What Does Medical VLM Actually See? Experiments with MedGemma and Sparse Autoencoders
Jan 24 · 5 min read · When a medical Vision Language Model(VLM) looks at a chest X-ray and says "cardiomegaly present," what's actually happening inside the model? It's a black box. Billions of parameters. Dense activation vectors where every dimension encodes a tangled m...
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