You Probably Don't Need Your Own Model
Why domain-tuned security models rarely beat a capable general model with the right context, tools, skills and scope, and where training still earns its cost.
Writing
Recent posts by Sajan Kumar.
How we process 10,000 live video streams for a state transportation department
Real-time computer vision across a statewide CCTV network: multi-object tracking, cross-camera re-ID, and pipelines that survive bad bandwidth and edge hardware.
Cutting security threat analysis from hours to minutes with AI
How we automated most security alert triage with a graph of small agents, how the industry approaches the same problem today, and how agent swarms and feedback loops built on validated cases keep it …
Projects
Selected projects and case studies.
AI-powered Advanced Monitoring System
Computer-vision driven smart city monitoring for traffic and anomaly detection across 500K+ citizens.
Berkeley Index of Tenacity
Psychometric modeling of GRIT traits with dynamic survey generation used in a live UCB platform.
University Maintenance Platform
Mobile and web app for campus maintenance with 4.4★ rating on Google Play.