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A megapixel (MP or Mpx) is one million pixels, and is a term used not only for the number of pixels in an image, but to express the number of image sensor elements of digital cameras or the number of display elements of digital displays.

2 votes

Megapixel race unnecessary?

I used to think that MPs are overrated, until I did an experiment with oversampling. Inspired by the audio sampling rule of thumb to sample twice the frequency you need. 22K waves are sampled with 44k …
Michael Nielsen's user avatar
19 votes

Are 2 megapixels enough for HD resolution pictures?

If the resolution long axis is at least 1920 and the short edge at least 1080 then yes, you can take HD images without having to upscale. However, due to benefits of oversampling, you will make a be …
Michael Nielsen's user avatar
0 votes

What is Snapsort's "true resolution" score?

They are simplifying a much more complex world. your true resolution will be a product of lens and sensor. but the lens resolution (lp/mm) will depend on its settings as well as its quality. so to do …
Michael Nielsen's user avatar