Patent · US Active

Dust detection method and apparatus for cleaning robot

US7920941B2 · kind B2 · utility

134Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 6, 2005
Grant dateApr 5, 2011
Priority date
Expiry dateJul 4, 2027

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47L2201/06
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A dust detection method and apparatus of a cleaning robot. The dust detection method involves acquiring a floor image as a current floor image of a predetermined place at a current location of the cleaning robot in the predetermined place; obtaining a difference image between the current floor image and a background image selected from a feature map consisting of a plurality of floor images of the predetermined place; and detecting a dusty area based on the difference image and adjusting a cleaning power of the cleaning robot.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.