Electronic Mirror Assist Image Depth Perception
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Solution Overview
Problem
Electronic mirror apparatuses struggle to provide drivers with a clear sense of distance and depth, as they rely on two-dimensional camera images rather than binocular parallax and convergence, making it difficult to navigate and park vehicles effectively.
Innovation Solution
Incorporating an electronic control unit that displays assist images on the vehicle's display devices, such as straight lines representing the vehicle's position and surrounding obstacles, to enhance the driver's perception of distance and depth, particularly when reversing or parking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a camera-based electronic mirror apparatus is used to replace traditional side mirrors, then air resistance is reduced and fuel consumption is improved, but the driver's ability to grasp distance sense and depth sense deteriorates
Solution Approach 1:
The patent overlays virtual images (such as vehicle position indicators, distance markers, and depth reference lines) onto the two-dimensional camera feed to create a multi-layered information display. This adds dimensional context to the flat image, helping drivers perceive distance and depth without requiring traditional optical mirrors.
Solution Approach 2:
The system introduces computational processing and graphical overlays as intermediaries between the camera and the driver's perception. These virtual elements act as mediators that translate raw camera data into comprehensible spatial information, compensating for the loss of natural depth cues.
2Device complexity
If a two-dimensional camera image is displayed to the driver, then the device complexity is reduced compared to optical mirrors, but the ease of operation for parking and close-range maneuvers deteriorates
Solution Approach 1:
The patent employs color-coded visual indicators to convey different spatial relationships and distance information. For example, different colors may represent different distance zones or depth levels, making it easier for drivers to quickly assess spatial conditions during parking and close-range operations.
Solution Approach 2:
The display is segmented into multiple information layers, including the camera feed, virtual vehicle position indicators, distance markers, and depth reference lines. This segmentation organizes complex spatial information into discrete, easily interpretable elements that guide driver operations.
Data Source
AI summary
An electronic mirror apparatus includes: a camera provided on a lateral surface of a vehicle, the camera being configured to pick up an image of a predetermined pickup range in a vehicle lateral direction and in a vehicle rearward direction; a display device disposed at such a position that a driver visually recognizes the display device; and an electronic control unit configured to perform a process for displaying the image picked up by the camera, on the display device, the electronic control unit being configured to display, on the image, an assist image expressing at least one of an outer part of a region where the vehicle occupies a road surface in planar view of the vehicle and an outside position a predetermined distance away from the outer part of the region where the vehicle occupies the road surface in planar view of the vehicle.