Peter M. Groen / openbr | GitLab

Opencv4 (#580) ...

* Make OpenBR compatible with OpenCV 4.X (tested with 4.5.1). There is a loss in functionality with this port. See TODO.md for outstanding issues

* Add ForestInductionTransform back into forest.cpp

* Add boost back in to OpenBR. This was difficult because OpenCV 4 dropped the C persistence layer, which all of the boost classes use. The new 3rdparty/opencv2-compat directory adds the C persistence layer back in, along with the old OpenCV ML classes that were removed for 4.X

* Add boosted forest plugin back in

* Freeing memory only leads to terrible consequences! Both of these cases caused double frees when the pointers were freed. This solution definitely has a memory leak during training, but it does work

* Add InputOutputArray operator

* Properly print matrices with newlines

* Bug fixes

* opencv still defines these

* updated module dependencies

* bump eigen to fix compile error

* opencv ios lib location has changed

* sift now part of features2d

Co-authored-by: Jordan Cheney <jordan@rankone.io>
Co-authored-by: Scott Klum <scott@rankone.io>
Co-authored-by: Josh Klontz <josh@rankone.io>

authored

2021-03-23 09:21:03 -0600

Tutorial_ArrayClass_mult.cpp 237 Bytes

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#include <Eigen/Dense>
#include <iostream>

using namespace Eigen;
using namespace std;

int main()
{
  ArrayXXf a(2,2);
  ArrayXXf b(2,2);
  a << 1,2,
       3,4;
  b << 5,6,
       7,8;
  cout << "a * b = " << endl << a * b << endl;
}