Risto Ojala - Captain's log

Risto Ojala

Captain’s log

18 Feb 2023

Data Recording Unit for SfM-based Mapping

For a while now, I’ve wanted to utilise structure from motion (SfM) methods for some computer vision applications....
10 Dec 2022

Gyroscope Visualisation over WLAN with ROS

I’ve been planning a project in which I would utilise gyroscope data, so I decided to play around a bit with a bre...
04 Nov 2022

Jetson Nano and IMX219 Stereo Module: Stereo Vision with OpenCV

In my previous post about setting up the IMX219 stereo module with the Jetson Nano, I claimed that extracting depth maps...
01 Oct 2022

Analysing Azure: Automated ML

After a friend talked to me very highly of Microsoft Azure and their ML studio, I finally decided to grab their free tri...
27 Sep 2022

Testing Out IMX219 Stereovision Camera with Jetson Nano

I’ve always been a sucker for using CSI cameras with SBCs, they are my go-to solutions when experimenting with Ras...
28 Jan 2022

When You've Changed One Too Many Wheel Bearings with Hand Tools...

My colleague’s car didn’t pass the inspection due to a worn-out wheel bearing. Like a true engineer, he want...
24 Sep 2021

Video Streams with Simple RTSP Server, FFmpeg, and Wireguard

In my tinkering projects and research, I’ve often had to setup cameras to provide video stream over the “glo...
30 Jan 2021

What's Going on Here?

You’ve managed to stumble upon my blog, welcome! This blog is my attempt to maintain some kind of documentation ab...