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building something awesome
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pixeLatedbLue/README.md

Naval Agarwal

CSE (AI/ML)  ·  Autonomous Systems Engineer  ·  ML & Systems Builder


Typing SVG
   



   

> about_me

I build systems that make decisions — not just interfaces.

Second-year CSE (AI & ML) student at VIT Vellore, developing real-time autonomous vehicle software at Team Ojas Racing (Formula Student EV). My work sits at the intersection of perception pipelines, explainable ML, and low-level C++ — where software has to be correct, not just functional.

Focus Areas
├── Autonomous Systems & Robotics      (ROS2 Jazzy, sensor fusion, perception)
├── Machine Learning & Explainable AI  (Isolation Forest, SHAP, behavioral modeling)
├── System-Level C++ Engineering       (real-time decision engines, optimization)
└── Embedded Systems                   (Jetson Orin Nano, Arduino, RealSense, SBG IMU)

> autonomous_engineering

🏎️ Team Ojas Racing — Formula Student EV

Autonomous Software Developer & Operations Team Member (CR)

Building the software stack that makes the car think — and the team that makes it run:

Domain Responsibility
🧠 Architecture ROS2 Jazzy modular autonomous system design
👁️ Perception Sensor fusion — Intel RealSense stereo depth + SBG Ellipse IMU
⚡ Decision Real-time autonomous planning & control systems
💻 Compute Nvidia Jetson Orin Nano — edge AI inference & onboard processing
🔒 Reliability Safety-critical environment engineering
📋 Operations Team coordination, race logistics & cross-role ops (CR)

Hardware stack in use:

Intel RealSense D435i  ──┐
                          ├──▶  ROS2 Jazzy (perception nodes)  ──▶  Decision Stack
SBG Ellipse N IMU      ──┘                                              │
                                                                         ▼
                                                            Nvidia Jetson Orin Nano
                                                            (onboard edge compute)

> selected_projects

🔐 Insider Threat Dashboard  —  Internal Data Leak Risk Detector  Python · Streamlit · ML · XAI

A full-stack ML surveillance system for detecting insider threats before they happen

A production-grade Streamlit dashboard + simulation suite for insider-risk monitoring. Ingests daily user activity (USB interactions, email metadata, psychometric profiles) and flags anomalous behavior with explainable AI insights.

Core ML Pipeline:

  • Isolation Forest trained monthly on cumulative user activity features
  • SHAP TreeExplainer provides per-user, per-feature risk attribution
  • Dynamic + hard-limit policy checks (USB insertions, sensitive file ratios, external email ratios)
  • Severity classification: Critical → High → Elevated → Normal via threshold quantiles

Data Model:

  • Email signals: total_emails, external_emails, attachments_sent, bcc_in_email, avg_email_size
  • USB signals: usb_insertions, files_accessed, sensitive_files_accessed
  • Big Five psychometrics (O, C, E, A, N) — with C and A inverted for risk alignment

System Architecture:

Daily CSV ingestion → Cumulative aggregation → Anomaly scoring
       ↓                       ↓                      ↓
 Simulation engine    Monthly retraining         SHAP logging
       ↓                       ↓                      ↓
  Streamlit dashboard ← Flagged users + risk explanations

Advanced Features:

  • Synthetic multi-month data generation (full_generator.py)
  • CLI orchestration engine for automated month-cycling & retraining
  • Web3 integration blueprint — wallet-auth, on-chain threshold governance, IPFS alert anchoring

Repo


🤖 Scrape-Krunch  —  Real-Time News Intelligence Pipeline  Python · Ollama · LLM

Multi-domain news scraper feeding a local LLM for contextual analysis

End-to-end pipeline that turns raw web noise into structured intelligence:

  • Scrapes multi-domain news sources in real time
  • Feeds structured, normalized data into a locally hosted LLM via Ollama
  • Delivers contextual summarization, cross-domain correlation, and on-demand analysis
  • Fully offline-capable — no external API dependencies

Repo


💰 Adaptive Loan Repayment Scheduler  C++ · Optimization · Decision Systems

Dynamic priority-based financial decision engine

A C++ system that acts as an automated financial advisor, reasoning over multiple loans simultaneously:

  • Multi-factor decision logic: interest rate, remaining tenure, outstanding balance
  • Dynamic repayment priority recomputed at each cycle
  • Outputs the globally optimal repayment sequence under budget constraints

Repo


🤲 Hand Tremor Stabilization Device  C++ · Arduino · Embedded · Assistive Tech

Low-cost real-time assistive device for Parkinson's & essential tremor patients

An embedded hardware system that restores independence for people with involuntary hand movements — stabilizing spoons and brushes in real time:

Component Role
MPU6050 6-DOF motion sensing — detects & classifies tremor signatures
Arduino Nano Embedded control loop & signal processing
Servo Motor Real-time physical counterforce stabilization
USB Power Portable & accessible form factor

Signal flow: Sensor reads → Tremor classification → Servo actuation (continuous loop)

Repo


> tech_stack

Languages

AI / ML & XAI

Isolation Forest  ·  SHAP  ·  Behavioral Modeling  ·  Streamlit

Autonomous & Embedded

ROS2 Jazzy  ·  Arduino  ·  Nvidia Jetson Orin Nano  ·  Intel RealSense D435i  ·  SBG Ellipse IMU  ·  Ollama  ·  Decision Systems


> achievements

🥇  Gold Badge Problem Solver          CodeChef
📡  Active Member                      IEEE-VIT
🏁  Autonomous Software Developer      Team Ojas Racing — Formula Student EV
📋  Operations Team Member (CR)        Team Ojas Racing — Formula Student EV

> github_analytics


> connect

  



I build systems that make decisions — not just interfaces.

Pinned Loading

  1. Adaptive-Loan-Payment-Scheduler Adaptive-Loan-Payment-Scheduler Public

    C++-based system which introduces an intelligent, dynamic framework for prioritizing loan repayments. Its core function is to act as an automated financial advisor, ensuring that limited funds are …

    C++

  2. Internal-Data-Leak-Risk-Detector Internal-Data-Leak-Risk-Detector Public

    Python

  3. Tremor-Stabilization-Device- Tremor-Stabilization-Device- Public

    An assistive device that stabilizes a spoon/brush in real time to reduce hand tremors in people with Parkinson’s disease.

    C++