? PCA For Face Recognition: OpenCV

I am Working on Face Recognition using OpenCV c++: I have tested the code OpenCV provides for PCA: It returns me Eigen Vectors and Mean, But how can i use that to test an image for Recognition?I read
 ? Introducing delay in live stream using opencv boost

I am trying to create a delay in live stream obtained from webcam. I am using opencv. However, i am unable to generate the desired delay. I am confused how to set and handle FPS and delay. below is my
 ? How to access pixel values of CV_32F/CV_64F Mat?

I was working on homography and whenever I try to check the values of H matrix (type CV_64F) using H.at<float>(i, j) I get random numbers(sometimes garbage value). I want to access pixel values
 ? Edge Detection in OpenCV

We have written a code for edge detection in OpenCV java where the background for the image would be plain white to increase accuracy. We have added the following functions for the edge detection part
 ? Kurento - Blurness in the Remote stream stored images

What I did:I am using Kurento Media Server to store the video streaming frames in the server. I can store the frames in the server by using opencv-plugin sample. I am storing the video frames in the b
 ? NVIDIA CUDA Toolkit 5.0 Visual Profiler "Enable concurrent kernels profiling" application requirements

OS: Windows 7 64 bit Compiler: Visual Studio 2010 Professional Driver: 306.23Device: GeForce GTX 680 or GeForce GT 650MI'm using CUDA Toolkit 5.0 because I need to use the new feature of the NVIDIA Vi
 ? OpenCV Stereo Calibration (example code questions)

At the moment I am implementing the calibration method(s) for stereo vision. I am using the OpenCV library.There is an example in the sample folder, but I have some questions about the implementation:
 ? How to Display a 3D image when we have Depth and rgb Mat's in OpenCV (captured from Kinect)

We captured a 3d Image using Kinect with OpenNI Library and got the rgb and depth images in the form of OpenCV Mat using this code. main(){ OpenNI::initialize(); puts( "Kinect initialization.
 ? Finger/Hand Gesture Recognition using Kinect

Let me explain my need before I explain the problem.I am looking forward for a hand controlled application.Navigation using palm and clicks using grab/fist.Currently, I am working with Openni, which s
 ? Noisy kinect color (rgb) images

i'm using opencv interface (http://docs.opencv.org/doc/user_guide/ug_highgui.html?highlight=kinect) to get color (rgb) and depth frames from a kinect camera. For a standard VGA 640x480 resolution and
 ? Reading the Color Image from Kinect sensor into cv::Mat

I have a simple problem:I hate having a RGB picture stored in an array and want to get it into an cv:Mat.I have already done it with the Depth Image from the Kinect sensor like this:VideoFrameRef lDep
 ? Coordinate mapping from left or right IR image to depth - R200 Intelrealsense

the community has already helped me to guide me in this project.I am working with the R200 camera, Visual studio 2015, C ++, Windows 10 and OpenCV 3.1.I currently do the image preprocessing separately
 ? How to access web- or usb-cam on Desktop and build in camera on Android in a Gluon Mobile Project using OpenCV?

I'm using Gluon Mobile 4.0.0 in Eclipse and I want to write an image processing application for Desktop and Android. I need to have direct camera access on both platforms and I would prefer using Open
 ? How to access web- or usb-cam on Desktop and build in camera on Android in a Gluon Mobile Project using OpenCV?

I'm using Gluon Mobile 4.0.0 in Eclipse and I want to write an image processing application for Desktop and Android. I need to have direct camera access on both platforms and I would prefer using Open
 ? How to access web- or usb-cam on Desktop and build in camera on Android in a Gluon Mobile Project using OpenCV?

I'm using Gluon Mobile 4.0.0 in Eclipse and I want to write an image processing application for Desktop and Android. I need to have direct camera access on both platforms and I would prefer using Open
 ? OpenCV: How to get inlier points using findHomography()/findFundamental() and RANSAC

OpenCV does not provide a RANSAC-function per se or at least in such a form that you can just call it and be done with it (e.g. cv::ransac(...)). All functions/methods that are able to use RANSAC have

Page 1 of 120  |  Show More Pages:  Top Prev Next Last