Dual-Function Cabin Camera for Driver Attention and Video Calls
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Solution Overview
Problem
There is a growing concern with drivers relying excessively on Advanced Driver Assistance Systems (ADAS) leading to distracted driving, as they may take their hands off the wheel or leave the driver seat, resulting in fatal crashes, necessitating effective cabin or driver monitoring systems to ensure driver attentiveness and safety, especially in autonomous vehicles.
Innovation Solution
A driver monitoring system utilizing one or more CMOS cameras to capture and process image data for monitoring driver behavior, integrated with an electronic control unit (ECU) that provides video and audio outputs for video conferencing, enabling real-time communication and surveillance, while also detecting driver attentiveness and drowsiness, and interacting with autonomous driving systems to ensure safe handover of control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a driver monitoring system is implemented to ensure driver attentiveness, then driver safety is improved, but device complexity increases
Solution Approach 1:
The driver monitoring camera system is designed to perform multiple functions: it monitors driver attentiveness for safety purposes, captures video feeds for video calling applications, and provides visual records for incident analysis. By making the camera system universal, the patent reduces the need for separate dedicated systems, thereby managing device complexity while maintaining high driver safety standards
2Measurement precision
If multiple cameras are installed for comprehensive monitoring, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent utilizes existing multi-functional camera systems that can capture comprehensive driver behavior data through intelligent image processing algorithms. The system achieves high measurement precision by analyzing various aspects of driver behavior (eye position, head orientation, facial expressions) using advanced software rather than simply adding more physical cameras, thus avoiding excessive device complexity
3Adaptability or versatility
If video calling functionality is integrated into the driver monitoring system, then adaptability is improved, but device complexity increases
Solution Approach 1:
The camera system is designed to serve dual purposes: traditional driver monitoring for safety and video calling for communication needs. The system includes processing capabilities that can handle both driver behavior analysis and video communication encoding, along with communication interfaces that support both safety alert functions and video call connectivity, thereby achieving high adaptability without requiring entirely separate systems
4Speed
If real-time image processing is performed for driver monitoring, then response time is improved, but energy consumption increases
Solution Approach 1:
The system implements selective real-time processing by prioritizing analysis of critical driver behaviors (such as eye closure detection for drowsiness monitoring) while using less intensive processing for other monitoring aspects. This partial action approach ensures rapid response to safety-critical events while managing overall energy consumption of the processing system
Data Source
AI summary
A vehicular driver monitoring system includes a camera disposed at a vehicle and viewing at least a head region of a driver of the vehicle. Image data captured by the camera is provided to an electronic control unit (ECU) and is processed at the ECU for determining attentiveness of the driver. The vehicular driver monitoring system, responsive to selection by the driver of a video-conference function, initiates a video conference telecommunication whereby video image data derived from the provided captured image data is wirelessly communicated to an external receiver that is located remote from the vehicle for viewing by another person communicating with the driver of the vehicle via the external receiver. Communication data generated at the external receiver is wirelessly communicated to the vehicular driver monitoring system.