Computer Engineering @ LAU Beirut · IEEE Member

Safi Aridi

Computer Engineering student and researcher at Lebanese American University (LAU Beirut). Focused on low-level systems, software security, embedded hardware, signal processing, and spatial GIS data.

station-coordinates // safi-aridi-beirut

BEIRUT, LEBANON (UTC+3)

INSTITUTION

LAU Beirut (B.E. CE)

AFFILIATION

IEEE Student Member

PRIMARY STACK

C/C++ · Rust · Verilog · Python

COLLABORATION

Available for Projects

01 // Selected Highlights

Engineering Deep Dives

Inspect all interactive systems

Security & Systems

Video Steganography Engine

Data payload embedding in video streams

High-throughput steganography engine that embeds encrypted data bitstreams directly into uncompressed and H.264 video frames via spatial LSB and DCT coefficient manipulation.

PSNR > 51.4 dB · 1.8 ms/frame latency · SHA-256 HMAC

Data & GIS

Lebanon Dark-Sky GIS Observatory

Light pollution mapping & astronomical data visualization

Geospatial telemetry suite mapping light pollution gradients and Bortle darkness indices across Lebanese summits (Qurnat as Sawda, Tannourine, Sannine, Chouf Biosphere).

21.85 mag/arcsec² peak SQM · VIIRS Radiance · 8 High-Altitude Sites

Hardware & Physics

Hardware & Signal Physics Suite

Resistor color decoders & signal analysis tools

Suite of client-side engineering utilities including an interactive 4-band/5-band IEC 60062 resistor decoder, tolerance envelope validator, and real-time audio signal synthesizer.

Real-Time Synthesis · 0.05% Precision · FFT Spectrum

02 // Technical Domains

Core Engineering Disciplines

From gate-level hardware and signal physics to secure low-level systems.

Systems & Embedded Hardware

Micro-architecture design, RV32I processor datapath pipelining, STM32/ESP32 firmware, and low-latency digital logic.

C / C++

SystemVerilog

RISC-V

ARM Cortex-M

FreeRTOS

Software Security & Cryptography

Video steganography engines, discrete cosine transform (DCT) embedding, payload obfuscation, and SHA-256 HMAC integrity verification.

Steganography

AES / ChaCha20

OpenCV

Memory Safety

Signal Processing & Physics

Fourier analysis (CTFT/FFT), oscilloscope waveform generation, RTL-SDR spectrum inspection, and circuit physics decoders.

MATLAB

DSP

RTL-SDR

Fourier Transforms

IEC Standards

Spatial GIS & Architecture

Geospatial photometric analysis, VIIRS Day/Night Band light pollution mapping, high-throughput spatial indexing, and web systems.

QGIS

MapLibre

PostGIS

Next.js

TypeScript

03 // Open Engineering

Reproducible systems research & open source software.

All engineering experiments, signal utilities, and steganography implementations are documented on GitHub with reproducible benchmarks and transparent architectural specifications.