Autonomous Vehicle Stop Position Notification via Image Matching
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Solution Overview
Problem
Conventional self-driving vehicle systems face challenges in accurately stopping at arbitrary locations, especially when the vehicle and user are far apart, due to outdated image data and inappropriate GPS location displays, making it difficult to use existing applications for precise positioning.
Innovation Solution
A self-driving vehicle stop position notification system that includes a management server, user terminal, and self-driving vehicle equipped with a camera and AI function, allowing for pre-registration of a vehicle stop range on a detailed map, with the vehicle capturing images and transmitting them to the server for accurate stop position determination and notification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional GPS function is used to display stop position, then location information can be provided, but the display becomes inappropriate at locations such as high-rise buildings and cannot accurately identify the actual stop position
Solution Approach 1:
The patent introduces image recognition technology as an intermediary between GPS coordinates and actual stop position identification. By capturing images at the stop position and comparing them with pre-registered reference images, the system mediates the gap between approximate GPS location and precise stop position, especially in challenging environments like high-rise buildings where GPS alone fails.
Solution Approach 2:
The patent replaces the purely mechanical/GPS-based location system with an optical/image-based recognition system. Instead of relying solely on satellite positioning, the system uses camera captures and AI image comparison to identify and verify stop positions, substituting the mechanical GPS approach with optical recognition for improved accuracy.
2Measurement precision
If existing application image functions are used to identify stop position, then location can be determined, but the image data is considerably old and collation becomes impossible
Solution Approach 1:
The patent applies preliminary action by pre-registering reference images at various stop positions before actual use. These reference images are stored in a database with their corresponding location information, preparing the system in advance so that when the vehicle stops, the captured image can be immediately compared against the pre-prepared reference data for accurate position identification.
3Adaptability or versatility
If automatic driving stops at predetermined parking spaces, then the vehicle can be parked, but it is difficult to stop at arbitrary places or locations far from the user
Solution Approach 1:
The patent makes the stop position identification system universal by enabling it to work at any location rather than being limited to predetermined parking spaces. The system can identify stop positions at arbitrary places by comparing captured images with pre-registered reference images from various locations, making the vehicle adaptable to diverse stop locations while maintaining precision through AI image recognition.
Data Source
AI summary
Self-driving vehicle stop position notification system, comprising a management server for managing an autonomous driving support application for the self-driving vehicle, and a user terminal; wherein the user terminal instructs the self-driving vehicle to drive to the stop range specified by the vehicle stop range via the management server, and transmits an image captured by the camera when the self-driving vehicle stops in the stop range to the management server, the management server collates video information consisting of the image with the pre-registered video information of the vehicle stop range associated with a location information, determines the stop position based on the result, displays the stop position on a map, and notifies the stop position displayed on the map to the user terminal.