Method and apparatus for generating positioning assistance data
First Claim
Patent Images
1. A method for generating positioning assistance data, the method comprising:
- obtaining a first raster image comprising a floor plan of an area;
obtaining geographic reference information corresponding to the area, the geographic reference information comprising a location of the area;
extracting structural features of the area from the floor plan of the area via the first raster image; and
generating positioning assistance data for the area based on the extracted structural features and the geographic reference information.
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Abstract
Systems and methods are provided herein for assistance data generation based on raster images, such as raster images of floor plans. A method provided herein for generating positioning assistance data includes obtaining a first raster image including a floor plan of an area; obtaining geographic reference information corresponding to the area, the geographic reference information including a location of the area; extracting structural features of the area from the floor plan of the area via the first raster image; and generating assistance data for the area based on the extracted structural features and the geographic reference information.
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Citations
54 Claims
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1. A method for generating positioning assistance data, the method comprising:
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obtaining a first raster image comprising a floor plan of an area; obtaining geographic reference information corresponding to the area, the geographic reference information comprising a location of the area; extracting structural features of the area from the floor plan of the area via the first raster image; and generating positioning assistance data for the area based on the extracted structural features and the geographic reference information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An apparatus for generating positioning assistance data, the apparatus comprising:
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a communications subsystem configured to obtain a first raster image comprising a floor plan of an area and to obtain geographic reference information corresponding to the area, the geographic reference information comprising a location of the area; a structural feature extraction module communicatively coupled to the communications subsystem and configured to extract structural features of the area from the floor plan of the area via the first raster image; and an assistance data generation module communicatively coupled to the communications subsystem and the structural feature extraction module and configured to generate positioning assistance data for the area based on the extracted structural features and the geographic reference information. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. An apparatus for generating positioning assistance data, the apparatus comprising:
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means for obtaining a first raster image comprising a floor plan of an area; means for obtaining geographic reference information corresponding to the area, the geographic reference information comprising a location of the area; means for extracting structural features of the area from the floor plan of the area via the first raster image; and means for generating positioning assistance data for the area based on the extracted structural features and the geographic reference information. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A computer program product residing on a non-transitory processor-executable computer storage medium, the computer program product comprising processor-executable instructions configured to cause a processor to:
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obtain a first raster image comprising a floor plan of an area; obtain geographic reference information corresponding to the area, the geographic reference information comprising a location of the area; extract structural features of the area from the floor plan of the area via the first raster image; and generate positioning assistance data for the area based on the extracted structural features and the geographic reference information. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49)
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50. An apparatus for generating positioning assistance data, the apparatus comprising:
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a processor configured to obtain a first raster image comprising a floor plan of an area, obtain geographic reference information corresponding to the area, extract structural features of the area from the floor plan of the area via the first raster image and generate positioning assistance data for the area based on the extracted structural features and the geographic reference information; and a memory coupled to the processor and configured for storing data. - View Dependent Claims (51, 52, 53, 54)
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Specification