I trained a LoRA on my own face. Here's every mistake.
Dataset curation, captioning, and rank/alpha sweeps on Flux — and why 18 photos beat 60.
shipping umzobo
08 / blog — ls ~/notes --sort=new
Field notes.
Generative AI
# retrieve → rerank → answer
docs = loader.load("medical/*.pdf")
db = FAISS.from_documents(docs)
llm.invoke(prompt)
RAG
A medical RAG bot that knows when to say "I don't know"
Retrieve, rerank, and refuse. A local vector index over PDFs, with an answer only when the pages support it.
Computer vision
Vision Transformer from scratch on MNIST
Patches, heads, and a class token. A small ViT, written out, trained on digits.
Draft · soon
Building Umzobo: shipping an AI studio solo
Queues, GPU costs, and Bun on a small VPS. Notes from turning one idea into a film pipeline.