OpenCV 3.1 CUDA ERROR help me
Have a nice day. What is the solution for this error? OpenCV Version: OpenCV 3.1 Cuda Version: v8.0 Graphics Card: NVIDIA GeForce GT 650M 2 GB DDR3 Ram : 4 GB source code: #ifdef _DEBUG #pragma...
View ArticleGstreamer missing plugin
Hello, I'm getting following error. ``` OpenCV Error: Unspecified error (GStreamer: your gstreamer installation is missing a required plugin ) in handlemessage, file...
View ArticleMultiple video channels give same image?
Hello community, am working on a project involving realtime image processing of several consumer cameras on a normal computer. Since normal webcams can be problematic, I'm using an USB Video grabber...
View Articleload file in cv::rect opencv
I'm trying to compare code by plotting ground truth bounding box on images saved in a txt file in the following format 198,214,34,81 197,214,34,81 195,214,34,81 193,214,34,81 ... how can I load each...
View ArticleIs there a way to prevent rounding in opencv matrix divison
I have an integer matrix and I want to perform an integer division on it. But opencv always rounds the result. I know I can divide each element manually but I want to know is there a better way for...
View ArticlePython and C++ are giving different results for Hough Circle detection
Hi all, So I have implemented the same code in both C++ and Python. The code does nothing much, just reads a grayscale image, implements the hough circle detection algorithm and gives the output. Code...
View Article[Solved] find all the cards that are above and their center
Here is my situation .... it is only an example, I do not work with static image, I work with camera capture, but the strategy to use to get the result is very similar... **input :** ![image...
View ArticleOpenCV cheap stereo camera can't load both streams at once
I have purchased an [ELP-1MP2CAM001][1] which shows up as two webcam devices on Windows. If I open the Windwos default "Camera" app and Skype I can display the feeds from both the left and right...
View ArticleHow to use cv::flann (radiusSearch) to find all neighbouring points within...
I have a std::vector of a couple million points (cv::Point2d) and I'd like to find, for every point, all other points within a 2 pixel radius. Since my project already requires OpenCV, I thought it...
View ArticleHow can i use OpenCV algorithms in my project as a source code?
I have a Visual Studio C++ project which uses OpenCV algorithms and some dll files are placed near .exe file in order to make OpenCV functionality working. What i want is to remove all dependencies in...
View ArticleCalibrateCamera Windows Memory Exception
I'm trying to calibrate my video camera feed with the chessboard functions. calibratecamera and undistort functions but it always crashes on calibrate camera with a windows memory exception after...
View ArticleHow to use both OpenCV4Android and custom c++ opencv-based modules
I need using OpenCV Camera for Android to perform some recognition stuff with a specific custom c++ library writter using opencv source. There is a way to share the compiled libraries with my custom...
View ArticleC++ - Difference between Vec definitions
What is the difference between the definitions: 1) `vector lines` and 2) `Vec4i l` I found both these in the same code...
View ArticleIn k means clustering, how do I reconstruct just a part of the image?
I performed k means clustering. I have a few images with 3 different color. Now While reconstructing the image , I just want to reconstruct each color separately. For example, I have an image with red...
View ArticleWhich technique is better for text extraction from natural scene images
I want to extract the textual part from a scenic image leaving behind the background. For this, I found different techniques like SWT, MSER etc. Can Anyone tell me which techniques work better?...
View ArticleOpenCV configuration in Windows using Eclipse
Hi All, I am very new to this and i need to run an example code in the eclipse IDE. Can you help in achieving this or can anyone share if there is any document to refer? Actually i referred to the...
View ArticleI have an image which has black and another color. How do I check if it is...
I basically want to convert the image to hsv and then place boundaries. If it is within the given boundary it should print the color. For example if it is within the hsv region of red which I define,...
View ArticleIs anyone know how to use opencv 3.1 in eclipse ide? (windows 64bit) ive...
Is anyone know how to use opencv 3.1 in eclipse ide? (windows 64bit) ive searching for days now and still cant figure out how. Ive tried this method...
View Articlecolor detection of an image in opencv using c++
I have an image with a black background and some color. How do I print the color of the image in the console. I basically want to first convert the image to hsv and then by setting the boundary values...
View ArticleSobel edge detection Implementation
I am trying to implement sobel edge detection from scratch but my output can't seem to match with OpenCV's sobel function. I performed correlation on the image with the sobel operator in both x and y...
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