Definition of upscaling in English:

upscaling

noun

mass noun
  • 1The action of increasing the size or improving the quality of something.

    ‘the upscaling of public recreation space’
    1. 1.1 The facility for or process of converting an image or video so that it displays correctly in a higher resolution format.
      ‘it is a real shame that the company did not offer upscaling for their games’
      as modifier ‘upscaling technology that boosts picture quality’

Pronunciation

upscaling

/ˈʌpskeɪlɪŋ/