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