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- W2899345830 abstract "Visual localization is a useful alternative to standard localization techniques. In a typical scenario, features are extracted from images captured by cameras and compared with geo-referenced databases. Location information is then inferred from the matching results. Conventional schemes mainly use low-level visual features. They offer good accuracy but suffer from scalability issues. In order to assist localization in large urban areas, this work explores a different path by utilizing high-level semantic information. It is found that object information in a street view can facilitate localization. A novel descriptor scheme called “semantic signature” is proposed to summarize this information. A semantic signature consists of type and angle information of visible objects at a spatial location. Several metrics and protocols are proposed for signature comparison and retrieval. They illustrate different trade-offs between accuracy and complexity. Extensive simulation results confirm the potential of the proposed scheme in large-scale applications." @default.
- W2899345830 created "2018-11-09" @default.
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- W2899345830 date "2018-09-01" @default.
- W2899345830 modified "2023-10-17" @default.
- W2899345830 title "Semantic Signatures for Urban Visual Localization" @default.
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- W2899345830 doi "https://doi.org/10.1109/cbmi.2018.8516492" @default.
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