Building Earth Observation Cameras

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Introduction

From the humble beginnings of an invention of a pinhole camera around

1000 AD to highly sophisticated data gathering from space, the history of

imaging has been a captivating series of technological advances and their

applications. The most ancient pinhole camera, also known as the camera

obscura, could just project an image of a scene outside, upside-down, onto

a viewing surface. It was only around 1816 that Nicéphore Niépce became

the rst man to capture a camera image on a paper medium coated with

silver chloride, which darkened where it was exposed to light. Shortly after,

George Eastman created an epoch by making commercia ...