wich interface should I use?
I want to make some work on face recognition. OpenCV come with C, C++, Java and Python interfaces. I have some basic knowledge on Python and C++ ; and some good use of Java; so my first thought was use...
View ArticleOpenCV for Android with Visual Studio
I'm trying to use OpenCV with the NVIDIA Tegra in my Project Tango dev kit. It runs Android, which I have no experience with, but I'm very familiar with OpenCV. Fortunately, NVIDIA provides a program...
View ArticleFitting lines on small pixel clusters
Is there an existing function in OpenCV that allows line-fitting across the major axis of bright pixel clusters? (see below) I want to automate the detection of short filaments in a series of images. I...
View ArticleTrack foot contact on treadmill
What is the best approach on tracking weather a person's left foot or right foot is currently in contact with a treadmill using a camera from behind the treadmill?
View ArticleMethod to detect eye, nose and mouth
There is another method besides Haar to detect eye, nose and mouth in the image? Because I was using the Haar and when the face is up, it detects more than one eye, nose and mouth. Can someone help me.
View ArticleWhy OpenCV needs lots of Library files in JAVA? can you provides only one...
Please Provide the reliable option in OpenCV for using JAVA. Please don't missplace any library files from packages.. please provide it.... JAVA is independent language that is better way to develop...
View ArticleHow do I find out if kmeans terminated because of iteration count or precision?
Let's say I'm running kmeans on a dataset with a termination criteria on 100 iterations and epsilon of 0.01. Once the function returns, how do I find out which termination criteria was used to...
View ArticleHi, I am trying to use bowtrainer for image classification(opencv 2.4.6 +...
"OpenCV Error: Assertion failed (N >=k) in unknown function, file ..\..\..\src\opencv\modules\core\src\matrix.cpp, line 2717" Here is the code: cv::initModule_nonfree(); Ptr matcher =...
View ArticleAdding MatOfPoint items to ArrayList-shape detection for Android
I'm using Java bindings for detecting simple shapes on Android. Here's my code following the [OpenCV](http://opencv-code.com/tutorials/detecting-simple-shapes-in-an-image/) tutorial. However, I get a...
View ArticleInstallation problem : libopencv end by *.a?
I am successfully run example program in `opencv/build/bin` for example `opencv_test_core cpp-example-opencv_version`. My version is 3.0-dev. It looks find. But when I try manually without `make` . I...
View ArticleMenu items from OpenCV examples not showing on android-onCreateOptionsMenu
I'm running OpenCV examples on OpenCV 3.0 library, Eclipse Mars and Android target version 21. However, the menu items do not appear on my Android device. The relevant warning message is: Description...
View Article[Solved] CascadeClassifier.detectMultiScale crash on Mac OSX
I'm using OpenCV 3 on Windows, Linux and Mac. My program goes to crash when calling the function CascadeClassifier::detectMultiScale. This happens only on Mac but not on Linux, Windows. This is the...
View ArticleError Compiling Traincascade in OpenCV 3.0
Hi All, I am using Archlinux and successfully compile OpenCV 3.0. Then, I want to learn about traincascade and try to compile it via Eclipse. I've follow instruction how to use OpenCV in Eclipse, but...
View Articlehow to initialize the Tracker several times using opencv_contrib?
I am using opencv_contrib for TLD tracking. Firstly, I use one algorithm to detect moving objects with moving camera. Then I want to track the detected objects. Sometimes the objects may be out of...
View ArticleOpenCV4android library importing errors in Android Studio
**I am working in an android project using OpenCV4android library to detect circles/dots, in an image. But am getting errors when i run the code. The version of android and the errors are given...
View Article0 in function init"">opencv_traincascade throwing error "...lbpfeatures.cpp:17: error: (-215)...
Hello everyone. An internet search suggested that this was a bug that was patched in the past so I have no idea what I'm doing wrong to recreate this bug. I've tried it in 2.4.11 and 3.0.0. Running on...
View ArticleUnable to open mp4 video file with VideoCapture before and after recompiling...
It all started when I tried to run a program like this: VideoCapture cap; cap.open("GOPR3252.mp4"); if(!cap.isOpened()) { return -1; } I couldn't open the video, even though I tried to manually add the...
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Easy Steps To Assist You To Greater Fully grasp Audio Downloads
Technology has rapidly changed just how men and women go about undertaking things right now. Audio has really been transformed. One of the best method to get audio would be to download it. Should you...
View Articleinstalling opencv in ubuntu.
Hi , i want to install opencv in ubuntu 14.04 and the opencv version are 2.4.11 or 3. . i have error when make files. the error log is: In file included from...
View ArticleBrandon Colker Starting An On The Web Songs Retailer
My Leading 25 Region Tunes SongsThat night the angel of the LORD went out and set to dying a hundred and eighty-5 thousand guys in the Assyrian camp. When the folks obtained up the subsequent...
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