Imagery basics

An introduction to key characteristics of imagery from a technical perspective for users who are new to imagery or want to develop their understanding

• What does orthorectification mean?
• What is the difference between Display & Reflectance Processing?
• What is the difference between pan-sharpened and bundle imagery?
• What is the difference between C and X band radar?
• What is infrared imagery useful for?
• Why do parts of my image appear to have sun glare?
• Can I get imagery that can see underground?
• How accurate is the positioning of the imagery?
• What levels of image product are there and what do they mean?
• Introduction to earth observation / remote sensing
• How does remote sensing / earth observation work?
• What platforms can be used for imaging and which are most suitable for my application?
• What does "resolution" or "ground sampling distance" of imagery mean?