Satellite Image Matcher & Coordinate Projector

Align aerial & reference satellite images and project pixels to real coordinates.

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Domain
Computer Vision
Year
2025
Type
Applied build — internal engineering work

This is internal engineering and R&D work, not a client project. It is published to show technical depth — the modelling, evaluation, and tooling behind the AI automation we build for clients. No client is associated with it.

A desktop application that loads high-resolution aerial and reference satellite images, performs SIFT feature matching, computes a homography, and projects aerial pixel coordinates onto a geo-referenced map — a lightweight GIS-inspired tool for education and field applications.

Tools & methods

  • Python
  • OpenCV
  • SIFT
  • NumPy
  • Pillow
  • Tkinter
Full technical report

Objectives

  • Load aerial and reference satellite images and match features with SIFT.
  • Compute a homography for alignment.
  • Project aerial points to reference coordinates and convert to real lat/lon.

Process

  • Load a geo-referenced reference image (TIFF) and resized aerial images.
  • Compute SIFT features; match keypoints with Lowe's ratio test.
  • Estimate homography robustly with RANSAC.
  • On click, project the point to the reference image and convert pixel → lat/lon.

Results

  • Accurately overlays and aligns aerial and reference imagery.
  • Projected points reflect accurate spatial correspondence.

What we took from it

  • Normalization, preprocessing, and good point selection drive matching quality.
  • RANSAC is essential to reject outliers in homography estimation.

From the report

  • Satellite Image Matcher & Coordinate Projector overview
    Satellite Image Matcher & Coordinate Projector overview

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Client engagements

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    US-based HR technology startup · HR technology & recruitment

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    4 services
    Timeline
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    • React.js
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    Platform launched and live at openinterview.me, serving job seekers internationally.

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    Real-estate marketplace operator · Real estate

    Beyut Libya

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    Delivered
    4 services
    Timeline
    October 2024 – January 2025
    • Next.js
    • React.js
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    Platform live and operating nationwide at beyutlibya.com.

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    3 services
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    • Redis

    Live restaurant ERP available at app.barakahaccounts.com.

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    Ophir Jewellery ERP

    An ERP for a jewellery operation that brings product records, stock, customer activity, order handling, and business reporting into one calmer working view.

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    3 services
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    • NestJS
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    Live jewellery ERP available at ophir.eaquirstech.com.

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    Real-estate operations team · Real estate

    Turner 10 Real Estate ERP

    A real-estate ERP that gives the team one practical place to follow properties, enquiries, availability, client records, and the internal work that supports every deal.

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    3 services
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    • NestJS
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    Live real-estate ERP available at turner10.eaquirstech.com.

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    • NestJS
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Engineering & AI R&D

This is internal and academic engineering work. Each study includes its full technical report.

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