Title:
ROBOT CLEANER AND CONTROL METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/019399
Kind Code:
A1
Abstract:
Provided according to one embodiment of the present invention is a method for controlling a robot cleaner, comprising: a map data collection step of collecting first information collected by photographing a cleaning target area by means of a depth camera and second information collected by photographing the cleaning target area by means of an IR sensor; a depth data filtering step of removing, from the first information, information which is determined to be noise when detecting obstacles; and a data restoration step of, if there is a lost part of the information on the obstacles by comparing the second information with the information that is determined to be noise and removed in the depth data filtering step, restoring the lost part. According to the present embodiment, it is possible to obtain effective obstacle information by removing noise that is not removed despite filtering of the depth camera, so as to detect even thin obstacles.
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Inventors:
LEE CHANGHYEON (KR)
PARK KIHONG (KR)
CHOI KAHYUNG (KR)
PARK KIHONG (KR)
CHOI KAHYUNG (KR)
Application Number:
PCT/KR2020/017643
Publication Date:
January 27, 2022
Filing Date:
December 04, 2020
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
A47L9/28; G05D1/02; G06T5/00; G06T7/50; H04N13/204
Foreign References:
| KR20170061355A | 2017-06-05 | |||
| KR101938668B1 | 2019-01-15 | |||
| JP2014219721A | 2014-11-20 | |||
| KR20150140380A | 2015-12-15 | |||
| KR102033143B1 | 2019-10-16 |
Attorney, Agent or Firm:
KBK & ASSOCIATES (KR)
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