02 — Research

Publications

Peer-reviewed research in background-oriented schlieren imaging, biomimetic aerodynamics, and experimental fluid dynamics.

ResearchGate ORCID

Publications

2024

Real-Time Adaptive Background-Oriented Schlieren Imaging Algorithm with Spatiotemporal Variability Using Computer Vision and Particle Image Velocimetry

Dhruv Hegde, Tejash Gupta, Vikram Haran · International Journal of Sciences: Basic and Applied Research (IJSBAR)

Advanced BOS computational system integrating wavelet transformations, Kalman filtering, and adaptive CLAHE contrast enhancement. Demonstrated 30.6% improvement in edge detection sensitivity, 12.5% in resolution enhancement, and 11% in noise reduction versus OpenCV/OpenPIV baselines — enabling real-time mobile fluid flow visualization.

BOS ImagingComputer VisionPIVWaveletsKalman Filtering

Biomimetic Airfoil Optimization to Supplement Flight Efficiency in Unmanned Aerial Vehicles

Dhruv Hegde · International Journal of Computing and Engineering

Full-stack simulation and experimental framework for optimizing biomimetic airfoil geometries on scaled wind-tunnel platforms — integrating embedded sensor feedback, CFD models, and iterative physical testing to improve UAV flight efficiency in low-Reynolds-number regimes.

AerodynamicsBiomimetic DesignUAVCFDNASA

Investigating the Influence of Wavelength-Specific Textured Backgrounds in Background Oriented Schlieren (BOS) Imaging

Dhruv Hegde · International Journal of Innovative Science and Research Technology (IJISRT)

Investigation of wavelength-specific textured background patterns in BOS imaging systems — analyzing spatiotemporal variability, contrast optimization, and background selection criteria for improved schlieren visualization in experimental fluid dynamics.

BOS ImagingSchlierenComputer VisionFluid Dynamics

Patents

2024provisional

Real-Time Adaptive Background-Oriented Schlieren Imaging for Aerospace Flow Visualization

Provisional patent for adaptive BOS imaging system with spatiotemporal variability compensation, wavelet-based edge detection, and Kalman-filtered turbulence field reconstruction for aerospace applications.