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IPC Subgroup
G06T 3/4

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

Introduced: January 1995

Last revised: January 2024

Full Title

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

Classification Context

Section:
PHYSICS
Class:
COMPUTING OR CALCULATING; COUNTING
Subclass:
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL

Additional Content

Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming

9 direct subcodes

Child Classifications

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

Top Applicants

Top 10 applicants by patent filingsfor class G06, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 66,669
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,313
  3. MICROSOFT TECHNOLOGY LICENSING US 41,918
  4. GOOGLE US 32,969
  5. SGCC(STATE GRID CORPORATION OF CHINA) 30,822
  6. INTEL CORPORATION US 30,010
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 28,235
  8. HUAWEI TECHNOLOGIES COMPANY CN 26,079
  9. APPLE US 21,891
  10. HUAWEI TECHNOLOGIES COMPANY 20,505