Category Archives: OpenCV

Computer vision research is not the same since OpenCV appeared some years ago. It’s an amazing work which is held by a passionate community. Here I will post some of the tricks and best practices I’ve learnt with the years.

Docker image with OpenCV with X11 forwarding for GUI

Hi! Docker is very cool. You can use it to build applications in isolated environments (e.g. some Ubuntu distro you like, with some specific OpenCV version installed in it), pack the entire OS and app into an “image”, and ship … Continue reading

Posted in Computer vision, OpenCV | Tagged , , , | Leave a comment

Pre-loading video images in std::vector

Have you ever thought to load all images of a video file into a std::vector just to see if your program gets faster than to iteratively read the images from the file? Well, I did. The hypothesis is that accessing the … Continue reading

Posted in OpenCV | Tagged , , | Leave a comment

Using OpenCV 3.0.0alpha with CMake in Windows 7

Hi all, I was just curious about how much effort would take to download, install and try the OpenCV 3.0.0alpha version that has been around for a little while (http://opencv.org/opencv-3-0-alpha.html). The motivation is that it looks that we will have … Continue reading

Posted in CMake, Computer vision, OpenCV | Tagged , , | Leave a comment

Source code Inverse Perspective Mapping C++, OpenCV

Hi all, Today I bring a very simple code that might be of interest for some of you. It is a C++ class to compute Inverse Perspective Mappings (IPM), or sometimes called bird’s-eye views of a planar surface. The link … Continue reading

Posted in ADAS, Computer vision, OpenCV | Tagged , , , , , | 43 Comments

Mastering OpenCV with Practical Computer Vision Projects [eBook]

Hi all! OpenCV is a must when talking about computer vision, rapid prototyping, and open source solutions. Many people is interested in learning OpenCV, but sometimes it is a little bit tricky to find the correct way to use the … Continue reading

Posted in OpenCV | Tagged , , , , | Leave a comment

Stereo visual odometry using OpenCV

Hi all! One of the latest works we (Vicomtech-ik4) have been working on is related to stereo visual odometry. I already posted some preliminary results some time ago, but now I come with some new material. We have completed our … Continue reading

Posted in Computer vision, FP7, OpenCV | Tagged , , , | 7 Comments

Source code for SIFT, ORB, FAST and FFME for OpenCV C++ for egomotion estimation

Hi everybody! This time I bring some material about local feature point detection, description and matching. I was wondering which method should I use for egomotion estimation in on-board applications, so I decided to make a (simple) comparison between some … Continue reading

Posted in Computer vision, OpenCV | Tagged , , , , , , , , | 52 Comments