Error in Building cvv module of contrib
Hello, I am trying to build the contrib module cvv of opencv 3.1. But i get a linking error as given below [ 88%] Linking CXX shared library ....\bin\libopencv_cvv310.dll...
View ArticleNot able to build the cvv module in contrib
Hello, I am trying to install the contrib module for opencv 3.1. But the cmake gui is not able to include the cvv module in the configuration step. The output of configure in cmake 3.5.2 gui is given...
View Articlei am implement face detection in opencv android but when i run the open...
This is the code **mOpenCvCameraView = (JavaCameraView) findViewById(R.id.show_camera_activity_java_surface_view); mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);...
View ArticleWhat is the optimal OpenCV setup on the Raspberry Pi 2?
I've had quite bad performance in the past running OpenCV applications on the Pi running a stripped down Debian install. (Usually applications would run single threaded, which would create a rather...
View ArticleLocality Sensitivy Hashing in OpenCV for image processing
This is my first image processing application, so please be kind with this filthy peasant. **THE APPLICATION:** I want to implement a fast application (performance are crucial even over accuracy)...
View ArticleCorrect dealocation of streams in GPU memory
The following code creates one stream. nvidia-smi shows that 76 megabytes on GPU-memory are needed. What is the correct way to close the stream and free the memory? int main(int argc, char** argv){...
View Articlelooking for a robust face recognition method
I am looking for a method that does not need thousands of images, with various illumination levels. Maybe something like this : https://espace.library.uq.edu.au/view/UQ:151921/ivcnz07lovellpaper1.pdf...
View ArticleBag of Words without using OBJECT CATEGORIZATION functions
Hi! Does anyone know how to implement BOW clustering and obtaining the histogram BUT without using the BOW classes in OpenCV? * I am using a OpenCV plugin inside Unity and it doesn't contain this BOW...
View ArticleAverage meansurements of CEDD + FCTH + SURF + Tamura + Haralick results
How can I measure an average of all metrics together? For exemple: Assume that we have the following values: To each image, we have values to features extrated, and the below numbers are Euclidian...
View ArticleGet Support Vectors from SVM XML file
I am using Python to train a SVM on features extracted using the HoG. I have extracted all the HoG features, trained the SVM and saved the results in an XML file. Now I need to get the Support Vectors,...
View ArticleSome History Relating to the World Series Of Poker
A World Series Of Poker is a a lot of hoped for and crowning event on the globe with poker. It’s been with us with regard to such a long time and it is history has been clouded as a result of its...
View ArticleElapsed time counter
Hi I want to display elapsed time in minutes and seconds while detecting a face from webcam . I have tried this : char str[200]; double t = (double)getTickCount(); t = ((double)getTickCount() - t) /...
View Articleforum problem
Hi, this afternoon forum was in maintenance and now when I press on house icon (left to ALL button) page is redirected to http://5.9.49.245:81/ Sometimes login is lost too... answers.opencv.org is now...
View ArticleBackground Subtraction using running average in opencv
Hi, everybody ! i used Background Subtraction using running average, but i can't runnn ! thank you so much !! #include "opencv2/opencv.hpp" using namespace cv; int main() { VideoCapture cap(0); //...
View ArticleI want to detect an "asterisk"
I need to be able to detect an asterisk in a box.So far, I can already find the box. I just realized that asterisks come in many shapes and sizes. Will tesseract do the trick in text & symbol...
View ArticleJava Opencv 3.1 can't open rtsp streaming.
I tried to open rtsp streaming with Opencv 3.1 and Java. But it doesn't open. Meanwhile, I can open a local video with the same code. I also tested the same code with Opencv 2.4.9. there was no...
View ArticleOpenCV on iOS ability to detec body muscles and joints
Hello - My company has used Microsoft Kinect trying to capture body movements and identifying different muscles and joints. However, there are drawbacks with Kinect - needs to be indoors environment,...
View Articleopencv_traincascade to train in different colorspace
I am trying to modify the [opencv traincascade](http://docs.opencv.org/2.4/doc/user_guide/ug_traincascade.html) source which is used to train the cascade classifier to detect objects. The original...
View Articleusing detectMultiScale on specified coordinates and size
Hello everyone,how can i use the detectMultiScale method on a single specified location of specified size?I tried using it with same Size(x,y) parameters but it doesn't detect anything although i know...
View ArticleOverhead Videos of Pedestrians
Hi, I am developing a system which counts the number of people who enter a building each day, but It's proving difficult to find videos to test on. I am looking for videos from the perspective of a...
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