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US 2014/0232866 A1Published application
Location recognition apparatus and method
AssigneeNulsom Inc.
InventorChang-Hoon Lee
Life of this patent
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Abstract
A position recognition apparatus and method for determining the position of an object by using a camera are provided. The object may include a controllable light source, and the position recognition apparatus may store identification information of the object. The position recognition apparatus may obtain a spatial image by capturing an image of a place where the object is located, may extract the position of the object by processing the spatial image, and may correlate the extracted position with the object, thereby completing a position map.
Claims9
A position recognition method, comprising:
- transmitting an indicator signal indicating whether and which of a plurality of light emitters emit light, wherein the plurality of light-emitters are located in a predetermined image-capturing region for an image-capturing unit and each have identification information;
- obtaining a spatial image by capturing an image of the image-capturing region;
- detecting predetermined light for identification from at least one of the plurality of light emitters by analyzing the spatial image;
- calculating at least one spatial coordinate corresponding to the at least one of the plurality of light emitters;
- and
- correlating the at least one spatial coordinate with the identification information of the at least one of the plurality of light emitters.
3 more elements
A position recognition apparatus, comprising:
- a communication unit configured to transmit an indicator signal indicating whether and which of a plurality of light emitters emit light, wherein the plurality of light-emitters are located in a predetermined image-capturing region for an image-capturing unit and each have identification information;
- an image capturing unit configured to obtain a spatial image by capturing an image of the image-capturing region;
- a light source detection unit configured to detect predetermined light for identification from at least one of the plurality of light emitters by analyzing the spatial image;
- a coordinate calculation unit configured to calculate at least one spatial coordinate corresponding to the at least one of the plurality of light emitters;
- a coordinate correlation unit configured to correlate the at least one spatial coordinate with the identification information of the at least one of the plurality of light emitters;
- and
- a storage unit configured to store the results of the correlation performed by the coordinate correlation unit as one or more items of a correlation list.
4 more elements
A light emitter, comprising:
- a light emission unit configured to emit light;
- a communication unit configured to communicate with a position recognition apparatus;
- a storage unit configured to store identification information;
- and
- a driving unit configured to control the light emission unit to emit light in response to receipt of a control signal including the identification information via the communication unit,
- wherein the position recognition apparatus comprises:
- a communication unit configured to transmit an indicator signal indicating whether and which of a plurality of light emitters, including the light emitter, emit light, wherein the plurality of light-emitters are located in a predetermined image-capturing region for an image-capturing unit and each have identification information;
- an image capturing unit configured to obtain a spatial image by capturing an image of the image-capturing region;
- a light source detection unit configured to detect predetermined light for identification from at least one of the plurality of light emitters by analyzing the spatial image;
- a coordinate calculation unit configured to calculate at least one spatial coordinate corresponding to the at least one of the plurality of light emitters;
- a coordinate correlation unit configured to correlate the at least one spatial coordinate with the identification information of the at least one of the plurality of light emitters;
- and
- a storage unit configured to store the results of the correlation performed by the coordinate correlation unit as one or more items of a correlation list.
10 more elements
Dependencies are inferred from the claim text.