PS3 Eye Camera Color based tracking
Hi, I want track multiple object.I buy 4 camera licence but i cant find how can i track color based object position.I am traying change Face tracker code but when i run this code i see gray 2...
View Articlecv::Mat assignment to Scalar
I am getting unexpected behavior for assigning the elements of a matrix--it seems the last element of the matrix is not assigned properly. The following is a minimum code example and output. typedef...
View ArticleTrain dataset for temp stage can not be filled.
I am receiving the error above when I try to run the opencv_traincascade utility. I am running the following command: ./opencv_traincascade -vec faces.vec -data cascadetrain/ -numPos 540 -numNeg 200...
View ArticleTake frame after some millisecond
Hi, this is my problem: I wuold like to implement a motion detection. In Internet i found that the motion is captured using two different frame, and with the function Core.absdiff() put the differce in...
View ArticlesolvePnPRansac CV_32F error
Hello folks, First time here, so forgive me if I do something wrong. Of course, if you need more info on the problem, tell me! I got the following error after running solvePnPRansac: OpenCV Error:...
View ArticleHave a gradient map of a gray scale image and want to recover the original...
While trying to implement a paper on artifact removal from photos I got stuck upon a point where I have the resultant artifact free image gradient but want to recover the corresponding image. The...
View Articlecan't get image in color mode using opencv c++ with raspberry camera module
i'm using raspberry pi 2 with opencv 3 gold and raspicam-0.1.3 libarrry for the pi camera module I have test the code below and it worked but it provide for me an image in grayscale mode (black and...
View ArticleGet Maximum value from a vector which hold the image label
Is it possible to get the maximum value with in this vector 'label' vector images; vector labels; read_csv(fn_csv, images, labels);
View ArticleCan't use of cvCalibrateCamera2().
I'm trying to use of cvCalibrateCamera2() but i always have cv::Exception at memory location 0x0090F42C error. I have Visual Studio 2012 and OpenCV 2.4.6. When i install OpenCV 3.0.0, Visual Studio...
View ArticleRotate an image using gpumat in opencv 3.0
I would like to ask how to rotate an image in gpumat format in opencv 3.0? cuda::rotate can be found in opencv 3.0 document, but i cannot find this function when i use it in vs2012. Did i forget to...
View ArticleWhat is the best way to find bounding box for binary mask?
I have a binary mask of an object and want to get its bounding rectangle. Function cv::boundingRect wants a vector of cv::Point, while I have a matrix. I've written my own function, which reduces the...
View Articleopencv camera capture issues
I am using Opencv 3.0.0 ver on a Windows 7 computer. So I have my videos transmitted back using the TS351 and RC305 set, and captured by the Easycap USB 2.0. However, the easycap is causing lags. I...
View Articlecompare Mat element-wise
i want to compare element by element of 2 Mat s1,s2 and put smaller value in 3rd Mat salient. i have put Code below Build Succesfull but then still there is error Mat downs,ups,s1,s2,m,salient; s1 =...
View ArticleOpenCV Developer for Project needed
HI, I am afraid this is not the right place to ask, but maybe someone can reference me to a good place. My company develop Solutions to create customized Photobook Solutions. Some years ago we...
View ArticleHow can i get LSH from ORB descriptors?
I will very thank for your comments and answers I am newbie in Opencv Please, tell me, how can i get list of hashes from matcher? My code and interesting rows: //matcher_->getListOfLsh(); //Get list...
View ArticleOpencv is slow using titan x
My titan x is running really slow using opencv. I search in google and some people explaint that it is caused by unsupported gpu architecture sm_52. I would like to ask how to make it supporting...
View ArticleHow to detect missing batch number on packaging line ?
We have a packaging machine running at the speed of 200 bottles per minutes, whereas we are using stereo printing for batch number printing on each bottle. Occasionally some of the bottles are found...
View ArticleCollection of Career Opportunities, Job Openings, Internships, Project...
Well being by myself the last couple of months in the process of finding a new job related to software development and/or R&D activities with the use of the OpenCV library and not seeing something...
View ArticleDoes OpenCV3 support Qt4?
I faced highgui issues (aspect ratio of windows weren't maintained) when using Qt5 and OpenCV3 built from source. I'm attempting to rebuild OpenCV with Qt4 support instead, but OpenCV3 Cmake...
View ArticleThe program can't start because opencv_world300d.dll is missing from your...
Hi, I try to run OpenCV on my computer (Windows 7, Visual Studio 2013 Express). I have followed instructions in tutorials:...
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