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2019-09-17 04:13:12 -0500 commented question how to merge (stitch) 2 images without black points in opencv c++

you can use stitching module

2019-09-17 03:18:21 -0500 commented question OpenCV dnn - Squeeze & Excitation Module freezing

It's ok. You can post error message using last opencv version so not OpenCV(4.0.1) /io/opencv/modules/dnn/src/layers/elt

2019-09-17 03:08:47 -0500 commented question OpenCV dnn - Squeeze & Excitation Module freezing

please update to last opencv version (issues solved)

2019-09-16 03:56:09 -0500 commented question OpenCV failure while executing stitching in GPU

in cmake output : Unavailable: cnn_3dobj cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters

2019-09-16 03:22:27 -0500 edited question OpenCV failure while executing stitching in GPU

OpenCV failure while executing stitching in GPU Hi Team, I am trying to execute image stitching in cuda device but cont

2019-09-14 12:13:03 -0500 commented question c++ matrix optimization which is look slower than optimized python numpy ?

try to disable opencl.

2019-09-14 00:37:24 -0500 commented question LNK2019 error only on debug compilation

Did you generate opencv in release an debug or did you get opencv on web? When you generate your project did you choose

2019-09-13 11:45:47 -0500 commented question c++ matrix optimization which is look slower than optimized python numpy ?

try to use subtract

2019-09-13 10:55:03 -0500 commented question c++ matrix optimization which is look slower than optimized python numpy ?

can you compare only pow function?

2019-09-13 07:34:18 -0500 edited question c++ matrix optimization which is look slower than optimized python numpy ?

c++ matrix optimization which is look slower than optimized python numpy ? Hi I have below codes which 2X is slower th

2019-09-13 07:21:27 -0500 commented question c++ matrix optimization which is look slower than optimized python numpy ?

how did you build opencv ?

2019-09-13 01:07:22 -0500 commented question 32 bit open CV build libraries

There is no 32 bits release since (???). If you need a 32 bit release you have to build it using cmake and your favourit

2019-09-12 06:40:53 -0500 commented question Problem instaling libgtk2.0-dev and pkg-config

You can build opencv and opencv_contrib in another repo and stop when compilation starts( after generated done). It won'

2019-09-12 03:31:23 -0500 commented question Problem instaling libgtk2.0-dev and pkg-config

That is my cmake output AT line 123 my GUI configuration use WIN32UI. What's your cmake output for GUI?

2019-09-12 02:24:07 -0500 commented question Problem instaling libgtk2.0-dev and pkg-config

That's not cmake output. run cmake and insert in your question using edit button what cmake writes on screen

2019-09-12 02:22:40 -0500 commented question LNK2019 error only on debug compilation

imshow is in opencv_highgui412d.lib use cmake

2019-09-12 00:59:58 -0500 commented question Problem instaling libgtk2.0-dev and pkg-config

What is your cmake output?

2019-09-11 08:32:17 -0500 commented question explanation for dnn_backend_opencv not declared in scope error

Sorry but ros-OpenCV. is off topics : Keep in mind that this is a forum where we motivate people to go head on with th

2019-09-11 08:30:20 -0500 commented question explanation for dnn_backend_opencv not declared in scope error

Sorry but ros-OpenCV. is off topics : Keep in mind that this is a forum where we motivate people to go head on with th

2019-09-11 08:29:32 -0500 commented question explanation for dnn_backend_opencv not declared in scope error

Sorry but ros-OpenCV. is off topics : Keep in mind that this is a forum where we motivate people to go head on with th

2019-09-11 08:21:52 -0500 commented question OpenCV failure while executing stitching in GPU

cuda is used only with option gc_colorgrad and gc_color(default). Have you got a stack trace? Can you post getBuildInf

2019-09-11 06:33:31 -0500 commented question explanation for dnn_backend_opencv not declared in scope error

Please What's language, platform opencv version, source file?

2019-09-11 03:32:23 -0500 commented question Problem instaling libgtk2.0-dev and pkg-config

there is no gui (in opencv) on your computer. What is your platform? Did you build opencv?

2019-09-11 03:29:42 -0500 commented question OpenCV failure while executing stitching in GPU

try with --try_cuda yes --seam gc_colorgrad and after --try_cuda yes --seam no

2019-09-11 03:20:20 -0500 commented question OpenCV failure while executing stitching in GPU

try with --try_cuda yes --seam gc_colorgrad

2019-09-11 03:19:55 -0500 commented question OpenCV failure while executing stitching in GPU

try with --try_cuda yes --seam colorgrad

2019-09-11 02:39:09 -0500 commented question Problem instaling libgtk2.0-dev and pkg-config

there is no gui on your computer. What is your platform? Did you build opencv?

2019-09-11 02:29:27 -0500 commented question OpenCV failure while executing stitching in GPU

Hi Thank you for your Input... I have tried suggested example but getting same issue while using "--try_cuda yes": [

2019-09-11 02:23:17 -0500 commented question OpenCV failure while executing stitching in GPU

with try_cuda no is it OK?

2019-09-10 06:52:34 -0500 received badge  Notable Question (source)
2019-09-10 06:42:33 -0500 commented question OpenCV failure while executing stitching in GPU

Can you try using this source code?

2019-09-10 02:01:33 -0500 commented question Trying to automate desktop application using sikuli integrated with eclipse.

Sorry : Basically the following types of questions are not allowed on this forum: Questions about problems with openCV

2019-09-09 10:47:00 -0500 edited question cvtColor hls to rgb lightening image

cvtColor hls to rgb lightening image HI, I am trying to lighten an image by converting to HLS and then adjusting the li

2019-09-09 05:05:17 -0500 commented question Getting error while compiling sampleDetectLandmarks.cpp

You cannot use this sample with opencv3.2 : contrib modules are under constant development and it is recommended to use

2019-09-09 05:04:17 -0500 commented question Getting error while compiling sampleDetectLandmarks.cpp

You cannot use this sample with opencv3.2 : contrib modules are under constant development and it is recommended to use

2019-09-09 03:37:37 -0500 commented question Getting error while compiling sampleDetectLandmarks.cpp

There is no problem with this sample (in windows or raspberry). Can you explain how do you get those error messages? Are

2019-09-09 02:45:13 -0500 commented question Getting error while compiling sampleDetectLandmarks.cpp

Have you compiled opencv_contrib using cmake?

2019-09-09 01:59:06 -0500 commented question DNN do not support tf.tile

Custom deep learning layers support @dkurt

2019-09-09 01:58:25 -0500 commented question DNN do not support tf.tile

Custom deep learning layers support

2019-09-08 02:07:33 -0500 commented question why fx focal length is changing when I calibrating the camera.

Why fx should be equal to manufacture fx ?

2019-09-08 02:05:59 -0500 answered a question Placing UYVY data in a Mat, C++

Opencv throws an exception (problem is not with UYVY) : Mat x(200, 100, CV_8UC2, Scalar(0)); imshow("test", x); waitKey

2019-09-07 05:57:05 -0500 commented question Panning image window programmatically

"read the question properly please. as explicitly stated, handling the mouse event is not the issue here" Explain your p

2019-09-07 03:29:54 -0500 commented question error: undefined reference to 'cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&, std::__ndk1::vector<cv::Rect_<int>, std::__ndk1::allocator<cv::Rect_<int> > >&, double, int, int, cv::Size_<int>, cv::Size_<int>)'

may be this can help you

2019-09-07 03:27:34 -0500 commented question Panning image window programmatically

read tutorials

2019-09-06 11:01:13 -0500 commented question OpenCVSharp - Object detection and tracking

opencvsharp is off topics

2019-09-05 15:52:40 -0500 commented question New to OpenCV and Python

out.release() save the video

2019-09-04 10:47:44 -0500 commented question Docs on various switches for building OpenCV 4 under Linux

That's the same question as previous one : you wrote it. answer to your question : there is no doc on various switches

2019-09-04 10:46:48 -0500 commented question Docs on various switches for building OpenCV 4 under Linux

I found something for you https://github.com/opencv/opencv/wiki/CPU-optimizations-build-options hope its help

2019-09-04 09:18:11 -0500 commented question _ITERATOR_DEBUG_LEVEl for OpenCV 4.1.1

read the documentation

2019-09-04 08:15:42 -0500 commented question Python error for 4.1.0 - cv.imshow(winname, mat) not implemented

in cv.getBuildInformation() what is it written in your configuration in GUI ? I use window : GUI: Win32 UI: