Part 5 of the CollectorVision series. Part 1 has the overview. The browser scanner runs the entire pipeline — corner detection, perspective warp, neural embedding, catalog search — inside a web page, with no server. It's hosted at https://hanclinto.github.io/CollectorVision/.…
Read more →Part 4 of the CollectorVision series. Part 1 has the overview. This post covers the practical side: installing the library, running it against a webcam, and the REST server. Post 6 goes deeper into the deployment split — when to run everything locally versus offloading catalog…
Read more →Part 3 of the CollectorVision series. Part 1 has the overview. After Cornelius finds the card and the perspective is corrected, you have a clean 252 × 352 crop. The next problem is figuring out which of 108,000 cards it is. --- Why not a classifier? The obvious approach is to…
Read more →Part 2 of the CollectorVision series. Part 1 has the overview. Before you can identify a card you have to find it. Cornelius is the model responsible for that — it takes a camera frame and predicts where the four corners of the card are. This sounds easy. It's not. --- What the…
Read more →
I've been working on a card scanner for Magic: The Gathering for a while now and wanted to write up how it works. The short version: you show it a card, it tells you what it is. It handles held cards, sleeved cards, skewed angles, phone cameras. The whole thing runs locally —…
Read more →Every once in a while, one of our hens will feel broody and sit on a clutch of eggs. Usually she gets bored after a day or two and wanders off (leaving a pile of soon to be rotten eggs), but every once in a while, one of the girls sticks with it long enough to bring chicks to…
NRC 2026 is just around the corner (April 16, 17 & 18), and our students are very excited. For the past several 6 years my wife and I have hosted and coached a robotics team out of our house for middle and high schoolers. This year our students are bringing a total of 8 bots to…
Part of the goal with this post is to test the functionality of YouTube videos embedded in-line with blog posts. Are you familiar with the music of Stromae? If not, he's well worth your time. His song "Papaoutai" was my introduction to him, and I find it to be excellent:…
Read more →So I've wanted to have a new blog for a long time, but I haven't fully settled on architecture until now. I had an idea today for using Github Actions to build a dynamic-feeling website using Issues and Comments on a Github repository as the content for the blog, and so…
Read more →Harrier – Microsoft Open-Sources Industry-Leading Embedding Model
Read more →