How would one simulate the action of a lens in a computer?

Subject: How would one simulate the action of a lens in a computer?

Date: Mon May 13 12:16:21 2002
Posted by Quincy
Grade level: undergrad School: U of M
City: Flint State/Province: MI Country: USA
Area of science: Engineering
ID: 1021306581.Eg

Message:


In "Martian Rainbow" Robert L. Forward depicts a satelite that can read a book 
from orbit. It works by using photoreceptors which absorb light in phase and 
then computationally simulating a lens. Is this how digital cameras work? What 
does the math look like? What books talk about this subject?

Re: How would one simulate the action of a lens in a computer?

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