Satellite Imagery Analysis

Chapters 6 & 7

Real Sentinel-2 reflectance data over the KGFCU field near Katy, TX — the same AWS Open Data COGs used with SageMaker and Lambda in the book, band-math'd live in your browser.

● Live AWS Open Data

Loading scene metadata…

Band Combination / Index

Brightness — 1.0×

0.5×2.5×

Contrast — 1.0×

0.5×3×

About This Mode

True Color (B4/B3/B2) Natural-looking image using visible red, green, and blue bands. Best for human interpretation and land cover classification.

True Color — Sentinel-2

Real Sentinel-2 L2A reflectance, 2%–98% stretched per band

Fetching Sentinel-2 scene from AWS Open Data…

Reading 6 Cloud-Optimized GeoTIFF bands (B02, B03, B04, B08, B11, B12) directly from sentinel-cogs.s3.us-west-2.amazonaws.com — no server, no API key, just windowed HTTP range requests against the public archive.