Author Archives: Marcel-Jan Krijgsman

Using Stable Diffusion to create images for a presentation

Have you heard about text-to-image models like DALL-E 2, Stable Diffusion and MidJourney? These are AI algorithms that take in text (the “prompt”) that describes what kind of picture you want as input and as output the algorithm creates that … Continue reading

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The blog is back

Well, that was scary. Just before I went on holiday I switched providers for my marcel-jan.eu domain. And while I had some time build in before going on vacation, there were problems with the transfer code not working. Because apparently … Continue reading

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I started vlogging about data mesh (and other things)

Last June I made a short video while walking in the park next to the DIKW Intelligence office. And I posted it on LinkedIn. To my surprise it did very well. So I thought: why not make more of these … Continue reading

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Adding the track of my bike ride on a Folium map

Having markers of videos and photos taken during my bike ride is cool and all, but how about having a track of the bike ride itself? All my bike rides are registered on Strava, the cycling and running app. Strava … Continue reading

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Photo locations, marker icons and displaying photos on my map

When I was finished last week with creating my video location map in Python, I thought “shame I can’t plot photo locations”. That’s because my Fuji X-T30 camera doesn’t store GPS info. When I bought the camera I assumed every … Continue reading

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Making my video location map even better with Folium

Yesterday I shared how I plotted locations of videos shot with my Sony FDR-X3000 camera on a map. I was already pretty happy. Then I got a tip from Twitter user Bob Haffner (@bobhaffner): why not use Folium to create … Continue reading

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Plotting video locations from my Sony camera in Python

Two years ago I bought a Sony FDR-X3000 actioncam to record video on my bike rides. And I’m really happy about it. It’s just great reliving my rides in 4K, going downhill for kilometers from some col I climbed. I … Continue reading

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Actually, you do security to stop these guys

Today I am studying for the Microsoft Certified: Azure Data Engineer Associate exam. And currently I’m going through some dry stuff on database security. Today I also read this article on Krebs on Security about the LAPSUS$ hackers who stole … Continue reading

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Handling far future dates in pandas

Recently I got the request to add specific data quality metadata with csv datasets that my client delivers to customers. It was very simple. Just counts, min, max and -in case of integers – sums per attribute. Not a difficult … Continue reading

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