Blind Spot Detection Using Multi-Cycle Moving Object Tracking
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Solution Overview
Problem
Conventional blind spot detection systems sometimes mistakenly identify stationary objects as moving ones, leading to false alerts and potential driver confusion, as they struggle to differentiate between static and dynamic objects with similar velocity and position to reference moving objects.
Innovation Solution
A blind spot detection control apparatus that compares detection parameters of current target objects with those of a reference moving object from previous detection cycles, setting a timer to maintain warnings even if the object exits the detection zone, ensuring continuous alerts for moving objects by retaining the reference moving object for a certain period and updating it if similar objects are detected.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional blind spot detection systems use sensors to detect objects in the blind spot zone, then they can provide drivers with important information about objects in the blind spot area, but they mistakenly identify stationary objects as moving ones, leading to false alerts
Solution Approach 1:
The system performs preliminary classification of detected objects as either stationary or moving before generating alerts. By pre-identifying the motion state of objects in the blind spot zone, the system can distinguish between stationary objects (which should not trigger alerts) and moving objects (which should trigger alerts), thereby eliminating false alerts while maintaining reliable detection
Solution Approach 2:
The system uses feedback from continuous detection cycles to update the state classification of objects. By comparing detection parameters across multiple detection cycles, the system receives feedback about object motion patterns and adjusts its alert generation accordingly, preventing false alerts from stationary objects while maintaining sensitivity to actual moving objects
2Productivity
If the system alerts the driver when an object is detected in the blind spot zone, then it provides timely warning, but the alert is wrongly stopped when the object travels at similar velocity to the ego vehicle and is mistaken for a static object
Solution Approach 1:
The system dynamically adjusts its detection and alert criteria based on the relative velocity between the ego vehicle and detected objects. Instead of using fixed thresholds, the system adapts its sensitivity to motion detection, allowing it to maintain alert accuracy even when objects travel at similar velocities to the ego vehicle by continuously updating its reference frame for motion detection
3Measurement precision
If the system uses detection parameters to identify moving objects, then it can differentiate between static and dynamic objects, but it fails when objects have similar velocity and position characteristics to reference moving objects
Solution Approach 1:
The system transitions from relying solely on velocity and position parameters to incorporating temporal dimension by analyzing detection parameters across multiple detection cycles. By examining how detection parameters evolve over time rather than relying on single-cycle measurements, the system can distinguish between objects with similar instantaneous characteristics by their temporal patterns of motion
Data Source
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AI summary
The invention relates to a blind spot detection control apparatus for a vehicle, comprising judging means for judging whether an object detected during a detection cycle in a blind spot zone of the vehicle is an alert object, and for outputting a result of judgement to warning means which warns a driver of the vehicle that an object is present in the blind spot zone based on the judging means judging that the object detected in the blind spot zone is an alert object, wherein the judging means is configured to judge whether an object detected in the blind spot zone is an alert object by comparing detection parameters relating to a current target object detected in the blind spot zone during a current detection cycle with detection parameters relating to a reference moving object corresponding to a target object detected in the blind spot zone at least during a previous detection cycle. Moreover, the invention relates to a correspond blind spot detection control method.