Submission timeline
2007–2026One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.
First comments on top threads
HN comment orderIf you want to know all the details, the spec itself isn't too hard to understand either, and comes with a bunch of flowcharts on how to decode the Huffman tables and the run-length codes for each DCT block: https://www.w3.org/Graphics/JPEG/itu-t81.pdf I highly recommend writing a JPEG en/decoder as an exercise in coding; getting to the point of being able to decode almost all the images you probably have or can find on the Internet shouldn't take more than a few…
I learned the the theoretical workings of jpeg in school in the early 2000. I personally think it is easier to comprehend the different stages coming from an original picture (Bitmap). But this article illustrates again what we all just take for granted. I had the luck to learn about all the then major image types (jpeg, gif, tiff, bmp and png) in school plus the compression algorithms behind them. But I only learned about image types (Media Design school…
Previous discussion: https://news.ycombinator.com/item?id=19799650
The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.
- Breakout years
- 2
- Total points
- 515
- Total comments
- 47
100+ points or 50+ comments
reference only — not used in Hall rules or ranking
reference only — not used in Hall rules or ranking
Every submission
| Date | Title as submitted | By | Points | Comments |
|---|---|---|---|---|
| 2019-05-01 | Unraveling the JPEGFirst breakout · Best thread | catacombs | 399 | 41 |
| 2021-04-22 | Unraveling the JPEG (2019) | WayToDoor | 1 | 2 |
| 2022-03-08 | Unraveling the JPEG (2019)Latest 20+ point return | bb88 | 109 | 4 |
| 2023-06-22 | Unravelling the JPEG | whereistejas | 4 | 0 |
| 2024-01-26 | Unraveling the JPEGHall induction | throwup238 | 1 | 0 |
| 2025-05-14 | Unraveling the JPEG (2019) | Tomte | 1 | 0 |