Vehicle-Mounted Camera Helmet Detection System
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Solution Overview
Problem
Existing systems for monitoring helmet usage on two-wheeler vehicles face challenges due to resource and packaging constraints, making it difficult to provide timely alerts about helmet wear status without modifying existing helmets, which are costly and not compatible with standard safety systems.
Innovation Solution
A system comprising a rider-facing camera, GPS, and a controller that communicates with a human-machine interface (HMI) to detect helmet wear status and provide alerts via visual, auditory, or haptic feedback, without requiring additional sensors on the helmet, using pre-trained models and databases to determine helmet wear and location-specific penalties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If standard automotive safety systems are transferred to PTWs, then safety monitoring capability is improved, but device complexity and packaging constraints are worsened
Solution Approach 1:
The patent extracts the helmet detection function from the vehicle system and implements it through a camera mounted on the vehicle that captures images of the rider's helmet. This separates the detection functionality from any required helmet modifications, reducing overall system complexity while maintaining safety monitoring capability
Solution Approach 2:
The camera system serves multiple functions: it monitors helmet wear status, captures rider images for safety records, and can potentially be used for other rider monitoring purposes. This multi-functionality justifies the added device complexity by providing comprehensive safety monitoring across multiple parameters
2Measurement precision
If additional sensors are added to helmets to monitor wear status, then helmet wear detection accuracy is improved, but manufacturing cost and ease of manufacture are worsened
Solution Approach 1:
Instead of placing sensors in the helmet to detect wear status, the patent inverts the approach by placing a camera on the vehicle that captures images of the helmet. The system then analyzes these images to determine helmet wear status, eliminating the need for expensive sensor integration into helmets while maintaining detection accuracy
Solution Approach 2:
The system creates a visual copy (image) of the helmet through the camera and analyzes this copy to determine wear status. This eliminates the need for physical sensors in the helmet, as the optical copy contains sufficient information for accurate wear detection, significantly reducing manufacturing costs
3Loss of time
If continuous monitoring of rider helmet status is implemented, then safety warning timeliness is improved, but use of energy and resource consumption are worsened
Solution Approach 1:
The system implements periodic monitoring by capturing rider images at regular intervals or at key moments (e.g., when the rider approaches the vehicle, during operation, and when stopping). This periodic approach provides timely safety warnings while significantly reducing energy consumption compared to continuous monitoring, as the camera and processing are activated only at these periodic intervals
Data Source
AI summary
A system for providing a rider of a saddle-ride vehicle, such as a motorcycle, with information about helmet usage is provided. A camera is mounted to the saddle-ride vehicle and faces the rider and monitor a rider of the vehicle and collect rider image data. A GPS system is configured to detect a location of the saddle-ride vehicle. A controller is in communication with the camera and the GPS system. The controller is configured to receive an image of the ruder from the camera, determine if the rider is wearing a helmet based on the rider image data, and output a helmet-worn indicator to the rider, in which the helmet-worn indicator varies based on the determined location of the saddle-ride vehicle.