpenCVExample.project"

BR
Edwin


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 Post subject: Re: opencv library
PostPosted: Sun Aug 20, 2017 12:37 pm 
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Joined: Fri Dec 09, 2016 11:44 am
Posts: 17
Edwin Schwellinger wrote:
Hi,
did you follow the instructions from here (product datasheet)?
https://store.codesys.com/opencv-for-ra ... re=default
or here:
"c:\Users\YourWindowsUserName\OpenCV for Raspberry Pi\3.5.11.0\Datenblatt OpenCV RaspberryPI_en.pdf"

1.Installing OpenCV on Raspberry Pi:
In order to use the library on the Raspberry Pi, OpenCV must already be installed on the
Raspberry Pi. The specific version can be installed by means of the following command:
sudo apt-get install libopencv-dev=2.4.9.1+dfsg-1+deb8u1

2. Setting up the temporary file system
For temporary buffering of images, a temporary file system is required in the /tmp folder.
Commands for setting up the temporary file system:

sudo -s
Add the following lines in the file /etc/fstab (if not already available):

tmp /tmp tmpfs defaults 0 0

Restart the system:
reboot

Installing the OpenCV component for the runtime system
Then the OpenCV component for the runtime system still have to be installed.
The Debian package "codesys_raspi_opencv_V3.5.11.0.deb" is located in the 'Opencv installation directory'.
C:\Users\YourWindowsName\OpenCV for Raspberry Pi\3.5.11.0
This could be installed by the Update Raspberry Pi command.

The example project is here:
"c:\Users\YourWindowsUserName\OpenCV for Raspberry Pi\3.5.11.0\CameraStreamOpenCVExample.project"

BR
Edwin

yes
This method in earlier versions of raspbian if it works.
In the last version of raspian STRETCH are not in the repository "libopencv-dev = 2.4.9.1 + dfsg-1 + deb8u1"
Thank you


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 Post subject: Re: opencv library
PostPosted: Mon Jun 11, 2018 12:32 pm 
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Joined: Mon Nov 28, 2016 2:24 pm
Posts: 15
I get the following errors when trying to install the OpenCV to the raspberry pi 3 with the Raspian Jessie.
I run the command sudo apt-get install libopencv-dev=2.4.9.1+dfsg-1+deb8u1 and get the following errors.
The raspberry has the internet connection and can ping 93.93.128.193.
I plan to use a standart web cam. So do I need to install anything else?

Thanks,


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