slit scanning
HoldTechniques
An imaging method that builds a picture from a narrow slit or column captured over time.
Why it's here
Placed in Hold: 1 article(s) of evidence from 1 source(s), led by research-stage coverage, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 3Hacker News·8/18/2026researchUsing railway motion as a flatbed scanner
The article describes a project that uses an industrial linear scanning camera to capture ultra-wide images from moving trains and ferries by stitching successive vertical slices into a single frame. The author discusses the technical challenges of compensating for motion and producing cleaner scan-line images, drawing on prior scanning-back and slit-scanning techniques.