#gearedsteam

2025-08-29

I've been trying to expand from speech recognition to image processing. Clearly, what the world needs is a geared steam locomotive classifier!

Sample images from here: gearedsteam.com/ (a great site which has been around since 1998 and is still growing).

I'm OK with Willammettes being misclassified as Shays since they are basically Shay clones.

#gearedsteam #steamengine #shay #heisler

this table shows that geared steam engine pictures were correctly classified 81% of the time.  not quite as impressive as it sounds since the data is quite skewed; Shays are much more frequent than the other types.  an early version of the model always guessed "Shay" and was correct 56% of the time.  the second and third most frequent types are "Climax" and "Heisler", and these are correctly identified 85% and 81% of the time.  none of the other minor types were ever correctly identified but they show up rarely.  and like I said the Willammette->Shay confusion is pretty reasonable.

Client Info

Server: https://mastodon.social
Version: 2025.07
Repository: https://github.com/cyevgeniy/lmst