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PCE
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DIFF Main Group
G06T 5/00

Image enhancement or restoration

Introduced: January 1995

Additional Content IPC

Circuitry for compensating brightness variation in the scene in cameras or camera modules comprising electronic image sensors Camera processing pipelines in cameras or camera modules comprising electronic image sensors Noise processing, e.g. detecting, correcting, reducing or removing noise in circuitry of solid-state image sensors [SSIS]

IPC and CPC are identically structured here. All 10 subcodes exist in both systems.

IPC defines codes here since 1995.

Child Classifications

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  • G06T 5/10 using non-spatial domain filtering since 1995 IPC+CPC Available in IPC and CPC
  • G06T 5/40 using histogram techniques since 1995 IPC+CPC Available in IPC and CPC
  • G06T 5/50 using two or more images, e.g. averaging or subtraction since 1995 IPC+CPC Available in IPC and CPC
  • G06T 5/60 using machine learning, e.g. neural networks since 2024 IPC+CPC Available in IPC and CPC
  • G06T 5/70 Denoising; Smoothing since 2024 IPC+CPC Available in IPC and CPC
  • G06T 5/77 Retouching; Inpainting; Scratch removal since 2024 IPC+CPC Available in IPC and CPC
  • G06T 5/80 Geometric correction since 2024 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 76,952
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,841
  3. MICROSOFT TECHNOLOGY LICENSING US 44,778
  4. GOOGLE US 35,735
  5. INTEL CORPORATION US 32,087
  6. HUAWEI TECHNOLOGIES COMPANY CN 30,572
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 25,023
  8. APPLE US 23,482
  9. SGCC(STATE GRID CORPORATION OF CHINA) 22,548
  10. HUAWEI TECHNOLOGIES COMPANY 20,917