Neat. Long Train photos from a still camera here:
https://news.ycombinator.com/item?id=49127920
I've further improved my long trains scanning setup with:
* portable battery-powered enclosure with display: https://daniel.lawrence.lu/blog/2026-06-12-standalone-cnc-li...
* fine-grained distortion correction by manual annotation: https://daniel.lawrence.lu/blog/2026-08-02-line-scan-camera-...
Here's a recent Caltrain photo: https://commons.wikimedia.org/wiki/File:Caltrain_Stadler_KIS...
alt Hacker News
I've further improved my long trains scanning setup with:
* portable battery-powered enclosure with display: https://daniel.lawrence.lu/blog/2026-06-12-standalone-cnc-li...
* fine-grained distortion correction by manual annotation: https://daniel.lawrence.lu/blog/2026-08-02-line-scan-camera-...
Here's a recent Caltrain photo: https://commons.wikimedia.org/wiki/File:Caltrain_Stadler_KIS...