compile and run basic opencv program in C in ubuntu linaro
I have installed opencv in ubuntu 14.04 embedded version for ARM Soc. platforme Parallella. I tried OpenCV with gcc and CMake documentation to run a basic C program. Iniatialy I need CmakeLists.txt...
View Articlestereo camera and depth map
Hi guys, I want to create a little robot with a stereo camera (2x logitech c270). I made single calibration on both cameras (obtaining an error of 0.40 / 0.60 with 40 images each) then a stereo...
View Articleerror: cannot convert ‘float*’ to ‘double*’ for argument ‘4’ to ‘int...
I will study CMake later. For now I will use everything in the same directory. I git clone the repo and put the example which I copy the website, name it as 'sarit.cpp'. My questions is : 1. Do you...
View Articlecapturing image using more than one camera
I want to capture image from 2 cameras connected to my laptop. when i run this code, it is compiled fine but it shows nothing. Pls fix this issue. #include "opencv2/opencv.hpp" using namespace cv; int...
View Articledistance between images, pixel by pixel
I'm need to calculate the euclidean distance between two `cv::Mat` images in a pixel by pixel manner. Is there a function that does this? Specifically, I need the result to be of the form diff[i] =...
View ArticleHow can we tell when the next version of OpenCV (ex. 3.0.1 ??) will be...
Good afternoon everybody, I'm planning on updating my OpenCV installation tutorial video and associated GitHub project, and I'm curious as to when the next version of OpenCV (which I'm supposing will...
View ArticleOpenCV manager opencv_java3.so symbols not found in native .so
Actually using the tutorial2 code samples. Used NDK to build a libtutorial2.so with no changes to source. Used suppled apk (OpenCV_3.0.0_Manager_3.00_armeabi-v7a.apk) to install cvmanager via adb. No...
View ArticleFunction to compute statistical moment using OpenCV.
Is there a function to compute the statistical moment in opencv ? I want to compute these moments, but i don't know what is the function or method used. Thanks
View Articlehow to read matrix from text file to Mat in opencv
Hi.. In my projec, I have to load matrix from a text file to MAt object in opencv. . Please help me in this regard.. eg 1 2 3 4 5 6 7 8 9 in text file. it should be loded to Mat
View ArticleImage descriptors to train SVM on
I've been processing some tags (circles, rectangles and blank) using a median blur, Gabor filters and increasing the contrast. The result, which seems to remedy most of the variation in lighting,...
View Articleeye blinks detection
Hi I have used the following code to detect face and eyes I need now to detect eye blinks . How it can be done I need some hints or tutorials Thanks #include #include #include #include #include...
View Articlefisheye::undistortImage() doesn't work. What wrong with my code.
First, I computed camera parameters with fisheye::calibration() and saved it as "fisheye0.txt". %YAML:1.0 IntParam: camera_matrix: !!opencv-matrix rows: 3 cols: 3 dt: d data: [...
View ArticleHow to configure opencv 3.0 with codeblock 13.12 - Win7
I new user of openCV and I am having troubles. I am using 'codeblocks-13.12mingw-setup.exe', opencv 3.0rc1 and window 7 64 bits. My steps until now was: - to extract the opencv to c:\opencv - to define...
View Articleopencv 3.0 with contrib installation guide
Hi there, I've tried a few different methods in order to install opencv 3.0 gold WITH the opencv_contrib modules (I would like to use the tracking ones in particular), none of which seem to work. Can...
View ArticleBuilding OpenCV 3.0 with OpenCV_Contrib for use with Facial Recognition in...
Hi, I have followed the steps (using gui version of cmake) shown [here](https://github.com/itseez/opencv_contrib) on how to build OpenCV with extra modules. My sole goal is to be able to use...
View Articleestimating camera position and pose using the java bindings
Hi, my first time post on here so go easy ;) ive been playing around for a week or so with OpenCV using the Java bindings and havnt managed to do what ive been trying too through maybe lack of...
View Articlepackages error ubuntu 14.04 opencv 3.0.0
linaro@linaro-nano:~/nourelhak/opencv/samples/cpp$ sudo apt-get install libpango1.0-dev Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not...
View Articlerun error opencv 3.0.0 on Ubuntu 14.04
Can you help me understand what wrong exactly and what should I do? linaro@linaro-nano:~/opencv/samples/cpp$ ./cpp-example-facedetect lena.jpg This program demonstrates the cascade recognizer. Now you...
View ArticledrawContours vector
Hello forum, I have a vector of class Object , each containing a single contour. vector People; Class Object { private: vector contour; public: vector get_Contour { return contour; } }; I am having...
View ArticleTrain dataset for temp stage can not be filled. Branch training terminated."
I am trying to detect logos in flat, 2 dimensional images (advertisements). ---------- Setup- Positive Image [#1](http://imgur.com/8Hg0JvM&tkU7cZ2) and [#2](http://imgur.com/8Hg0JvM&tkU7cZ2#1)...
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