adaptation
Everything on Ground Truth tagged “adaptation” — 3 items.
Test-Time Training Lesson
Test-time training is the practice of updating a model's actual weights on the specific problem in front of it, at inference, rather than only running a forward pass -- turning each test example into a tiny training run.
Fine-tuning and LoRA: teaching an old model a new job without retraining it Lesson
You almost never train an AI from scratch. You take one that already knows language and nudge it toward your specific task - and a trick called LoRA lets you do that by adding a tiny sticky note instead of rewriting the whole brain.
A robot AI that adapts to a moved camera by wiggling, not retraining News
A new method lets robot policies figure out a changed setup from a few seconds of self-directed fiddling, so they keep working when the camera or robot body changes - with no retraining.