cv::ml not compiling in opencv 3.0
I downloaded, built, and installed OpenCV 3.0.0 on Ubuntu 14.10, 64-bit. I have a C++ project in NetBeans that compiles, links, and runs. I am now trying to follow the tutorial here:...
View ArticleOpencv 3.0 contrib Java
I want to use the BackgroundSubtractorMOG from the opencv_contrib but seems like some modules are no ready for Java. Are all extras modules available for Java? am I missing an step? I follow this...
View Articlev3 python bindings missing artificial neural network load method
Hi, I've been using artificial neural nets with cv2 within python for a while. Previously, in the v2.x bindings, there was a load method (to load an output ANN saved via the corresponding save method)....
View ArticleWhy detected 2 contours and 2 moment?
Hello, after testing and debugging the code for ImageTest.png using this [code](http://docs.opencv.org/doc/tutorials/imgproc/shapedescriptors/moments/moments.html) I realized that the countours...
View ArticleMultiblock Local Binary Pattern in object detect module confusion.
Hello. Recently I was following the original [paper](http://sdpy.googlecode.com/svn/tags/temp/unsorted3/to_delete/tmp/unsorted/to_remove/research/my_papers/phdthesis/review/survey/MB-LBP/fulltext.pdf)...
View ArticleIs there a 'c/cpp header file' alternative to OpenCV XML/YAML file storages...
I have implemented object detection in Android NDK using jni and [stevehavelka's assetbridge](https://bitbucket.org/smh377/assetbridge) where the cascade is loaded as follows: Ex. if...
View ArticleI wrote a c++ class with business logic for image manipulation in...
1. Created a c++ CLR dynamic library in Visual Studio.Net 2013 2. Added opencv to the project environment settings 3. Created a c++ class with business logic for image manipulation operations using...
View ArticleMoment and Archlength return values - confused
Hello, I had used the moment coding together with the arch length [code](http://docs.opencv.org/doc/tutorials/imgproc/shapedescriptors/moments/moments.html) and found out the number do not match what...
View Articlehow do i configure opencv with code blocks in ubuntu
i am using ubuntu 15.04, installed opencv 3.00 ,i have latest version of code blocks with me,
View ArticleGaussianBlur and Canny execution times are much longer on T-API
Hello. I've just started to learn OpenCV 3. I'm on OS X Yosemite. Here's my clinfo in the GPU part: Device Name GeForce GT 330M Device Vendor NVIDIA Device Vendor ID 0x1022600 Device Version OpenCL 1.0...
View ArticlecameraBridgeViewBase Pausing Callback/Green Screen during Resume
Hi There! I am using cameraBridgeViewBase to capture a frame, processing the frame, and drawing it onto the canvas of cameraBridgeViewBase for display for 5 seconds before repeating the process again....
View ArticlePossible memory leak cause - Videocapture ??
I am trying to use opencv for simple image capture and saving the image. I am fairly new to OPENCV and currently using 2.4.11 version. It has been noted whenever i close my camera and open it - i...
View ArticleHow to speed up seamlessClone? (incredibly slow)
Hi, I am using seamlessClone to integrate a logo into a video and it is incredibly slow. Actually creating a video with 1000 frames with a resolution of 1280 x 800 takes 30 seconds. While using...
View Articlecannot download 3.0.0 on windows
I have trying for 3 hours. after the download process goes through five or six different sites, I get a message thanking me for downloading but I never get the file.
View ArticleERROR OPENCV 2.4.11 WITH QT 5.5 WINDOWS 8 X64
Dear friends I'm using Windows 8.1 X64, Qt 5.5 and OpenCV 2.4.11, but compile the project into 32 bits. I wonder why this happens, and if anyone has any solutions. I thank the understanding of all ......
View ArticleHow can I filter contour lines and draw/erase shapes
Hello! Firstly I must admit the title it is not good. I hope that you can help me solving my problem and chaging the title. After doing image processing I got this output: ![image...
View ArticleDetect laser on shooting target
Hi. I building a laser shooting target. A photodiode detects the shot by its modulation, and a camera detects its position (during the 15ms it is on). Since im new to C++ and OpenCV, I just thought it...
View ArticleLNK1104: cannot open file 'python34_d.lib'
This happens on windows with VS 2015 doing a debug build of opencv 3.0 with python 3.4 bindings. The release build is ok (well, after removing the opencv_perf_core and opencv_test_core projects, but...
View ArticlePose estimation: solvePnP and epipolar geometry do not agree
Hi, I have a relative camera pose estimation problem where I am looking at a scene with differently oriented cameras spaced a certain distance apart. Initially, I am computing the essential matrix...
View ArticleUse OpenCV to detect text blocks send to Tesseract iOS
How can I use OpenCV to detect all the text in an image, I want to to be able to detect "blocks" of texts individually. Then pass the the recognized blocks into tesseract. Here is an example, if I were...
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