Driver Gaze-Based Exit Assist for Parking Space Departure
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Solution Overview
Problem
Existing parking assist devices do not alleviate the burden on drivers when a vehicle is exiting a parking space, as they do not consider the driver's line of sight during the exit process.
Innovation Solution
An exit assist device that estimates the driver's line of sight using a monitoring camera and decides on an exiting direction based on this sight, considering the vehicle's surrounding environment to assist in exiting the parking space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the driver manually operates the vehicle to exit the parking space, then the driver can control the exiting direction, but the driver's operational burden increases
Solution Approach 1:
The system uses the driver's own line of sight as the input signal to automatically determine the exiting direction. The monitoring camera captures the driver's gaze direction, and the processor automatically translates this into vehicle exit direction, making the system self-serve the driver's intent without requiring manual input operations.
Solution Approach 2:
The patent replaces manual mechanical steering operations with an automated vision-based control system. The monitoring camera and processor substitute for the driver's manual steering wheel operations, automatically controlling the vehicle's exit direction based on captured line of sight data.
2Ease of operation
If the parking assist device uses line of sight recognition for parking, then the driver can notify the desired parking space without specific operations, but the device complexity increases
Solution Approach 1:
The monitoring camera and line of sight processing system serves dual purposes: it identifies the desired parking space during parking operations and determines the exiting direction during exit operations. This multi-functional use of the same hardware and processing algorithms reduces the need for separate specialized systems.
Solution Approach 2:
The system uses the same line of sight detection methodology for both parking and exiting operations. The monitoring camera captures the driver's gaze direction, and the processor applies similar image processing and direction calculation algorithms for both parking space selection and exit direction determination, creating a reusable detection model.
Data Source
AI summary
An exit assist device has a processor configured to estimate a direction of a line of sight of a driver based on an image in which the vicinity of the driving seat is represented, and to decide on an exiting direction in which the vehicle is to exit from a parking space, based on the direction of the line of sight of the driver.