Michael Bertolami
bertolami.com · Personal blog · on HN since 2014
Michael Bertolami writes about data compression, coding agents and side projects, and describes the startup-like production of Star Wars.
What HN saysHN links his compression explainers, including an arithmetic coding post and a Fourier analogy, and a post on Claude's performance varying through the day.
15HN people shared it
4linked it in comments
37stories submitted
510story points
4 months agolast shared
2014people per year2026
Most-shared posts
- 1Perceptual Image Hashing3 people · 113 points · first shared 2014 · 34 comments on HN
- 220 Years of Side Projects3 people · 14 points · first shared 2016 · 1 comments on HN
- 3Context-Adaptive Binary Arithmetic Coding2 people · 36 points · first shared 2015 · 6 comments on HN
- 4Negative shift operands in C++2 people · 8 points · first shared 2014 · discussion on HN
- 5Claude Code's Insidious Progressive Intelligence2 people · 3 points · first shared 2026 · discussion on HN
- 6A Gentle Introduction to Data Compression1 people · 109 points · first shared 2014 · 15 comments on HN
- 7A Gentle Introduction to Randomized Decision Forests1 people · 81 points · first shared 2015 · 2 comments on HN
- 8The Knapsack Problem1 people · 24 points · first shared 2014 · 45 comments on HN
- 9Experiments with the Cairo Video Codec1 people · 11 points · first shared 2015 · discussion on HN
- 10Show HN: Basic Randomized Decision Forest (C++) that reaches 96.5% on MNIST1 people · 9 points · first shared 2019 · discussion on HN
- 11Tools for Video Codec Development1 people · 9 points · first shared 2016 · discussion on HN
- 12Neural Image Compression with Gemini 31 people · 8 points · first shared 2026 · discussion on HN
- 13The Making of Balls Away for iOS1 people · 7 points · first shared 2015 · 1 comments on HN
- 14Reviving the Dream: Microsoft Briefly Evaluated Dreamcast Emulation on Xbox 3601 people · 7 points · first shared 2024 · discussion on HN
- 15eBook of Logic Riddles That Ruined Technical Interviews in the 80s and 90s1 people · 7 points · first shared 2019 · 1 comments on HN
What HN people wrote when they linked it
parquor · 2026-01-29
Does this use a claude subscription or key, and has the account been used for anything else that day?
On HN a few days ago there was a post suggesting that Claude gets dumber throughout the day: https://bertolami.com/index.php?engine=blog&content=posts&deta…
freshtake · 2025-12-07
If you're only interested in the gist of the concept and how it can be applied to compression, without the mathematical rigor, here is my go to: https://bertolami.com/index.php?engine=blog&content=posts&deta…
tomjen3 · 2015-08-29
This seems to be the blog post mentioned at the bottom of the read me file:
http://www.bertolami.com/index.php?engine=blog&content=posts&d…
nayuki · 2015-08-29
Starting from this page: http://www.bertolami.com/index.php , I noticed that many links are implemented in JavaScript and do not support middle-clicking.