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Line Scan Photos from MUNI Heritage Weekend in San Francisco

61 points plun9 1 day ago 8 comments

dllu 19 hours ago | parent

OP here, ask me anything! I've also written about the process previously:

- Line scan camera image processing: https://daniel.lawrence.lu/blog/2025-09-21-line-scan-camera-... Previous discussions:

  - https://news.ycombinator.com/item?id=44996938

  - https://news.ycombinator.com/item?id=46383593

  - https://news.ycombinator.com/item?id=46388084
- Standalone line scan camera hardware: https://daniel.lawrence.lu/blog/2026-06-12-standalone-cnc-li...

- Line scan camera image processing 2: https://daniel.lawrence.lu/blog/2026-08-02-line-scan-camera-...

plun9 18 hours ago | parent

oh ok

0xfaded 26 minutes ago | parent

Very cool.

I never thought about it until seeing these, but line scans yield an orthographic projection in the scan direction. There was a little bit of uncanny valley being able to see parts of the front/back of the car that would have normally been compressed out occluded by perspective.

Goatsgiats 18 hours ago | parent

These are really lovely.

gerikson 44 minutes ago | parent

Very cool images!

What lens are you using? Does it have to cover 135 format?

muststopmyths 31 minutes ago | parent

beautiful !

phgn 20 minutes ago | parent

Woww so cool, thanks for sharing!