Some of these bands fall outside of the visible spectrum (the part that we can see with our own eyes). The satellite imagery is usually recorded in multiple files storing multiple bands separately. passing through water particles and we see something like this: Rainbow in Calgary.
Sometimes it happens that the light is split into its base components when e.g. Why? Avoiding deep dive into physics, for the sake of simplification, let’s just say that the light as we know it is really a combination of multiple bands. It’s a bit different when working with satellites and you usually want them separated. Usually, you don’t bother about bands as all you care about is a colour product that should try to represent what you see with your eyes. You’ll also sometimes hear, people don’t call them colours, they call them channels or bands. That’s why you’ll often hear about RGB(Red, Green, Blue) images. Those are usually built from a combination of three main colours: red, green and blue. What we’re all used to in everyday life are colour images.
GO TO THE APP! The difference between satellite imagery and your Instagram photos
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