by Jakub

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Contributing Factors

Things that determine how much noise is in an image can include:

  • ISO/sensitivity
  • Sensor size
  • Exposure time

Types of Noise

There are number of different types of noise that can show up in images, including:

  • Gaussian noise
  • Salt-and-pepper noise
  • Shot noise
  • Quantization noise
  • Film grain
  • Anisotropic noise


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