Building on Solaris 10 fails error: conflicting declaration with 'C++'...
I'm trying to build from source on Solaris 10 as explained in the build from [source](http://docs.opencv.org/2.4/doc/tutorials/introduction/linux_install/linux_install.html) . But while compiling at...
View ArticleError when get color from pixel in visual studio C++
This is function to get the color from a given Mat image, string getColorFromPx(Mat *src, uint16_t x, uint16_t y){ Point pt = Point(x, y); //Mat img = (*src).clone(); Vec3b& levelPxImg =...
View ArticleDetect circle in binary (thresholded image)
Hi everyone, I want to detect circle on the binary image, I try to use HoughCircles but it does not work, could you suggest me some methods to detect circle from binary image.
View ArticleNeed suggestion for running modified source code
I am new to opencv and cmake. I really need some instructions on building modified source code. I cloned master branch from github. I modified ` opencv/modules/imgproc/src/grabcut.cpp` and wants to...
View ArticleBelow is the Social Media Management Company that your business needs
It is no surprise you like spending most of your time online as this is what most people do. Millions of people share their life experiences and communicate with the world through net considering it...
View ArticleBaseball Lessons - A Guide To Choose The Correct Versions
Acquiring the reason for longlasting appealMany people are well aware of the truth that baseball has been around for a while now. But looking into the matter shows a fantastic truth. Baseball is nearly...
View Articleimread from a splitted frame
I have recently used this piece of code to save frame data from a webcam: #include #include #include using namespace cv; #include using namespace std; int main(int argc, char** argv) { VideoCapture...
View ArticleIs it easier to stitch 1080@30fps in h.264 or MPEG?
Hello, I am a software engineering student and for our final project we need to do live video stiching using OpenCV, we intend to run the software on a laptop with a graphic card that supports CUDA....
View ArticleHow can i get function definition of opencv functions?
I am very new in opencv and still i am learning opencv. I downloaded opencv SDK with source code but i only found function declarations there. Is it possible to see the function definitions and if yes...
View ArticleI want to add opencv and gdal libarary in same project on netbeans, but there...
gdal libaray and opencv not added in same project
View Articlehow to find internal code of openCv and internal functionality documentation.
openCv is a open source frameWork.so how can i change internal details.
View ArticleCentroid coordinate at [-1.#IND, -1.#IND]
Hi, I had been looking for centroid in an image using this code vector< vector> contours; findContours(frame_gray, contours, RETR_EXTERNAL, CHAIN_APPROX_SIMPLE); vector mu(contours.size() );...
View ArticleOptimal shape for PnP on calibration pattern
I have a setup where I need extrinsic calibration of an actuator where a camera is mounted. The camera is already calibrated relative to the actuator and now I need to calibrate the whole system...
View Article[JPEG2000] ROI in JPEG2000 compression
Hi, I would like to use the roi functionality of JPEG2000 in imencode function. This functionality allows to compress some parts with a level of compression lower than the rest of the image. I don't...
View ArticleWhat header file to include for undistortpoints
I am trying to use undistortpoints http://docs.opencv.org/master/da/d54/group__imgproc__transform.html#ga55c716492470bfe86b0ee9bf3a1f0f7e but i don't know what header file to include. Why is there not...
View ArticleException on training RTrees with categorical data and categorical responses
Hi all, I get the following exception when trying to train an RTree with categorical data and more than two different categorical responses:> OpenCV Error: Assertion failed (sum > 0) in...
View ArticleHow to create multiple VideoCapture Obejcts
I wanted to create multiple VideoCapture Objects for stitching video from multiple cameras to a single video mashup. for example: I have path for three videos that I wanted to be read using Video...
View Articleimwrite with unicode path Windows
Hi Is there any way in Windows MFC to give a non-ascii file name to imwrite? cv::String appears to be internally represented by char*and Unicode in Windows is UTF-16. Is there a way to convert an...
View ArticleHow the value levelWeigth is calculate by detecMultiscale?
Hi, I understood that levelWeight can be used to have a value of confidence of detection quality, but i can't understand how this value is calculate. someone can explain me? thanks!
View Articlehighgui.VideoCapture buffer introducing lag
Dear all, I am working with a Beaglebone Black, creating a project for future usage in a differente machine with lower capabilities. Problem is I have a timer working on kernel which pulls a triger...
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