Which term describes the number of pixels in an image

Is either the number of bits used to indicate the color of a single pixel, or the number of bits used for each color component of a single pixel.

The above define Bit depth

Explanation:

  • Bit depth refers to the color information stored in an image. The higher the bit depth of an image, the more colors it can store.
  • The simplest image, a 1 bit image, can only show two colors, black and white.
  • Bit depth refers to the color information stored in an image. The higher the bit depth of an image, the more colors it can store.
  • An 8 bit image can store 256 possible colors, while a 24 bit image can display over 16 million colors.
  • For consumer/end-user applications, a bit depth of 16 bits is perfectly fine. For professional use a bit depth of 24 bits is better. This ensures a good dynamic range and better precision when editing.
  • The number of bits used to represent each pixel in an image. A grayscale scanner would generally be 1 bit for monochrome or 8 bit for grayscale (producing 256 shades of gray). Bit depth is also referred to as color depth.

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