Vehicle Wireless Camera Latency Detection System
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Solution Overview
Problem
Wireless cameras in vehicles often introduce latency, causing delays in image transmission, which can compromise driver safety, especially when reversing or backing up, as the displayed image may not accurately reflect real-time events, potentially leading to safety concerns.
Innovation Solution
A system and method that determine wireless camera latency by measuring the time difference between when a brake light is illuminated by the camera and when it is displayed on the vehicle's screen, using a processor to calculate this delay by identifying key points in time, including when the brake light is powered on, reaches full illumination, and when the image is shown on the display, allowing users to assess whether the latency is within a safe threshold.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless cameras are used to transmit images and video, then ease of installation and flexibility are improved, but latency is introduced causing delay in real-time viewing
Solution Approach 1:
The system measures the actual latency by detecting the time difference between when the brake light is illuminated and when it appears on the display, then uses this feedback to adjust or compensate for the delay, ensuring real-time performance
2Device complexity
If wireless communication protocols are used for camera transmission, then device complexity is reduced, but reliability is compromised due to potential delays
Solution Approach 1:
The system performs preliminary latency measurement and assessment before actual use, allowing users to determine if the wireless camera meets safety requirements for real-time viewing applications
3Reliability
If latency measurement and assessment features are added to the system, then safety and reliability are improved, but device complexity increases
Solution Approach 1:
The system automatically performs latency measurement and assessment without requiring external testing equipment or complex calibration procedures, making the safety verification process self-contained and user-friendly
Data Source
AI summary
Systems, devices, and methods are disclosed for determining a vehicle wireless camera latency. An example vehicle includes a display and a brake light, and a processor. The processor is configured to receive data transmitted by a wireless camera configured to capturing images of the brake light. The processor is further configured to determine a first point in time at which the wireless camera captures the brake light illuminated. The processor is also configured to determine a second point in time at which the display shows the brake light illuminated. And the processor is still further configured to determine a wireless camera latency based on the first and second points in time.