THE VIDEO SHELF · fourier optics
Fourier Optics used for Optical Pattern Recognition
Huygens Optics explains the Fourier transform and shows how a lens performs one optically. A DLP projector is used as a Fourier filter to do simple pattern recognition on lithographic character patterns.
Why HN readers recommended it
Recommended as one of the best explanations of Fourier transforms and a clear demo of analog optical computing.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- Huygens Optics
- Topic
- fourier optics
- Format
- explainer
- Level
- intermediate
- HN recommenders in dataset
- 5
- HN mentions in dataset
- 9
- Recommendation years in dataset
- 2021–2025
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
I was introduced to this idea in a really cool video about using Fourier Optics for optical pattern recognition.[0] The video happens to have one of the best explanations of Fourier transforms I've yet encountered. [0] [VIDEO]
jstrieb on Hacker News · 2021-09
In Moiré No MoreFor a somewhat related topic (analog image recognition), for those interested, I can highly recommend this video: [VIDEO]
orlp on Hacker News · 2022-06
In Photonic Chip Performs Image Recognition at the Speed of LightReminds me of this really cool video about using Fourier Optics for optical pattern recognition.[1] The video happens to have one of the best explanations of Fourier transforms I've yet encountered. 1: [VIDEO]
jstrieb on Hacker News · 2022-08
In AI-designed camera only records objects of interest while being blind to others
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.