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devonrama/README.md

Devon Rama Wikunanda

Undergraduate student in Geodesy Engineering at Universitas Diponegoro, Semarang, Indonesia. Working on geospatial machine learning for land-use classification and environmental monitoring.

Focus Areas

  • Multi-sensor remote sensing (Sentinel-1 SAR, Sentinel-2 multispectral)
  • Supervised classification for land-cover mapping
  • Geospatial data engineering with Python (rasterio, geopandas, GDAL)
  • Spatial databases (PostgreSQL + PostGIS)

Featured Project

End-to-end remote sensing pipeline mapping industrial land cover in the Karawang industrial corridor, West Java. Combines Sentinel-1 SAR and Sentinel-2 multispectral imagery via XGBoost classification to produce 1,063 industrial polygons over a 122 km² area of interest. Includes documented human-in-the-loop refinement and an explicit limitations section.

Headless SfM Engine
Async REST orchestrator for resource-constrained binary tools, demonstrated with COLMAP for Structure-from-Motion reconstruction. Single-tenant FastAPI service with subprocess timeout, payload validation, and VRAM-bounded preprocessing.

Stack: Python, rasterio, geopandas, scikit-image, XGBoost, ESA SNAP

Currently Learning

  • Deep learning for semantic segmentation in remote sensing
  • Reproducible geospatial ML pipelines (test design, validation rigour)
  • NASA ARSET training modules in applied remote sensing

Technical Background

Domain Tools and Methods
Remote sensing Sentinel-1/2, Landsat, ENVI, ER Mapper, ESA SNAP
Geospatial ML XGBoost, Random Forest, SVM, scikit-learn, scikit-image
Geospatial Python rasterio, geopandas, GDAL, shapely
Databases PostgreSQL, PostGIS
Geodetic computation Map projections, least squares adjustment, satellite geodesy

Education

Universitas Diponegoro — Semarang, Indonesia
Bachelor of Engineering in Geodesy Engineering (in progress)

Contact

Popular repositories Loading

  1. devonrama devonrama Public

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  2. uav-photogrammetry-accuracy-study uav-photogrammetry-accuracy-study Public

    UAV photogrammetry with GCP-based geodetic validation. Demonstrates orthophoto and DSM generation from drone imagery using OpenDroneMap.

    3

  3. karawang-industrial-mapping karawang-industrial-mapping Public

    End-to-end geospatial ML pipeline for industrial zone mapping in Karawang, Indonesia using Sentinel-1/2 multi-sensor fusion

    Python 2

  4. coastal-subsidence-semarang-demak coastal-subsidence-semarang-demak Public

    Sentinel-1 SAR flood-frequency and LiCSBAS InSAR subsidence mapping for the Semarang–Demak coast (2020–2025), fused into a per-kelurahan coastal-flood vulnerability typology. SDG 11.5 / 13.1.

    Python 2

  5. Headless-SfM-Engine Headless-SfM-Engine Public

    Async REST orchestrator for resource-constrained binary tools, demonstrated with COLMAP for SfM reconstruction. Single-tenant FastAPI service with subprocess timeout, payload validation, and VRAM-b…

    Python 1