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DIFF Subgroup
G06V 40/18

Eye characteristics, e.g. of the iris

Introduced: January 2022

Full Title

Recognition of biometric, human-related or animal-related patterns in image or video data > Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands > Eye characteristics, e.g. of the iris

Additional Content IPC

LoG line of gaze (optical axis) LoS line of sight (visual axis) PCR pupil corneal reflection PoR point of regard WFOV (camera) WFOV wide field of view (camera provided with a relatively large view to roughly detect the position of the eye) NFOV (camera) NFOV narrow field of view (camera provided with a narrow field of view which acquires a more precise eye image) Purkinje images Purkinje image reflections of objects present in the environment which can be seen on the structure of the eye, e.g. sclera. saliency map saliency maps map displaying areas of higher visual importance, e.g. luminance contrast, semantic contrast, etc.

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

IPC defines codes here since 2022.

Child Classifications

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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