Directional Rear Collision Warning Using Targeted Vehicle Alerts
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Solution Overview
Problem
Drivers may be unaware of potential collisions from vehicles behind due to focusing on the road ahead, increasing collision risks.
Innovation Solution
A collision risk warning system for vehicles that includes an image capturing device, processor, and warning device to identify and directionally warn of potential collisions by adjusting a warning device's aim region based on object size, location, and time, using a white-list for familiar vehicles and a black-list for potential threats.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a driver focuses on the road ahead, then driving concentration and forward visibility are improved, but awareness of vehicles behind deteriorates
Solution Approach 1:
The patent introduces an intermediary system consisting of rear-mounted cameras, processors, and warning devices that mediate between the rear traffic environment and the driver. The system captures images of vehicles behind, processes them to identify collision risks, and presents warnings to the driver through intermediaries such as display screens or audio alerts, thereby compensating for the driver's limited rear awareness without requiring the driver to divert attention from the road ahead
Solution Approach 2:
The patent replaces the mechanical/physical limitation of human driver attention and field of view with an electronic information system. Instead of relying on the driver's natural ability to monitor rear traffic, the system uses cameras, image processing algorithms, and electronic warning devices to detect and communicate rear collision risks, substituting electronic sensing and information processing for human sensory and attentional capabilities
2Measurement precision
If general warning devices are used, then all drivers are notified, but relevant information and warning precision deteriorate
Solution Approach 1:
The patent applies local quality by providing targeted, directional warnings to specific drivers based on their individual collision risks rather than issuing uniform warnings to all drivers. The system analyzes the position, size, and movement of each detected vehicle to determine which drivers are at risk, then directs warnings only to those specific drivers through localized display areas or targeted audio alerts, making the warning information both precise and relevant to each driver's situation
Solution Approach 2:
The patent segments the warning system into multiple independent warning regions or channels, each capable of providing targeted information to different drivers. Instead of a single general warning device, the system divides the warning function into multiple segments that can be independently activated based on detected collision risks from different directions and distances, allowing precise targeting of warnings to specific drivers who need them
Data Source
AI summary
A method for directionally warning as to a target object behind a vehicle acquires images of environment surrounding the vehicle. Objects in the environment images are identified and high-risk target object or objects from all the objects is labeled. A relative direction and a relative location of the target object with the transportation are confirmed. A warning device is adjusted based on the relative direction and the relative location. The warning device gives directional warning as to the target object. A collision risk warning system and a transportation applying the method are also disclosed.