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2019-10-17 06:02:57 -0500 asked a question KCF is not correctly finding tracked object

KCF is not correctly finding tracked object When I pass a frame and a bounding box to trackerKCF init the tracker proper

2019-05-01 12:22:47 -0500 received badge  Enthusiast
2019-04-25 10:08:24 -0500 asked a question Building 3.4.6, Windows 10 with Cuda

Building 3.4.6, Windows 10 with Cuda OK, I am stumped. I have tried about a half a dozen different web sites that have d

2018-11-14 12:09:16 -0500 commented question Compiling Fails

Adding cv:: was all it took. Thank you very much. Next is to see if I can get this built with Cuda 10.0! Doug

2018-11-14 12:01:50 -0500 received badge  Student (source)
2018-11-14 11:55:23 -0500 commented question Compiling Fails

Guess I am not so smart, what is the CVV module? I am just following a script posted by [Learn OpenCV] (https://www.lear

2018-11-14 11:32:46 -0500 asked a question Compiling Fails

Compiling Fails When building overlayfilterwidget.cpp I get the following error: [ 67%] Building CXX object m

2017-02-17 08:48:32 -0500 commented question HOG Getting an Assertion

@steven, my apologies you are quite right. I had meant to put a link into the original post but simply forgot. Here is the link to the original blog post: ( and (


2017-02-17 08:46:15 -0500 received badge  Editor (source)
2017-02-16 18:34:44 -0500 asked a question HOG Getting an Assertion

I am compiling in VS2015 using the prebuilt Windows 3.2 libraries. This program came from a very good blog. When I run it I get an assertion:

Unhandled exception at 0x000007FEFD70A06D in HOGSVM.exe: Microsoft C++ exception: cv::Exception at memory location 0x00000000002AE910.

Always at the same memory location And this is on my console:

OpenCV Error: Assertion failed ((n & (n - 1)) == 0) in cv::alignSize, file C:\build\master_winpack-build-win64-vc14\opencv\modules\core\include\opencv2/core/utility.hpp, line 438

The line being called is: hog.compute(deskewedtrainCells[y], descriptors);

vector<float> descriptors; vector<mat> &deskewedtrainCells

are the two parameters to this call.

The assertion seems to come after the line in types.hpp: template<typename _tp=""> inline Size_<_Tp>::Size_() : width(0), height(0) {} control comes back to program and the next step is the assertion.

Thanks, Doug