Street Parking Point Detection at Intersection Exits

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Solution Overview

Problem

Existing technologies fail to effectively detect and manage parking-stopping points of vehicles on roads, which can obstruct autonomous driving and hinder safety and convenience, as they primarily focus on stationary obstacles like fallen objects and do not account for dynamically changing parked vehicles.

Innovation Solution

A system utilizing vehicle behavior data and sensing information to detect parking-stopping points on roads, determining their existence, and distributing this information to vehicles, including a determination criterion acquisition unit, parking-stopping point detection unit, and distribution processing unit, which prioritizes exit areas over entrance areas for detection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If existing obstacle detection technologies are used, then stationary obstacles like fallen objects can be detected, but dynamically changing parked vehicles cannot be effectively detected and managed

Engineering Contradiction:
Improvedetection capabilityVSAvoidobstacle detection reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system transitions from static obstacle detection to dynamic detection by continuously monitoring vehicle behavior data (position, speed, acceleration) and sensing information over time. The parking-stopping point detection unit dynamically identifies when a vehicle transitions from moving to parked state, and the existence state determination unit continuously updates whether the parked vehicle still exists, adapting to changing road conditions.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system implements feedback mechanisms where detection results are distributed to vehicles, and the existence state of parked vehicles is continuously re-evaluated based on updated behavior data and sensing information. This closed-loop feedback enables the system to adapt to changes in parked vehicle status and maintain reliable detection.

Inventive Principle:
Principle #23Feedback

2Area of stationary object

If street parking points are detected at both entrance and exit areas of intersections, then comprehensive coverage is achieved, but detection accuracy is reduced due to lower priority given to exit areas

Engineering Contradiction:
Improvedetection coverage areaVSAvoidparking-stopping point detection precision
Core Design Contradiction:
Area of stationary objectVSMeasurement precision

Solution Approach 1:

The system applies different detection priorities to different locations by setting exit areas of intersections as high-priority zones for parking-stopping point detection. When a parked vehicle is detected at an exit area, it is identified with higher precision and priority compared to entrance areas, reflecting the greater safety risk at exit locations where vehicles may suddenly move into traffic.

Inventive Principle:
Principle #3Local quality

3Reliability

If real-time detection and management of parking-stopping points is implemented, then safety and convenience are enhanced, but system complexity increases

Engineering Contradiction:
Improveroad safetyVSAvoiddetection and management system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system achieves real-time detection and management by creating multi-functional components: the determination criterion acquisition unit gathers diverse data types (behavior data, sensing information), the parking-stopping point detection unit identifies parked vehicles, the existence state determination unit monitors their status, and the distribution processing unit communicates information. Each component performs multiple functions that collectively enable comprehensive real-time management without requiring entirely separate systems.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS12387594B2Parking-stopping point management device, parking-stopping point management method, and vehicle device
Publication Date: 2025.08.12 DENSO CORP
  • US12387594B2 patent drawing
  • US12387594B2 patent drawing
  • US12387594B2 patent drawing

AI summary

A parking-stopping point management device includes a determination criterion acquisition unit configured to acquire at least one of vehicle behavior data indicative of a behavior of at least one vehicle and sensing information of a surrounding monitoring sensor mounted in the at least one vehicle in association with position information of the at least one vehicle; a parking-stopping point detection unit configured to detect, as a parking-stopping point, a street parking point which is a point where the parking-stopping vehicle is parked on a normal road; an existence state determination unit configured to determine whether the parking-stopping vehicle still exists at the street parking point detected by the parking-stopping point detection unit based on the information acquired by the determination criterion acquisition unit; and a distribution processing unit configured to distribute information on the street parking point detected by the parking-stopping point detection unit to the at least one vehicle.