Asymmetric Rear-View Display System for Depth Perception

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing outside-vehicle environment monitoring systems using cameras struggle to provide accurate depth perception and direction estimation of moving objects, as single composite display pictures can appear two-dimensional, making it difficult for occupants to gauge distances and object positions relative to the vehicle.

Innovation Solution

The system employs multiple imaging devices capturing images from different rear directions, with a controller processing these images to display them side by side on separate monitors, where the center display is positioned between the right and left displays at varying distances, creating a three-dimensional perception of depth.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If multiple captured images are combined into a single composite display picture, then the overall view behind the vehicle is represented, but depth perception and direction estimation become difficult

Engineering Contradiction:
Improveease of identifying overall viewVSAvoiddepth perception accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent divides the single composite display into multiple separate display regions, each showing a captured image from a different imaging device. The center display shows the center captured image, while right and left displays show right and left captured images respectively. This segmentation allows the occupant to view multiple perspectives simultaneously, improving depth perception and direction estimation while maintaining ease of monitoring the overall environment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent arranges display devices at different visible distances from the occupant, creating a three-dimensional display configuration. The center display is positioned at a different visible distance than the right and left displays, which adds a depth dimension to the visual presentation. This dimensional arrangement helps the occupant perceive depth and spatial relationships more accurately.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Measurement precision

If separate display devices are used for each captured image, then depth perception is improved, but the device complexity increases

Engineering Contradiction:
Improvedepth perception accuracyVSAvoidnumber of display devices
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent combines multiple display devices into an integrated monitoring system that works together to provide enhanced depth perception. The controller coordinates the display of multiple captured images across separate display devices, merging their functions into a unified system. This approach achieves improved depth perception while managing device complexity through coordinated control and integrated system design.

Inventive Principle:
Principle #5Merging (Combining)

3Measurement precision

If the center display is positioned at a different visible distance, then three-dimensional depth perception is achieved, but the arrangement complexity increases

Engineering Contradiction:
Improvedepth perception accuracyVSAvoiddisplay arrangement complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent employs asymmetric arrangement of display devices, with the center display positioned at a different visible distance from the occupant compared to the right and left displays. This asymmetric configuration creates a three-dimensional display effect that enhances depth perception. The asymmetry is deliberately designed to provide spatial cues that help the occupant perceive depth and object positions more accurately.

Inventive Principle:
Principle #4Asymmetry

Data Source

PatentUS20210078497A1Outside-vehicle environment monitoring apparatus
Publication Date: 2021.03.18 SUBARU CORP
  • US20210078497A1 patent drawing
  • US20210078497A1 patent drawing
  • US20210078497A1 patent drawing

AI summary

An outside-vehicle environment monitoring apparatus includes: imaging devices including center, right, and left imaging devices; a controller; and display devices including center, right, and left display devices. The imaging devices respectively capture images of environments present in a center rear direction, a right rear direction, and a left rear direction from the vehicle. The controller acquires captured images and output display images based on the captured images. The display devices are arranged side by side within a visual range of an occupant. The center display device is disposed between the right and left display devices at a visible distance from the occupant different from the visible distance to the right display device and the visible distance to the left display device. The center display image displayed between the right and left display devices is visually perceived as having a depth relative to the right and left display devices.