Vehicle

The vehicle sensor system employs dual-image sensor cameras with overlapping fields of view to simplify setup, reduce costs, and enhance detection accuracy for objects and lanes, addressing the complexity and limitations of existing systems.

WO2026141092A1PCT designated stage Publication Date: 2026-07-02MITSUBISHI FUSO TRUCK AND BUS CORPORATION +1
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
MITSUBISHI FUSO TRUCK AND BUS CORPORATION
Filing Date
2025-12-17
Publication Date
2026-07-02

AI Technical Summary

Technical Problem

Existing vehicle sensor systems are complicated by the use of multiple sensors, leading to increased costs and system failure rates, limited detection capabilities, and inconsistent detection accuracy, particularly in identifying distant objects and lane changes.

Method used

A vehicle sensor system utilizing a combination of hemispherical wide-angle cameras with dual image sensors for each camera, allowing for simultaneous capture of wide-angle and telephoto images, and positioning cameras to overlap their fields of view for comprehensive monitoring and stereo ranging.

Benefits of technology

The system simplifies the sensor setup, reduces costs, and enhances detection accuracy by enabling simultaneous wide-angle and telephoto imaging, improving object and lane detection, especially at long distances, and reducing system failure rates.

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    Figure JP2025044141_02072026_PF_FP_ABST
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Abstract

In order to further simplify a vehicle sensor system and improve detection accuracy, a vehicle 1 has a first camera 11 and a second camera 12 that: are disposed at the front of the vehicle to be spaced apart from each other by a prescribed distance and in an orientation for imaging the front of the vehicle 1; and each comprise a hemispherical wide-angle lens 111, a first image sensor 113 for acquiring an image that is obtained at a first field angle, and a second image sensor 114 for acquiring an image that is obtained at a second field angle coaxial with the first field angle and narrower than the first field angle, and that has higher resolution. At least the imaging range of the first field angle of the first camera 113 and the imaging range of the first field angle of the second camera 114 overlap each other.
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