Savina (Luying) Cai

Adaptive YOLO11n / YOLOv9m inference for wildfire detection. Routes to a heavier model only when CWFIS regional risk scores cross a threshold, cutting GPU time on low-risk frames.

• — Per-region risk lookup gates which detector runs
• — Cold-start tuned with provisioned concurrency on the heavy path
• — Built-in eval harness for precision / recall by risk tier

A privacy-first RAG document Q&A app. Ingests PDFs and Markdown, embeds locally, and answers with grounded citations.

• — 100% offline pipeline — no document leaves the machine
• — Citation-first UI: every claim linked to a source span
• — Streaming responses with token-level cancel

Urban intelligence dashboard fusing geospatial ML with open civic data — transit, weather, and incident signals on a single map.

• — H3 hex aggregation for fast multi-layer rendering
• — Time-series forecasting per hex for incident risk
• — Click-through drilldowns with explainable feature attributions

Combines SHAP and Grad-CAM over a CNN+tabular hybrid to make malware classification decisions inspectable for SOC analysts.

• — Hybrid pipeline: PE-image + static-feature streams
• — Analyst-facing UI surfaces the top-k contributing features per verdict
• — Benchmarked on EMBER and a curated red-team set

A multilingual meeting AI: live transcription, summarization, and action-item extraction across English / Mandarin / Japanese.

• — Speaker-diarized streaming transcripts with sub-second latency
• — Per-language post-processing for honorifics and tone
• — Action items pushed to Linear / Notion via webhooks

Open-source K–12 CS curriculum: Swift and Python lessons, projects, and assessments. 47+ structured files in active classroom use.

• — Scaffolded units from "first script" to "first iOS app"
• — Rubrics and answer keys for each project
• — Used by Geek Education tutors across BC