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2020-12-17 04:16:04 -0600 received badge  Popular Question (source)
2016-01-18 19:14:53 -0600 asked a question Is there a Guo Hall thinning method in openCV 3.1.0?

I am trying to find out if there is Guo Hall thinning in latest openCV. Could not find anything in the official documentation. Some people here mentioned a Japanese article where it is implemented in c++ so is there any way we could have it included into openCV?

2015-12-23 10:15:02 -0600 asked a question import cv2 does not work after installation of OpenCV 3.0 on Linux

I want to compile OpenCV with python3 support. I have cloned latest OpenCV and compiled it from source using the following steps:

$ git clone https://github.com/Itseez/opencv_contrib.git
$ cd opencv
$ mkdir build
$ cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..
$ make -j8
$ sudo make install
$ python
Python 3.5.0 (default, Sep 20 2015, 11:28:25) 
[GCC 5.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import cv2
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named 'cv2'
>>>

I wonder what did go wrong?