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PCE
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DIFF Subgroup
G06T 3/40

Scaling of whole images or parts thereof, e.g. expanding or contracting

Introduced: January 1995

Full Title

Geometric image transformations in the plane of the image > Scaling of whole images or parts thereof, e.g. expanding or contracting

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2024.

Child Classifications

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  • G06T 3/4007 based on interpolation, e.g. bilinear interpolation (image demosaicing G06T3/4015; edge-driven or edge-based scaling G06T3/403) since 2024 IPC+CPC Available in IPC and CPC
  • G06T 3/4015 Image demosaicing, e.g. colour filter arrays [CFA] or Bayer patterns since 2024 IPC+CPC Available in IPC and CPC
  • G06T 3/4023 based on decimating pixels or lines of pixels; based on inserting pixels or lines of pixels since 2024 IPC+CPC Available in IPC and CPC
  • G06T 3/403 Edge-driven scaling; Edge-based scaling since 2024 IPC+CPC Available in IPC and CPC
  • G06T 3/4038 Image mosaicing, e.g. composing plane images from plane sub-images since 2024 IPC+CPC Available in IPC and CPC
  • G06T 3/4046 using neural networks since 2024 IPC+CPC Available in IPC and CPC
  • G06T 3/4084 in the transform domain, e.g. fast Fourier transform [FFT] domain scaling since 2024 IPC+CPC Available in IPC and CPC
  • G06T 3/4092 Image resolution transcoding, e.g. by using client-server architectures since 2024 IPC+CPC Available in IPC and CPC