Navigation Terminal Map Switching Between Streaming and Vector Data
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Solution Overview
Problem
Conventional navigation systems are limited in providing detailed and real-time map information, as they only use stored schematic maps, lacking the ability to display additional information such as surrounding areas of origins and destinations.
Innovation Solution
A method that switches between streaming image maps and embedded vector maps based on the travel state, using streaming image maps for initial and detailed displays and embedded vector maps for route guidance, allowing for more accurate and comprehensive map information during navigation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a terminal uses only stored schematic map information, then the navigation function can operate independently without network dependency, but the map information lacks detail and real-time updates
Solution Approach 1:
The patent segments map information into two distinct types: schematic map information stored in the terminal and detailed map information obtained through streaming. The schematic map provides basic navigation functionality while the streaming map supplements it with detailed real-time information, allowing the system to leverage both stored and network-based resources without requiring complete reliance on either approach
Solution Approach 2:
The terminal pre-stores schematic map information before navigation begins, ensuring that basic navigation functionality is available immediately without network dependency. This preliminary preparation allows the system to switch to or supplement with detailed streaming map information when network conditions permit, without compromising the core navigation capability
2Loss of information
If a terminal uses streaming image maps for detailed map information, then real-time and detailed map data can be provided, but network dependency increases and may affect performance
Solution Approach 1:
The schematic map stored in the terminal acts as an intermediary that ensures navigation reliability while the detailed streaming map provides enhanced information. When network conditions are poor or unavailable, the system can seamlessly continue using the schematic map, preventing complete system failure and maintaining navigation functionality
Solution Approach 2:
The system dynamically switches between or combines schematic and streaming map information based on network conditions, terminal performance, and navigation requirements. This dynamic adaptation allows the system to optimize between information completeness and reliability, using detailed streaming maps when available and falling back to schematic maps when necessary
3Loss of information
If a terminal displays both streaming image map and embedded vector map, then comprehensive map information can be provided, but the processing and display complexity increases
Solution Approach 1:
The patent applies different map types to different functional requirements: the schematic map is used for basic navigation and route guidance where simplicity is adequate, while the detailed streaming map is used for areas requiring high information quality such as surrounding areas of origin and destination. This localized application of different map qualities optimizes information presentation without requiring simultaneous processing of both full-detail maps
Data Source
AI summary
Disclosed are a method and system for providing map information by a terminal supporting a navigation function, and more particularly, variably displaying map information as a streaming image map or an embedded vector map according to a travel state in a route guide service. Accordingly, since the present invention variably supports two-type map information including the embedded vector map and the streaming image map in the navigation function, it is possible to use map information through the streaming image map when a detailed, clear image is needed, and it is possible to use a route guide service through the embedded vector map providing more accurate and general map information while moving. Also, it is possible to efficiently receive map information applied to a navigation function from a service device connected through a communication network and accordingly, it is possible to efficiently perform the navigation function provided from a terminal.