Terraform-managed Cloud Run × 3 (api / web / reranker), Workload Identity Federation for keyless GitHub-OIDC deploys, Artifact Registry, Secret Manager. From gcloud projects create to a green deplo...

Three retrieval strategies on the same 5-document, 5-chunk corpus and a 20-question golden set. Hybrid + cross-encoder rerank wins by a wide margin on top-1 precision (0.99 vs 0.07 for the runner-u...

Most “equity research copilots” are single-shot RAG demos. Compass Equity is built around three product principles: multi-agent with adversarial review, hybrid retrieval (not vector-only), and full...

This post is the architecture walkthrough for stock-rag, a side project I built earlier this year that produces weekly investment-style reports for ~21 Taiwan-listed stocks. Everything runs on a si...

This post is the technical walkthrough behind torchgeo PR #3655, a small contribution that adds the classic Lee (1980) speckle filter to the PyTorch geospatial stack as a Kornia augmentation. I’ll ...

Starting this blog as a public notebook. Partly for myself, since writing forces clarity. Partly because I’m in the final stretch of an M.S. in Remote Sensing at NCU and looking for fully-remote ML...