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IPC Subgroup
G06T 7/1

Segmentation; Edge detection

Introduced: January 2017

Full Title

Image analysis > Segmentation; Edge detection

Classification Context

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

Additional Content

Limiting references

Motion-based segmentation

Application references

Segmentation of character regions Extraction of features or characteristics of the image

13 direct subcodes

Child Classifications

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  • G06T 7/11 Region-based segmentation
  • G06T 7/12 Edge-based segmentation
  • G06T 7/13 Edge detection
  • G06T 7/136 involving thresholding
  • G06T 7/143 involving probabilistic approaches, e.g. Markov random field [MRF] modelling
  • G06T 7/149 involving deformable models, e.g. active contour models
  • G06T 7/155 involving morphological operators
  • G06T 7/162 involving graph-based methods
  • G06T 7/168 involving transform domain methods
  • G06T 7/174 involving the use of two or more images
  • G06T 7/181 involving edge growing; involving edge linking
  • G06T 7/187 involving region growing; involving region merging; involving connected component labelling
  • G06T 7/194 involving foreground-background segmentation

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