Apparatus, method, and medium for dividing regions by using...

Details Apparatus, method, and medium for dividing regions by using... Apparatus, method, and medium for dividing regions by using...

2011-03-29

2011-03-29

Lu, Tom Y (Department: 2624)

Image analysis

Applications

Robotics

C382S103000, C382S106000, C700S253000, C348S119000, C901S001000, C901S047000

Reexamination Certificate

active

07916931

ABSTRACT:
An apparatus, method, and medium for dividing regions by using feature points and a mobile robot cleaner using the same are provided. A method includes forming a grid map by using a plurality of grid points that are obtained by detecting distances of a mobile robot from obstacles; extracting feature points from the grid map; extracting candidate pairs of feature points, which are in the range of a region division element, from the feature points; extracting a final pair of feature points, which satisfies the requirements of the region division element, from the candidate pairs of feature points; forming a critical line by connecting the final pair of feature points; and forming a final region in accordance with the size relationship between regions formed of a closed curve which connects the critical line and the grid map.

REFERENCES:
patent: 2002-287824 (2002-10-01), None
patent: 2005-211359 (2005-08-01), None
patent: 2005-211367 (2005-08-01), None
patent: 2006-14715 (2006-02-01), None

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