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IPC Subgroup
G06F 18/24

Classification techniques

Introduced: January 2023

Full Title

Pattern recognition > Analysing > Classification techniques

Classification Context

Section:
PHYSICS
Class:
COMPUTING OR CALCULATING; COUNTING
Subclass:
ELECTRIC DIGITAL DATA PROCESSING

Additional Content

Glossary

CART Classification and Regression Tree C4.5 Classification algorithm using a decision tree FAR False Acceptance Rate FRR False Rejection Rate Gini impurity A measure of how often a randomly chosen element from the set would be incorrectly labeled if it was randomly labeled according to the distribution of labels in the subset; usually used at the level of the nodes of tree-based classifiers. ID3 Iterative Dichotomiser 3, a precursor of C4.5 ROC Receiver Operating Characteristics

Application references

Information retrieval of still images; Clustering; Classification Information retrieval of video data; Clustering; Classification Image or video recognition or understanding using classification

3 direct subcodes

Child Classifications

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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