Subscribe to RSS feedOpenCV Examples for Operation on Images
Posted: May 25, 2008 | 1 comment.
Download these examples about OpenCV image operation basics. The package contains examples about: loading images, displaying images, retrieving image properties, converting the color space and accessing image's data. Read more
Template Matching with OpenCV
Posted: May 20, 2008
Template matching is a technique for finding small parts of an image which match a template image. Download this example on how to perform template matching with OpenCV. Read more
Display Video from Webcam
Posted: May 14, 2008 | 1 comment.
If you have a webcam attached to your computer, you can display video stream using OpenCV easily. Here's the basic code. Read more
Phase Correlation Function in OpenCV
Posted: Mar 14, 2008
Phase Correlation is a method to check the similarity of two images with equal size. It can be used for template matching, object tracking, motion estimation, etc. Read more
An Example on Using FFTW with OpenCV
Posted: Mar 14, 2008
Using FFTW to perform FFT operation in OpenCV is a good choice. This is an example on how to use FFTW with OpenCV. It simply loads an image, compute FFT & IFFT, then display the final result. The resulted image has no difference with the original, as it should. Read more
FFT with FFTW Example
Posted: Jan 2, 2008
FFTW is a collection of C routines for computing DFTs. It's very fast and freely available at http://www.fftw.org . Here's an example on how to compute the DFT of an array with FFTW and inverse the result back. Read more