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John Duke's profile - activity

2017-08-27 15:47:48 -0600 commented question OPENCV doesn't show images for feature detection

Did you pass command line argument?

2017-08-27 15:31:02 -0600 commented question opencv 3.3.0 + opencv_contrib 3.3.0 - Missing .lib file

I had trouble building OpenCV 3.3.0 with opencv_world.lib checked during the build process. Many people have had the sam

2017-08-20 17:10:42 -0600 received badge  Enthusiast
2017-08-17 04:52:14 -0600 commented question “Opencv_world330d.dll is missing” message is displaying even after adding "OpenCV-world330d.lib" in Properties => linker => input=>additional dependency?

Can you check to see if Opencv_world330d.dll actually exists in the folder?

2017-08-17 04:48:34 -0600 commented question opencv 3.3.0 + opencv_contrib 3.3.0 - Missing .lib file

Are you able to build OpenCV projects successfully now?

2017-08-13 04:33:05 -0600 answered a question Unhandled exception in Release version of Feature Detection and Feature Matching with FLANN

I discovered some files in the release library were missing so I rebuilt OpenCV 3.2.0 using the master and opencv_contrib source files. However, they were still missing after the rebuild.

I had to build OpenCV 3.3.0 using the master and opencv_contrib files. After linking the library, I can build the same code in both debug and release modes.

Thanks for your help!

2017-08-12 19:15:26 -0600 commented question Can't build opencv_contrib for opencv3.2.0

I am familiar with building OpenCV in MSVC for C++ but not Python. Is your opencv_contrib specifically for OpenCV 3.2.0?

2017-08-10 16:26:53 -0600 commented answer Unhandled exception in Release version of Feature Detection and Feature Matching with FLANN

I will rebuild it from scratch. The last errors are from the release build

2017-08-10 12:07:25 -0600 commented answer Unhandled exception in Release version of Feature Detection and Feature Matching with FLANN

Thanks! I think the release build inherited the debug dll. I have removed those and replaced with the release lib. However, I get the following error message:

opencv_core320.lib(matrix.obj) : error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '2' doesn't match value '0' in Source.obj 1>opencv_core320.lib(matrix.obj) : error LNK2038: mismatch detected for 'RuntimeLibrary': value 'MDd_DynamicDebug' doesn't match value 'MD_DynamicRelease' in Source.obj 1>opencv_core320.lib(alloc.obj) : error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '2' doesn't match value '0' in Source.obj

2017-08-10 10:24:05 -0600 commented question Unhandled exception in Release version of Feature Detection and Feature Matching with FLANN

Yes. I built the opencv libs locally using source files from GitHub. Thanks!

2017-08-10 10:06:38 -0600 asked a question Unhandled exception in Release version of Feature Detection and Feature Matching with FLANN

Hello folks,

I have OpenCV 3.2.0 installed on VS2017 CE. I built and compiled the tutorials on Feature Detection and Feature Matching with FLANN using code from http://docs.opencv.org/master/d7/d66/... and http://docs.opencv.org/master/d5/d6f/....

The debug version of the .exe files run successfully. However, the release version of both programs crash with the following warning:

Unhandled exception at 0x00007FFAF4DE3159 (opencv_xfeatures2d320d.dll) in flann.exe: 0xC0000005: Access violation writing location 0x000000000000001C. occurred

Please can anyone tell me how to fix this? Thanks