tesseract-ocr spacing problem
I am using tesseract-ocr portable version exe with psm 3 to run the rectangle of bitmap for my images. The problem is it has incorrect spacing for some words(e.g. "this group" becomes "thisgroup"). I...
View ArticleOpencv compilation with different avcodec lib
I'm trying to compile Opencv on my tegra K1 board and don't want to use opencv4tegra. The Ubuntu that is on my tegra has 2 libavcodec libraries installed: /usr/lib/arm-linux-gnueabihf/libavcodec.so.54...
View Articleopencv 3.0.0 and cvblob not working
Hello, I have been struggeling on this issue for some time, i like to use cvblob in my c++ aplicication (windows) but I get a lot of linker error on functions like cvRenderBlobs, cvLabel,...
View ArticleOpenCV 3.0 with Python 3.2.5 on Windows
I am having a problem with the installation of the Python bindings using Python 3.2.5. If I select BUILD_opencv_python3 in CMake, then Python 3.2.5 is rejected (version too old). I can generate and...
View ArticleConditional jump or move depends on uninitialised value(s) from Valgrind for...
I have a small test code for LK tracking that I am running with OpenCV 2.4.11 #include #include #include int main(int argc, char ** argv) { // Draw two white squares on a black background, // shift...
View ArticleOpencv3 and Python 2.7 on Virtual Enviorement - AttributeError: 'module'...
I have python function with opencv 3. it is normally working without virtual enviorement.Also I installed opencv on venv...
View ArticleUsing Kinect with Opencv 3.0.0
Hello I am trying to get disparity maps from a Microsoft kinect for xbox 360. I have opencv 3.0.0 and openni2 with libfreenect installed. When I run my code #include "opencv2/opencv.hpp" using...
View ArticleWhy does Vis3d::spin() complete instantly without user input?
I have written the most basic of Vis applications. In essence, here is the main(): viz::Viz3d myWindow("Coordinate Frame"); myWindow.spin() When I execute this program, the spin method completes...
View ArticleBest method for breath tracking
Hey All, I'm making a windows application that does breath tracking with a standard webcam. It detects when the user is inhaling, exhaling, and resting, and eventually I'd like to get more precise...
View Articlecv2.so missing on ubuntu
I'm trying to install opencv 3 with python 2.7 bindings on ubuntu 14.04. I mostly followed the steps described...
View ArticleHow to use with NI-IMAQ c++?
I have a frame grabber from National Instrument to connect camera from photon focus. How can I use opencv to access the camera using Microsoft visual studio?
View ArticleCascade classifier training with HOG and different-scale blocks
Hello everyone, first question for me so be patient! =) I'm working on a project related to pedestrian detection and i started from the Histogram of Oriented Gradients from Dalal et al; we have...
View ArticleDisplay webcam input in window
I'd done build a window to display input image using multithreading. But now I'm stuck, how can I display image in this window (as in figure attached here) since I'm using OpenCV.  program provided by OpenCV to get the bounding box...
View Articlegiven four points to calculate the size of the area
I use Calib3d.findHomography with RANSAC to get four points of the detected area and I can draw the bounding box. Here is the question: given these four points, how can I calculate the size of the...
View ArticleTime delay in VideoCapture opencv due to capture buffer
I use a camera to get frames continuesly.In my code,i have use VideoCapture to do that. But when i debug,i find that the frame i got is the old frame. I have asked some guys, they told me that some old...
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