Optically Active Markers for Vehicle Identification
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Solution Overview
Problem
Vehicles equipped with cameras and sensors face difficulties in reliably identifying surrounding objects, which can impact the decision-making of advanced driver assistance systems, particularly in autonomous vehicles.
Innovation Solution
The implementation of optically active markers on vehicles, which contain machine-readable information, allowing image capture devices to detect and process this information to provide contextual data for advanced driver assistance systems, enhancing identification and decision-making capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If vehicles rely on standard cameras and sensors for environmental monitoring, then the system structure remains simple, but the reliability of object identification deteriorates
Solution Approach 1:
The patent introduces optically active markers as an intermediary element between vehicles and camera systems. These markers serve as a mediator that enhances the detectability and identifiability of vehicles by cameras and sensors, thereby improving identification reliability without fundamentally changing the vehicle or camera systems themselves. The markers act as a bridge that facilitates better interaction between the existing camera infrastructure and the vehicles being monitored.
Solution Approach 2:
The patent applies parameter changes by modifying the optical properties of vehicles through the addition of optically active markers. These markers have specific optical characteristics (such as retroreflective properties, specific wavelengths, or machine-readable patterns) that change how vehicles appear to and interact with camera systems. This parameter modification enables more reliable detection and identification while maintaining the existing camera and sensor infrastructure.
2Measurement precision
If vehicles use markers with predetermined properties to enhance identification, then the machine-readable information detection improves, but the visual appearance of the vehicle may be compromised
Solution Approach 1:
The patent utilizes color changes and optical property variations in the markers to resolve the contradiction between machine-readable detection and visual appearance. The markers are designed with specific optical characteristics (such as retroreflective materials, infrared properties, or machine-readable color patterns) that enable accurate detection by cameras while being visually integrated with the vehicle's existing color scheme and design. This allows the markers to be both functionally effective for machine reading and aesthetically compatible with vehicle appearance.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution improves the reliability and accuracy of vehicle identification by providing clear, machine-readable information to advanced driver assistance systems, thereby increasing confidence in decision-making processes.
Implementation Method 1
a set of optically active markers, each optically active marker on at least a portion of opposing outward surfaces of the first vehicle
Data Source
AI summary
The sensors on a vehicle can have difficulties identifying surrounding objects in the environment. Markers with predetermined properties that match with reading capabilities of the on-vehicle sensors would provide information about the surrounding environment. In particular, adjacent vehicles may have markers with predetermined properties that match with reading capabilities of the vehicle sensors. The sensors would obtain information about the surrounding vehicles on the road, which could be used to provide context for decision making of the advanced driver assistance system.