Parking Lot Digital Map Generation via Vehicle Route Data
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Solution Overview
Problem
Current systems lack an efficient method for creating digital maps of parking lots, essential for autonomous vehicle navigation, as they require additional measurements and do not leverage vehicle-collected data effectively.
Innovation Solution
A method and device where vehicles within a parking lot collect data on their driving routes and transmit this information to a map server via a communications network, allowing the server to generate a digital map without additional measurements, using a processor and communications interface to ascertain and transmit data such as odometer, operating dynamics, and environmental data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If additional measurements are conducted to create a digital map of a parking lot, then the completeness and accuracy of the map data is improved, but the time and resources required for map creation increase
Solution Approach 1:
The system performs preliminary actions by having vehicles collect and transmit map data during their normal operation before the map is actually needed. The map server continuously receives and processes data from multiple vehicles, building the digital map in advance so that it is ready when needed for navigation purposes.
Solution Approach 2:
The system implements self-service by utilizing the vehicles' own movement and sensor data to automatically create and update the digital map without requiring external measurement teams. The vehicles serve themselves by collecting data during normal operation, and the map server automatically processes this data into usable map information.
2Measurement precision
If dedicated measurement systems are deployed to map the parking lot, then the accuracy of the digital map is improved, but the device complexity and cost increase
Solution Approach 1:
The system applies universality by using the vehicles' existing navigation and sensor systems for dual purposes: both for the vehicle's own navigation and for collecting map data. The same sensors and processors that help the vehicle navigate also contribute to building the digital map, eliminating the need for dedicated measurement equipment.
Solution Approach 2:
The system merges the map creation function with the vehicle's existing navigation system. By combining the vehicles' movement data, sensor readings, and navigation information into a unified map-building process, the system achieves accurate mapping without adding separate measurement systems.
3Productivity
If multiple vehicles are used to collect data for map creation, then the efficiency and speed of map generation is improved, but the data processing complexity increases
Solution Approach 1:
The map server acts as an intermediary that receives data from multiple vehicles, processes and integrates it, and generates the digital map. This centralized intermediary approach allows multiple vehicles to contribute data simultaneously while the server manages the complexity of data fusion, correlation, and validation, thereby scaling efficiently with the number of contributing vehicles.
Data Source
AI summary
A method for operating a vehicle in order to draw up a digital map of a parking lot, the vehicle driving within the parking lot ascertaining data pertaining to its driving route within the parking lot and transmitting the ascertained data via a communications network to a map server, so that the map server is able to draw up a digital map of the parking lot on the basis of the data. A corresponding device is also described. A method for drawing up a digital map of a parking lot, a map server, and a computer program are also described.