Data processing: generic control systems or specific application – Specific application – apparatus or process – Robot control
Reexamination Certificate
2007-01-17
2011-11-15
Black, Thomas (Department: 3661)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Robot control
C700S245000, C700S250000, C700S258000, C701S023000, C701S025000, C701S026000, C901S001000
Reexamination Certificate
active
08060254
ABSTRACT:
Provided are a method, apparatus, and medium for building a grid map in a mobile robot and a method, apparatus, and medium for cell decomposition using the grid map building method and apparatus. A mobile robot for building a grid map includes a grid map building unit obtaining grid points by sensing a distance to an external space or obstacle, and building a grid map, a feature point extraction unit extracting feature points from the grid points, a feature point update unit estimating the pose of the robot after the robot moves, and obtaining updated feature points by SLAM (Simultaneous Localization And Map building) algorithm, a transform formula calculation unit calculating a transform formula that transforms feature points extracted by the feature point extraction unit into feature points updated by the feature point update unit, and a grid map update unit updating the grid map according to the obtained formula.
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Bang Seok-won
Kong Dong-geon
Lee Su-jinn
Myeong Hyeon
Black Thomas
Nolan Peter D
Samsung Electronics Co,. Ltd.
Staas & Halsey , LLP
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