What is the relationship between bits and pixels?

What is the relationship between bits and pixels? Bits are ones and zeros (on/off) and pixels are pixels. How is the interaction between these two? So how does it work?

Asker: Jan, 26 years old

Answer

A (computer) image consists of pixels, which we call pixels (contraction of “picture elements”). Each pixel contains information about brightness and color of the respective pixel. This information is stored in binary, ie with ones and zeros (bits). The ones and zeros do not determine whether a particular pixel is on or off, because then the image would be pure black and white. Each pixel contains more than 1 bit to represent the color and brightness of that pixel (typically even 24 bits, so over 16 million different shades of color can be represented).

Answered by

Prof. dr. Dr Wim Lamotte

Computer Science Multimedia Networking Internet Networked Virtual Environments

What is the relationship between bits and pixels?

Hasselt University
Agoralaan University Campus Building D BE-3590 Diepenbeek
http://www.uhasselt.be/

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