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Questions tagged [image-processing]

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23 votes
7 answers
7k views

Why are light rays able to cross each other?

See the image first: Why are light rays able to cross each other? Air isn't able to.
Harsh Kumar's user avatar
167 votes
9 answers
25k views

Could Legolas actually see that far?

The video “How Far Can Legolas See?” by MinutePhysics recently went viral. The video states that although Legolas would in principle be able to count $105$ horsemen $24\text{ km}$ away, he shouldn't ...
Ali's user avatar
  • 6,014
14 votes
3 answers
3k views

Is it possible that a person with myopia will see a blurry picture as normal? [duplicate]

I am trying to process an image in good quality to appear blurred to a normal person and good to a person suffering from myopia as seen in this source. Is it possible that a picture that is blurry ...
Sohail Arif's user avatar
9 votes
3 answers
5k views

Verifying radiation measurement smart phone applications

I've stumbled upon a strange class of Android applications lately. (And I'm sure such applications are available for other platforms too.) These apps claim the ability of detecting radiation. The ...
netom's user avatar
  • 655