CollectorVision Part 3: Milo — Embedding 108,000 Cards into 128 Numbers

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 train a classifier with 108,000 output classes, one per card. This works, but has a few problems: New cards get released every…