Articles by Sebastian

C & C++

Birds Eye View / Homography using OpenCV

When I looked for a small example for a homography transformation using OpenCV in order to provide a birds eye projection of an image. I did not find an appropriate ones, hence, I combined a number of motivating introductions and code fragments in an illustrative small program. It can be adapted for your actual purpose…


Matlab – 3D bars arrays without empty elements

bar3 is an useful command to illustrate multi-dimensional distributions. If the colors of the beams represent its value, the diagram gives a good overview. But the code examples given in the Matlab help work just fine for matrices without “0” elements. The following figure shows a bar3 diagram that includes values from 0 to 7….