Gaze-Driven Blind Spot Imaging for Driver Comfort
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Solution Overview
Problem
Existing driving assistance systems cause discomfort for drivers by displaying duplicate images or failing to provide a clear visual confirmation of the vehicle's surroundings, hindering safe driving.
Innovation Solution
A driving assistance device that includes a gaze detection unit, an imaging selection unit, and a display control unit, which processes and displays images from peripheral imaging units on a transmission-type display fixed at the driver's eyes, matching the outline of the displayed image with the driver's view to enhance visibility of blind spots without discomfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an image captured by the imaging unit is superimposed on an image viewed by the driver through the transmission type HMD, then the driver can visually recognize blind spots, but the driver feels uncomfortable when the same content is displayed twice
Solution Approach 1:
The patent extracts only the necessary visual information from the captured image and displays it selectively in the blind spot region, rather than superimposing the entire captured image. This prevents duplicate content from being displayed while still providing blind spot recognition, thereby resolving the contradiction between safety and driver comfort
Solution Approach 2:
The patent applies local quality enhancement by displaying processed image data specifically in the blind spot region of the driver's field of view, rather than uniformly across the entire view. This localized approach ensures that blind spots are highlighted without creating redundant visual information in areas already visible to the driver, thus maintaining comfort while improving safety
2Loss of information
If a non-transmission type HMD is used to display images, then the driver can see displayed information, but the driver cannot confirm the actual image through the HMD, hindering safety
Solution Approach 1:
The patent uses a transmission type HMD as an intermediary device that allows both the displayed image information and the actual external scene to pass through to the driver's eyes simultaneously. This mediator approach enables the driver to see both the processed blind spot information and the real-world image, ensuring safety by providing complete visual information without blocking the driver's natural view
Data Source
AI summary
A driving assistance device includes a gaze detection unit that detects a gaze of a driver of a vehicle, an imaging selection unit that selects a first imaging unit corresponding to a direction of the gaze from among a plurality of first imaging units that image the periphery of the vehicle, and a display control unit that processes first captured image data obtained by imaging using the selected first imaging unit on the basis of second captured image data obtained by imaging using a second imaging unit that images the front of eyes of the driver and displays an image based on the first captured image data after the processing on a transmission type display unit fixed at the front of the eyes of the driver of the vehicle.