Practical approaches to cloud masking in Sentinel-2 imagery. Learn how to use the Scene Classification Map, build cloud-free composites, and handle the persistent challenge of cloudy pixels in optical remote sensing.
2026-01-02 · 7 min read
How satellite sensors convert raw digital numbers into meaningful reflectance or radiance values. Understand gain, offset, and why calibration is the first step in any serious analysis.
2025-11-21 · 7 min read
What atmospheric correction does, why it matters for satellite data analysis, and what happens if you skip it. A practical explanation of TOA reflectance, BOA reflectance, and when correction is critical.
2025-11-15 · 8 min read