OpenCV4Android Circular Object Tracking
I am new to OpenCV and trying to track a circular object using find contours on Android using 3.1.0. I am following the sample color blob detector to write the code, but the drawContours() function...
View ArticleWhere To Discover Joomla Developers On The Internet At This Time
Are you currently requiring a specialist website designer? Then, it is advisable to think hard about working with a Joomla web developer. There are many reasons why you would like to hire a Joomla...
View ArticleThe Best Nintendo DS Emulator On IOS Does Not Need A Jailbreak
All the best hardware and app reviews tҺᥱ οther ɗay οn TUAW Аn application ᴡhich allows someone tо emulate a game οr computing platform. Аn emulator ϲan bе սsed tο mimic tɦe behavior оf a single...
View ArticleMatching the feature points
I have 2 vector of keypoints like this: vector points; vector keypoints; fea.detect(t,keypoints); goodFeaturesToTrack(t,points,100,0.001,8,CV_8UC1,5,false,0.04); I need to store those keypoints which...
View ArticleWant Reliable Information About Rug Cleaning ? Check Out These Wonderful...
You've noticed the advertisements and commercials. You've heard of them from recommendations. Just about everywhere you convert, a person or anything is referencing upholstery cleaning professional...
View ArticleBest Approach to key point /descriptor comparison
I have over 200,000 images and have written some code to find one image (which can be different in scale, color, etc) in the group of 200,000. I generate SURF key points and descriptors. I then save...
View Articlehow can i put text on image using opencv puttext function
hello guys I am working on visual studio 2010 and opencv-2.4.9 and i want to put unicode text on image using puttext function but puttext function not working properly with unicode...
View Articleimshow shows black screen
I did create a project where everything was running as intended. Then I reinstalled my system, copied the project and I get black screen when showing any frame of proccessed video. My simple code:...
View ArticleWhen will all feature detectors be implemented in opencv 3?
Hi, OpenCV 3.1 is the first version I am working with intensly. I wanted to compare all available feature detectors and use the winner with flann. However, is seems that only ORB, KAZE, AKAZE and...
View ArticleInformative websites related to OpenCV
i think it will be useful if we add links of informative websites related to OpenCV here. Lets create a list together. Last addition : http://hanzratech.in/categories/opencv/ [**check what added to...
View ArticleHigh `cv::solve` error if trained on single line
I use `cv::solve` to solve two dimensional linear regression. If the training data happen to be on single line (that is, `y` is equal for all training variables, then the extrapolation produces large...
View Articleunresolved external symbol : xfeatures2d problem with SIFT
Hi, I've a problem related to SIFT, when I try to build my program I got this error unresolved external symbol public static struct cv::Ptr regarding to opencv librarries I have defined these two only...
View ArticleHDMI source
I would like to work with openCV with a HDMI source (not a camera) , is it possible ? and what is the required hardware , knowing that i want to work on an embedded device. the HDMI source is not...
View ArticleProgramm chrash after using my cascade
Hi, I am pretty new to Open/EmguCV and therefore pretty clueless about my problem. I have created my own cascade along to the many tutorials found online, But when it comes to using it, I fail. I am...
View Articlebasic OpenCV operations not working in beaglebone black
Hi all! I am new to OpenCV and BeagleBone Black. I have installed all libraries in beagle bone black but when i try to run following code: // Test to convert a color image to gray // Build on Linux...
View Articlecuda::meanShiftSegmentation - Assertion Failed Error
Hi. I'm new to using CUDA with OpenCV so this might be a very simple error but I'm kinda stuck. My code is the following: #include #include #include #include #include using namespace cv; int main( int...
View ArticleHow to set the OpenTLD parameters
I use the version of [arthurv](https://github.com/arthurv/OpenTLD) But I run worse than some video on internet. If I turn my head about 60 degree, it will be lost. And it can't re-recognize my face. I...
View Articleunknown cmake command "ocv_define_module"
when i build opencv_contrib,it shows the error "Unknown CMake command "ocv_define_module". Cmd:cmake -DOPENCV_EXTRA_MODULES_PATH=D:/dev/open-cv-sdk/opencv_contrib-master/modules...
View Article'cv::Exception' in calcOpticalFlowFarneback
There is an exception in running the below : When I debugged I found that the code is crashing in the function call calcOpticalFlowFarneback(). I have just run the sample code written below. Could...
View ArticleCannot open file opencv_hal310d.lib
Hello, I am trying to work on a project in windows which was originally created in ubuntu. I build the opencv3 libraries with VS2013. There is no reference in my code to opencv_hal that I can find but...
View Article