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How to install FLANN and pyflann on Windows


How to install FLANN and pyflann on Windows

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How to install FLANN and pyflann on Windows
Tag : python , By : cashshadow
Date : November 24 2020, 03:41 PM


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How to use flann based matcher, or generally flann in opencv?


Tag : opencv , By : Stephen
Date : March 29 2020, 07:55 AM
this will help http://opencv.willowgarage.com/documentation/cpp/features2d_common_interfaces_of_descriptor_matchers.html#flannbasedmatcher , Here's untested sample code
using namespace std;
using namespace cv;

Mat query; //the query image
vector<Mat> images;   //set of images in your db

/* ... get the images from somewhere   ... */

vector<vector<KeyPoint> > dbKeypoints;
vector<Mat> dbDescriptors;

vector<KeyPoint> queryKeypoints;
Mat queryDescriptors;

/* ... Extract the descriptors ... */

FlannBasedMatcher flannmatcher;

//train with descriptors from your db
 flannmatcher.add(dbDescriptors);
 flannmatcher.train();

vector<DMatch > matches;

flannmatcher.match(queryDescriptors, matches);

/* for kk=0 to matches.size()

       the best match for queryKeypoints[matches[kk].queryIdx].pt 
       is dbKeypoints[matches[kk].imgIdx][matches[kk].trainIdx].pt

 */

How to Install Matplotlib Basemap Module on Windows 7 with WinPython (or any Python stack install)?


Tag : python-2.7 , By : itsmegb
Date : March 29 2020, 07:55 AM
around this issue I use windows. And my installation failed with official guidance, too. Finally I installed Basemap using the following method. Although I am not sure if it will go right for you, I just offer mine.

Strongloop fails to install in Windows 7, sqlite3@3.0.5 Failed to exec install script


Tag : node.js , By : wrb302
Date : March 29 2020, 07:55 AM
help you fix your problem I followed the strongloop pre installation requirments (http://docs.strongloop.com/display/SL/Installing+Node+and+StrongLoop+on+Windows) and everything was set without problems. However , each time I execute , I opened my CMD in administrator's mode, and by default it opens in
c:\Windows\system32
  c:\Windows\system32> npm install -g strongloop 
C:\> npm install -g npm

unable to install python package/module on windows (tried easy install as well as pip already)


Tag : development , By : apple
Date : March 29 2020, 07:55 AM
it fixes the issue I found the answer. In case when both pip and easy_install fails, there is a third way (as simple as pip and easy_install).
Step 1) Go to https://pypi.python.org/ to find the desired python module/package and download the *.tar.gz file (example name: plotly-1.9.6.tar.gz) and save it anywhere.
python setup.py install

No module named 'index' after install pyflann


Tag : python , By : ┬Áilad
Date : March 29 2020, 07:55 AM
it fixes the issue pyflann does not have support for python 3 yet, according to this GitHub issue. Your two options are:
Install the pyflann-py3 package:
pip install pyflann-py3
sudo 2to3 -w D:\Anaconda3\lib\site-packages\pyflann
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