Remote Sensing
Learn the concepts of remote sensing analysis and image classification with a focus on satellites, LiDAR, and drones.
Feature
How GPS Receivers Work – Trilateration vs Triangulation
Have you ever wondered how your GPS receiver works? They use a technique called trilateration, which measures distances, not angles as in triangulation.
Satellites
50 Satellites in Space: Types and Uses of Satellites
A list of the 50 most iconic satellites put up into space to monitor our planet. We show the uses and types of satellites like weather and GPS satellites.
Satellites & Sensors: AVHRR | Copernicus | IKONOS | Landsat 8 | MODIS | Pleiades | Sentinel 2 | SPOT | SRTM | Worldview
LiDAR
What is a Point Cloud?
A point cloud is a collection of points for storing data in LiDAR systems. Pulses of light represent the millions of points in a point cloud.
Remote Sensing Analysis
What is Photogrammetry?
Photogrammetry uses photographs from at least two different vantage points. It obtains depth and perspective because of separate points of observation.
Remote Sensing Types
Multispectral vs Hyperspectral Imagery Explained
Multispectral vs Hyperspectral imagery. Hyperspectral contains hundreds of narrow bands. Multispectral usually consists of only 3 to 10 wider bands.
Image Classification
Spectral Signature Cheatsheet – Spectral Bands in Remote Sensing
Every object has its own unique composition. This is equivalent to it having its own spectral signature. Choose the spectral bands for ideal classification
Global Positioning Systems
GPS Coordinate Apps: Find Your GPS Location
If you want to find the latitude and longitude of anywhere with your mobile phone, this list of GPS coordinate apps will help you get started.
