Vehicle Wireless Pairing via Forward Camera Image Recognition
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Solution Overview
Problem
Existing techniques for establishing a wireless data connection between vehicles are complex and often imprecise, particularly when determining if one vehicle is driving ahead of another, leading to unnecessary data transmission and potential mispairing.
Innovation Solution
A method using a forward camera on the second vehicle to obtain image data of the rear portion of the first vehicle, determining its identification number, and broadcasting a data connection request to establish a wireless connection only when the vehicles are in immediate succession, thereby simplifying and securing the pairing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wireless data connection is established based on signal level, then connection can be made, but pairing criterion is vague and imprecise leading to mispairing
Solution Approach 1:
The patent replaces the signal-level-based pairing mechanism with an image recognition-based mechanism. Instead of relying on vague signal strength measurements, the system uses optical imaging to capture and analyze visual features (license plate, vehicle contours) to determine precise spatial relationships and establish accurate pairing criteria.
Solution Approach 2:
The patent introduces image data as an intermediary between vehicles for establishing connections. The forward camera captures image data of the preceding vehicle, which serves as a mediator to verify spatial relationship and enable precise pairing without direct vehicle-to-vehicle signal exchange.
2Reliability
If complex pairing sequences are used to establish wireless connection, then connection can be made, but data transmission requirement is large and process is complex
Solution Approach 1:
The patent extracts the essential pairing verification function from complex multi-step pairing sequences. By using image recognition to directly determine spatial relationships and vehicle identification, the system eliminates unnecessary intermediate steps and data exchanges required in traditional pairing protocols.
Solution Approach 2:
The system uses the forward camera and image processing capabilities already present in the second vehicle to automatically perform pairing verification. The vehicle's own imaging and processing resources are utilized to establish connections without requiring complex external coordination or additional dedicated pairing hardware.
3Measurement precision
If image recognition is used to determine vehicle identification, then pairing accuracy is improved, but data processing requirement increases
Solution Approach 1:
The patent extracts only the essential identification features from captured images, such as license plate numbers or distinctive vehicle markers, rather than processing entire images. This selective feature extraction reduces computational burden while maintaining high identification accuracy for pairing purposes.
Data Source
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AI summary
A wireless data connection (210) between a first vehicle (201) and a second vehicle (202) is established. The first vehicle (201) drives ahead of the second vehicle (202). A forward camera of the second vehicle (202) obtains image data of a rear portion of the first vehicle (201) and determines an identification number of the first vehicle (201) from the obtained image data. The second vehicle (202) broadcasts a data connection request which indicates at least parts of the determined identification number of the first vehicle (201).