Prasanna Patil — AI Engineer https://prasannapatil.in Prasanna Patil is an AI Engineer in Pune building Python backends, computer vision pipelines, automation workflows and LLM-powered tools at Zuneko Labs. en-in Sat, 26 Sep 2026 18:30:00 GMT FastAPI, Celery and Redis: A Production Architecture Guide https://prasannapatil.in/guides/fastapi-celery-redis-architecture https://prasannapatil.in/guides/fastapi-celery-redis-architecture Getting slow work — inference, message processing, database writes — off the request thread without losing tasks. Sat, 26 Sep 2026 18:30:00 GMT Building Real-Time CCTV Analytics with YOLO https://prasannapatil.in/guides/building-cctv-analytics-with-yolo https://prasannapatil.in/guides/building-cctv-analytics-with-yolo From camera feed to deduplicated alert: frame sampling, batching, tracking and the numbers from a four-stream build. Sat, 26 Sep 2026 18:30:00 GMT Webhook Idempotency in FastAPI: Never Process an Event Twice https://prasannapatil.in/guides/webhook-idempotency-fastapi https://prasannapatil.in/guides/webhook-idempotency-fastapi Provider event IDs, unique constraints, and why retries are the norm — the pattern behind every webhook receiver I ship. Sat, 26 Sep 2026 18:30:00 GMT Running YOLO on a Jetson: ONNX and TensorRT in Practice https://prasannapatil.in/guides/yolo-jetson-tensorrt-edge https://prasannapatil.in/guides/yolo-jetson-tensorrt-edge Export, precision tuning (FP16/INT8), and how to report throughput honestly on the hardware you actually have. Sat, 26 Sep 2026 18:30:00 GMT Celery Task Recovery: What Happens When Things Break https://prasannapatil.in/guides/celery-task-recovery https://prasannapatil.in/guides/celery-task-recovery Late acks, idempotency, dead-letter visibility, and backfill jobs for events that were never enqueued. Sat, 26 Sep 2026 18:30:00 GMT A RAG Evaluation Checklist Before You Promise Accuracy https://prasannapatil.in/guides/rag-evaluation-checklist https://prasannapatil.in/guides/rag-evaluation-checklist Chunking strategy, retrieval evaluation on the real corpus, and honest limits — before the demo becomes a contract. Sat, 26 Sep 2026 18:30:00 GMT Speech Emotion Recognition https://prasannapatil.in/projects/speech-emotion-recognition https://prasannapatil.in/projects/speech-emotion-recognition CNN + LSTM model trained across four datasets — 93.27% held-out accuracy, under 200 ms on CPU. Thu, 24 Sep 2026 18:30:00 GMT CCTV Analytics for Crime & Crowd Management https://prasannapatil.in/projects/cctv-analytics https://prasannapatil.in/projects/cctv-analytics Smart India Hackathon 2023 finalist — real-time YOLO detection and deduplicated alerts across four feeds. Thu, 24 Sep 2026 18:30:00 GMT