OpenCV Error: Bad argument (Default classifier file not found!)
I am trying to run textdetection.cpp present here OpenCV Error: Bad argument (Default classifier file not found!) in cv::text::ERClassifierNM1::ERClassifierNM1, file...
View ArticleError building Opencv 2.4.13 for Android with CMAKE
Dear community, last week I tried to build OpenCV 2.4.13 for Android on a Windows 10 x64 machine and encountered a rather puzzling error. As basis for the build process I used the following articles:...
View ArticleSaving Mat Image in Android Gallery
I want to save the Mat Images in android gallery automatically. When I run my code in an Emulator the resultant Mat Image is not saving in Gallery. The code for saving Images is below String Folder =...
View ArticleObject Detection issue
I am using Haar trainer and classifier to train my database at end it is not not detection these pest, help me how can i detect this insect or can suggest any other method for this ?(/upfiles/14737000232634693.png) Code: #include #include using namespace cv; int main(void) { Mat...
View ArticleOpenCV was not initialised correctly. Application will be shut down
I switched cell , had a motorola xt1225 and got a samsung galaxy note 5 . In my galaxy note 5 my application opencv simply not open more , the message as title. And in other devices, including the one...
View ArticleBig different between StereoSGBM and gpu::StereoBM_GPU
Hello there, I try to generate disparity of stereo image by using OpenCV and optimize performance by using GPU but the results of them are different. StereoSGBM initialize StereoSGBM sbm;...
View ArticleOpenCV for Python 3.5 for use under Anaconda's Navigator 1.2.3
I am running Jupyter under Navigator 1.2.3 on my Mac with OS 10.6.8. I have set up an ImageProcessing environment for use with Jupyter and would like to install the OpenCV package for use in that...
View ArticleProblem compiling OpenCV 2.4.13 with Cmake and MinGW
I got this problem when trying to compile opencv using Cmake and mingw. for Cmake: sourcecode is located in "C:\CPP Libraries\OpenCV-2.4.13\opencv\sources" where the binaries are goint to be build is...
View Articlecontour detection and distance measurement
Hi I am trying to find the distance between an optical fiber and a reference plane. The code I am using sees the external profile of the fiber but only generates a small contour around it and only...
View ArticleStereoCalibration RMS Problem
Hi guys, I have a strange Problem. I want to calibrate a vertical stereo camera system. First I calibrate each camera individually double rms = calibrateCamera(xObjektPoints, xImageCam1,...
View ArticleI want to install opencv3.0.0 in ubuntu14.04
Before, I was able to opencv2.4.8 on ubuntu14.04. Recently, I tried to install opencv3.0.0 on ubuntu14.04, following manual, but I confirmed version using python and version was 2.4.8. The cause of...
View ArticleLoading OpenCV on android fails
hello, i am working on android app using open cv library, here is main service code : [Main_service_code.java](http://paste.ofcode.org/ZBqRtsAe6gdNaTtcZN2MK8#) I tried to use static link by include...
View Articleopencv_highgui creates new threads during static allocation
I use opencv 2.4.9, libusb 1.0.19. The class CvDC1394 is statically allocated by the library and calls dc1394_new() in its constructor. This in turn calls libusb_init(), which will do a pthread_create...
View ArticleAs I am unable to understand formula/theory/details of this function...
Hello, I am unable to understand formula used in this function **details::focalsFromHomography ()** [here]. (http://docs.opencv.org/2.4/modules/stitching/doc/autocalib.html) Can someone help me in...
View Articlewhere to get Slow.flv
Hi All, I am new to OpenCV, can anyone tell me where to find slow.flv file, used in opencv python tutorial. Regards, Bharat
View ArticleYUV422 Packed format scaling
I am writing a scaling algorithm for YUV422 packed format images (without any intermediate conversions to RGB or grayscale or what have you). As can be seen in the below image from MSDN, the 4:2:2...
View ArticleCvread Cascade on iOS failed
Platform: iOS, OpenCV 3.1 I am trying to implement object recognition on iOS devices using OpenCV but I have met some difficulties and there is lack of documents or examples of OpenCV for iOS so I need...
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